TWI804892B

TWI804892B - Optical imaging lens, imaging device and electronic device

Info

Publication number: TWI804892B
Application number: TW110122119A
Authority: TW
Inventors: 李旭昇; 許智程
Original assignee: 紘立光電股份有限公司
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2023-06-11
Also published as: TW202300977A

Abstract

An optical imaging lens includes, from an object side to an image side, a first lens having negative refractive power and including an object-side surface being convex and an image-side surface being concave, a second lens having negative refractive power and including an object-side being convex and an image-side surface being concave, a third lens having negative refractive power and including an object-side surface being concave and an image-side surface being convex, an aperture, a fourth lens having positive refractive power and including an object-side surface being convex and an image-side surface being convex, a fifth lens having positive refractive power and including an object-side surface being convex and an image-side surface being convex, a sixth lens having negative refractive power and including an object-side surface being concave and an image-side surface being concave, and a seventh lens having positive refractive power and including an object-side surface being convex and an image-side surface being convex. The optical imaging lens includes a total of seven elements. When specific conditions are satisfied, the optical imaging lens could have a compact size, wide angle of view and good imaging qualities.

Description

光學攝像透鏡組、成像裝置及電子裝置Optical camera lens group, imaging device and electronic device

本發明係有關於一種光學攝像透鏡組及成像裝置，特別是有關適用於車用攝影電子裝置或監控攝影系統之光學攝像透鏡組、成像裝置及電子裝置。The present invention relates to an optical imaging lens group and an imaging device, in particular to an optical imaging lens group, an imaging device and an electronic device suitable for a vehicle photographing electronic device or a surveillance camera system.

隨著半導體製程技術不斷地精進，使得影像感測元件的畫素可以達到更微小的尺寸，性能顯著地提升，因此，具備高成像品質的光學鏡頭已成為電子攝像裝置中不可或缺的一環。As the semiconductor process technology continues to improve, the pixel size of the image sensing element can reach a smaller size, and the performance is significantly improved. Therefore, the optical lens with high imaging quality has become an indispensable part of the electronic camera device.

而隨著電子攝像裝置的多元化發展，其應用範圍愈加地廣泛，例如先進駕駛輔助系統(ADAS)、行車記錄器、家用監控攝影設備、智慧型手機及人機互動裝置等，光學鏡頭的設計要求也更加地多樣化。就車用攝影裝置而言，為了清楚地辨識車輛四周的障礙物或二側的來車，需要提高光學鏡頭的解析度及明亮度，同時要求對環境溫度具有高度適應性。此外，為了良好地修正各種像差，特別是在量測距離或者物體辨識的用途，若在拍攝的影像中存在較大畸變像差時，計算距離或影像辨識時將容易產生誤差。With the diversified development of electronic camera devices, their application scope is becoming more and more extensive, such as advanced driver assistance systems (ADAS), driving recorders, home surveillance camera equipment, smart phones and human-computer interaction devices, etc., the design of optical lenses Requirements are also more diverse. As far as the vehicle camera is concerned, in order to clearly identify obstacles around the vehicle or approaching vehicles on both sides, it is necessary to improve the resolution and brightness of the optical lens, and at the same time require a high degree of adaptability to the ambient temperature. In addition, in order to properly correct various aberrations, especially for distance measurement or object recognition purposes, if there is a large distortion aberration in the captured image, errors will easily occur when calculating distance or image recognition.

是以，如何提供一種廣視角且具有良好成像品質的小型光學鏡頭已成為此技術領域之人士亟欲解決之問題。Therefore, how to provide a small optical lens with a wide viewing angle and good imaging quality has become a problem that people in this technical field want to solve urgently.

是以，為解決上述問題，本發明提供一種光學攝像透鏡組，由物側至像側依序包含第一透鏡、第二透鏡、第三透鏡、光圈、第四透鏡、第五透鏡、第六透鏡及第七透鏡。其中，第一透鏡具有負屈折力，其物側面為凸面、像側面為凹面；第二透鏡具有負屈折力，其物側面為凸面、像側面為凹面；第三透鏡具有負屈折力，其物側面為凹面、像側面為凸面；第四透鏡具有正屈折力，其物側面為凸面、像側面為凸面；第五透鏡具有正屈折力，其物側面為凸面、像側面為凸面；第六透鏡具有負屈折力，其物側面為凹面、像側面為凹面；第七透鏡具有正屈折力，其物側面為凸面、像側面為凸面；其中，所述光學攝像透鏡組之透鏡總數為七片；所述第三透鏡之焦距為f3，整體光學攝像透鏡組之有效焦距為EFL，係滿足以下關係式：-10＜f3/EFL＜ -2。Therefore, in order to solve the above problems, the present invention provides an optical imaging lens group, which includes a first lens, a second lens, a third lens, a diaphragm, a fourth lens, a fifth lens, and a sixth lens in sequence from the object side to the image side. lens and the seventh lens. Among them, the first lens has negative refractive power, its object side is convex, and its image side is concave; the second lens has negative refractive power, its object side is convex, and its image side is concave; the third lens has negative refractive power, its object The side is concave, and the image side is convex; the fourth lens has positive refraction power, its object side is convex, and the image side is convex; the fifth lens has positive refraction, its object side is convex, and the image side is convex; the sixth lens It has negative refractive power, its object side is concave, and its image side is concave; the seventh lens has positive refractive power, its object side is convex, and its image side is convex; wherein, the total number of lenses in the optical imaging lens group is seven; The focal length of the third lens is f3, and the effective focal length of the overall optical imaging lens group is EFL, which satisfies the following relationship: -10<f3/EFL<-2.

根據本發明之一實施例，所述第二透鏡在光軸上之厚度為CT2，第三透鏡在光軸上之厚度為CT3，係滿足以下關係式：0.6＜CT3/CT2＜2.6。According to an embodiment of the present invention, the thickness of the second lens on the optical axis is CT2, and the thickness of the third lens on the optical axis is CT3, which satisfy the following relationship: 0.6<CT3/CT2<2.6.

較佳地，根據本發明之一實施例，所述第三透鏡與第四透鏡的組合焦距為f34，整體光學攝像透鏡組之有效焦距為EFL，係滿足以下關係式：3＜f34/EFL＜ 7。Preferably, according to an embodiment of the present invention, the combined focal length of the third lens and the fourth lens is f34, and the effective focal length of the overall optical imaging lens group is EFL, which satisfies the following relationship: 3<f34/EFL< 7.

本發明又提供一種光學攝像透鏡組，由物側至像側依序包含第一透鏡、第二透鏡、第三透鏡、光圈、第四透鏡、第五透鏡、第六透鏡及第七透鏡。其中，第一透鏡具有負屈折力，其物側面為凸面、像側面為凹面；第二透鏡具有負屈折力，其物側面為凸面、像側面為凹面；第三透鏡具有負屈折力，其物側面為凹面、像側面為凸面；第四透鏡具有正屈折力，其物側面為凸面、像側面為凸面；第五透鏡具有正屈折力，其物側面為凸面、像側面為凸面；第六透鏡具有負屈折力，其物側面為凹面、像側面為凹面；第七透鏡具有正屈折力，其物側面為凸面、像側面為凸面；其中，所述光學攝像透鏡組之透鏡總數為七片；所述第三透鏡與第四透鏡的組合焦距為f34，整體光學攝像透鏡組之有效焦距為EFL，係滿足以下關係式：3＜f34/EFL＜ 7。The present invention further provides an optical imaging lens group, which sequentially includes a first lens, a second lens, a third lens, a diaphragm, a fourth lens, a fifth lens, a sixth lens and a seventh lens from the object side to the image side. Among them, the first lens has negative refractive power, its object side is convex, and its image side is concave; the second lens has negative refractive power, its object side is convex, and its image side is concave; the third lens has negative refractive power, its object The side is concave, and the image side is convex; the fourth lens has positive refraction power, its object side is convex, and the image side is convex; the fifth lens has positive refraction, its object side is convex, and the image side is convex; the sixth lens It has negative refractive power, its object side is concave, and its image side is concave; the seventh lens has positive refractive power, its object side is convex, and its image side is convex; wherein, the total number of lenses in the optical imaging lens group is seven; The combined focal length of the third lens and the fourth lens is f34, and the effective focal length of the overall optical imaging lens group is EFL, which satisfies the following relationship: 3<f34/EFL<7.

較佳地，根據本發明之一實施例，所述第二透鏡在光軸上之厚度為CT2，第三透鏡在光軸上之厚度為CT3，係滿足以下關係式：0.6＜CT3/CT2＜2.6。Preferably, according to an embodiment of the present invention, the thickness of the second lens on the optical axis is CT2, and the thickness of the third lens on the optical axis is CT3, which satisfy the following relationship: 0.6<CT3/CT2< 2.6.

根據本發明之一實施例，所述第一透鏡的焦距為f1，第二透鏡之焦距為f2，係滿足以下關係式：1＜f2/f1＜4。According to an embodiment of the present invention, the focal length of the first lens is f1, and the focal length of the second lens is f2, which satisfy the following relationship: 1<f2/f1<4.

根據本發明之一實施例，所述第五透鏡與第六透鏡之組合焦距為f56，其與整體光學攝像透鏡組之有效焦距EFL之間，係滿足以下關係式：2＜f56/EFL＜ 6.5。According to an embodiment of the present invention, the combined focal length of the fifth lens and the sixth lens is f56, which satisfies the following relationship with the effective focal length EFL of the overall optical imaging lens group: 2<f56/EFL<6.5 .

根據本發明之一實施例，所述第六透鏡像側面之曲率半徑為R12，第七透鏡物側面之曲率半徑為R13，係滿足以下關係式：0.4＜R12/R13＜1.4。According to an embodiment of the present invention, the radius of curvature of the image side of the sixth lens is R12, and the radius of curvature of the object side of the seventh lens is R13, which satisfy the following relationship: 0.4<R12/R13<1.4.

根據本發明之一實施例，所述第五透鏡之焦距為f5，其與整體光學攝像透鏡組之有效焦距EFL之間，係滿足以下關係式：0.9＜f5/EFL＜1.8。According to an embodiment of the present invention, the focal length of the fifth lens is f5, which satisfies the following relationship with the effective focal length EFL of the overall optical imaging lens group: 0.9<f5/EFL<1.8.

根據本發明之一實施例，所述第七透鏡之焦距為f7，其與整體光學攝像透鏡組之有效焦距EFL之間，係滿足以下關係式：1.5＜f7/EFL＜2.3。According to an embodiment of the present invention, the focal length of the seventh lens is f7, and the effective focal length EFL of the overall optical imaging lens group satisfies the following relationship: 1.5<f7/EFL<2.3.

根據本發明之一實施例，所述第四透鏡物側面之曲率半徑為R7、像側面之曲率半徑為R8，係滿足以下關係式：-0.9＜

＜0.6。 According to an embodiment of the present invention, the radius of curvature of the object side of the fourth lens is R7, and the radius of curvature of the image side is R8, which satisfy the following relationship: -0.9<

<0.6.

根據本發明之一實施例，所述第一透鏡、第二透鏡、第三透鏡及第四透鏡之組合焦距為負值。According to an embodiment of the present invention, the combined focal length of the first lens, the second lens, the third lens and the fourth lens is a negative value.

根據本發明之一實施例，所述第一透鏡、第二透鏡及第三透鏡之組合焦距為f123，其與整體光學攝像透鏡組之有效焦距EFL之間，係滿足以下關係式：-1.3＜f123/EFL＜ -0.6。According to an embodiment of the present invention, the combined focal length of the first lens, the second lens and the third lens is f123, and the effective focal length EFL of the overall optical imaging lens group satisfies the following relationship: -1.3< f123/EFL<-0.6.

根據本發明之一實施例，所述第二透鏡物側面之曲率半徑為R3、像側面之曲率半徑為R4，係滿足以下關係式：1.4＜R3/R4＜2.3。According to an embodiment of the present invention, the radius of curvature of the object side of the second lens is R3, and the radius of curvature of the image side is R4, which satisfy the following relationship: 1.4<R3/R4<2.3.

根據本發明之一實施例，所述第四透鏡之焦距為f4，其與整體光學攝像透鏡組的有效焦距EFL之間，係滿足以下關係式：1.6＜f4/EFL＜3.3。According to an embodiment of the present invention, the focal length of the fourth lens is f4, which satisfies the following relationship with the effective focal length EFL of the overall optical imaging lens group: 1.6<f4/EFL<3.3.

根據本發明之一實施例，所述第二透鏡像側面至第三透鏡物側面在光軸上之距離為AT23，所述第一透鏡物側面至光學攝像透鏡組成像面在光軸上之距離為TTL，係滿足以下關係式：5＜TTL/AT23＜14。According to one embodiment of the present invention, the distance on the optical axis from the image side of the second lens to the object side of the third lens is AT23, and the distance on the optical axis from the object side of the first lens to the image surface of the optical imaging lens For TTL, the following relationship is satisfied: 5<TTL/AT23<14.

本發明進一步提供一種成像裝置，其包含如前述之光學攝像透鏡組，及一影像感測元件，其中，所述影像感測元件係設置於所述光學攝像透鏡組之成像面。The present invention further provides an imaging device, which includes the aforementioned optical imaging lens group, and an image sensing element, wherein the image sensing element is arranged on the imaging surface of the optical imaging lens group.

本發明更提供一種電子裝置，其包含如前述之成像裝置。The present invention further provides an electronic device, which includes the aforementioned imaging device.

在以下實施例中，光學攝像透鏡組之各透鏡可為玻璃或塑膠材質，而不以實施例所列舉之材質為限。當透鏡材質為玻璃時，透鏡表面可透過研磨方式或模造的方式進行加工；此外，由於玻璃材質本身耐溫度變化及高硬度特性，可以減輕環境變化對光學攝像透鏡組的影響，進而延長光學攝像透鏡組的使用壽命。當透鏡材質為塑膠時，則有利於減輕光學攝像透鏡組的重量，及降低生產成本。In the following embodiments, each lens of the optical imaging lens group can be made of glass or plastic, and is not limited to the materials listed in the embodiments. When the lens material is glass, the lens surface can be processed by grinding or molding; in addition, because the glass material itself is resistant to temperature changes and high hardness, it can reduce the impact of environmental changes on the optical camera lens group, thereby prolonging the optical camera. The service life of the lens group. When the lens material is plastic, it is beneficial to reduce the weight of the optical camera lens group and reduce the production cost.

在本發明之實施例中，每一個透鏡皆包含朝向被攝物之一物側面，及朝向成像面之一像側面。每一個透鏡的表面形狀係依據所述表面靠近光軸區域（近軸處）的形狀加以定義，例如描述一個透鏡之物側面為凸面時，係表示該透鏡在靠近光軸區域的物側面為凸面，亦即，雖然在實施例中描述該透鏡表面為凸面，而該表面在遠離光軸區域（離軸處）可能是凸面或凹面。每一個透鏡近軸處的形狀係以該面之曲率半徑為正值或負值加以判斷，例如，若一個透鏡之物側面曲率半徑為正值時，則該物側面為凸面；反之，若其曲率半徑為負值，則該物側面為凹面。就一個透鏡之像側面而言，若其曲率半徑為正值，則該像側面為凹面；反之，若其曲率半徑為負值，則該像側面為凸面。In an embodiment of the present invention, each lens includes an object side facing the subject and an image side facing the imaging plane. The surface shape of each lens is defined according to the shape of the surface near the optical axis (paraxial). For example, when describing the object side of a lens as a convex surface, it means that the object side of the lens near the optical axis is convex. , that is, although the lens surface is described as convex in the embodiments, the surface may be convex or concave in a region away from the optical axis (off-axis). The shape of each lens near the axis is judged by the positive or negative value of the radius of curvature of the surface. For example, if the radius of curvature of the object side of a lens is positive, then the object side is convex; otherwise, if the other If the radius of curvature is negative, the side of the object is concave. As far as the image side of a lens is concerned, if the radius of curvature is positive, the image side is concave; on the contrary, if the radius of curvature is negative, the image side is convex.

在本發明之實施例中，每一透鏡的物側面及像側面可以是球面或非球面表面。在透鏡上使用非球面表面有助於修正如球面像差等光學攝像透鏡組的成像像差，減少光學透鏡元件的使用數量。然而，使用非球面透鏡會使整體光學攝像透鏡組的成本提高。雖然在本發明之實施例中，有些光學透鏡的表面係使用球面表面，但仍可以視需要將其設計為非球面表面；或者，有些光學透鏡的表面係使用非球面表面，但仍可以視需要將其設計為球面表面。In an embodiment of the present invention, the object side and the image side of each lens may be spherical or aspheric surfaces. Using an aspheric surface on the lens helps to correct imaging aberrations of the optical camera lens group such as spherical aberration, and reduces the number of optical lens elements used. However, the use of aspheric lenses will increase the cost of the overall optical camera lens assembly. Although in the embodiments of the present invention, some optical lenses use spherical surfaces, they can still be designed as aspheric surfaces as required; or, some optical lenses use aspheric surfaces, but they can still be designed as aspheric surfaces as required. Design it as a spherical surface.

在本發明之實施例中，光學攝像透鏡組之總長TTL（Total Track Length）定義為此光學攝像透鏡組之第一透鏡的物側面至成像面在光軸上之距離。此光學攝像透鏡組之成像高度稱為最大像高ImgH（Image Height）；當成像面上設置一影像感測元件時，最大像高ImgH代表影像感測元件的有效感測區域對角線長度之一半。在以下實施例中，所有透鏡的曲率半徑、透鏡厚度、透鏡之間的距離、透鏡組總長TTL、最大像高ImgH和焦距（Focal Length）的單位皆以公厘（mm）加以表示。In an embodiment of the present invention, the total track length (TTL) of the optical imaging lens group is defined as the distance on the optical axis from the object side to the imaging plane of the first lens of the optical imaging lens group. The imaging height of this optical camera lens group is called the maximum image height ImgH (Image Height); when an image sensing element is set on the imaging surface, the maximum image height ImgH represents the length of the diagonal line of the effective sensing area of the image sensing element half. In the following embodiments, the units of the radius of curvature, lens thickness, distance between lenses, total lens group length TTL, maximum image height ImgH, and focal length (Focal Length) of all lenses are expressed in millimeters (mm).

本發明提供一種光學攝像透鏡組，由物側至像側依序包含第一透鏡、第二透鏡、第三透鏡、光圈、第四透鏡、第五透鏡、第六透鏡及第七透鏡。其中，第一透鏡，具有負屈折力，其物側面為凸面、像側面為凹面；第二透鏡，具有負屈折力，其物側面為凸面、像側面為凹面；第三透鏡，具有負屈折力，其物側面為凹面、像側面為凸面；第四透鏡，具有正屈折力，其物側面為凸面、像側面為凸面；第五透鏡，具有正屈折力，其物側面為凸面、像側面為凸面；第六透鏡，具有負屈折力，其物側面為凹面、像側面為凹面；第七透鏡，具有正屈折力，其物側面為凸面、像側面為凸面；所述光學攝像透鏡組之透鏡總數為七片。The invention provides an optical imaging lens group, which sequentially includes a first lens, a second lens, a third lens, a diaphragm, a fourth lens, a fifth lens, a sixth lens and a seventh lens from the object side to the image side. Among them, the first lens has negative refractive power, its object side is convex, and the image side is concave; the second lens has negative refractive power, its object side is convex, and its image side is concave; the third lens has negative refractive power , the object side is concave and the image side is convex; the fourth lens has positive refraction power, its object side is convex and the image side is convex; the fifth lens has positive refraction power, its object side is convex and the image side is Convex; the sixth lens has negative refractive power, its object side is concave, and its image side is concave; the seventh lens has positive refractive power, its object side is convex, and its image side is convex; the lens of the optical imaging lens group The total is seven slices.

第一透鏡具有負屈折力，其物側面為凸面、像側面為凹面，有助於接收大角度的入射光線，擴大光學攝像透鏡組的收光範圍。The first lens has a negative refractive power, and its object side is convex and its image side is concave, which helps to receive incident light at a large angle and expands the light collection range of the optical camera lens group.

第二透鏡具有負屈折力，其物側面為凸面、像側面為凹面，有利於調整入射光線的傳遞路徑，縮小像差，且藉由連續設置二片負透鏡於光學攝像透鏡組的前端，可以使所述光學攝像透鏡組具有適當之後焦距長度，避免後焦距過長、造成整體光學攝像透鏡組的總長度增加，不利於小型化。The second lens has a negative refractive power, its object side is convex, and its image side is concave, which is beneficial to adjust the transmission path of incident light and reduce aberrations, and by continuously arranging two negative lenses at the front end of the optical camera lens group, it can The optical imaging lens group has an appropriate back focal length, so as to avoid excessively long back focal length, resulting in an increase in the total length of the entire optical imaging lens group, which is not conducive to miniaturization.

第三透鏡亦具有負屈折力，其物側面為凹面、像側面為凸面。藉由第二透鏡之凹面像側面與第三透鏡的凹面物側面相對應設置，可以進一步調整光線的行進方向，有利於降低成像像差。The third lens also has negative refractive power, the object side is concave, and the image side is convex. Since the concave image side of the second lens is arranged corresponding to the concave object side of the third lens, the traveling direction of light can be further adjusted, which is beneficial to reduce imaging aberration.

第四透鏡具有正屈折力，其物側面為凸面、像側面為凸面。藉由在第三透鏡之後設置具有正屈折力之第四透鏡，有助於修正光學攝像透鏡組的場曲像差及球面像差。The fourth lens has positive refractive power, its object side is convex, and its image side is convex. By arranging the fourth lens with positive refractive power after the third lens, it is helpful to correct the field curvature aberration and spherical aberration of the optical camera lens group.

第五透鏡具有正屈折力，其物側面為凸面、像側面為凸面。第五透鏡提供此光學攝像透鏡組的主要正屈折力，具有匯聚光線、調整光路的作用。The fifth lens has positive refractive power, its object side is convex, and its image side is convex. The fifth lens provides the main positive refractive power of the optical camera lens group, and has the functions of converging light and adjusting the light path.

第六透鏡具有負屈折力，其物側面為凹面、像側面為凹面。第七透鏡具有正屈折力，其物側面為凸面、像側面為凸面。藉由第五透鏡、第六透鏡及第七透鏡分別具有正、負、正屈折力之配置方式，可以有效地修正成像像差。The sixth lens has negative refractive power, its object side is concave, and its image side is concave. The seventh lens has positive refractive power, its object side is convex, and its image side is convex. The imaging aberration can be effectively corrected by the arrangement of the fifth lens, the sixth lens and the seventh lens having positive, negative and positive refractive powers respectively.

所述第三透鏡之焦距為f3，整體光學攝像透鏡組之有效焦距為EFL，係滿足以下關係式：The focal length of the third lens is f3, and the effective focal length of the overall optical camera lens group is EFL, which satisfies the following relationship:

-10＜f3/EFL＜ -2；（1）-10<f3/EFL<-2; (1)

藉由滿足關係式（1）的條件，可以使第三透鏡具有適當之負屈折力。若f3/EFL低於關係式（1）的下限值，則第三透鏡的屈折力過低，易縮短光學攝像透鏡組之後焦距；若f3/EFL高於關係式（1）的上限值，則第三透鏡的屈折力過高，不利於將光學攝像透鏡組前端之負屈折力平衡地分配至第一透鏡、第二透鏡及第三透鏡。By satisfying the condition of the relational expression (1), the third lens can have an appropriate negative refractive power. If f3/EFL is lower than the lower limit of relational expression (1), the refractive power of the third lens is too low, and it is easy to shorten the focal length behind the optical camera lens group; if f3/EFL is higher than the upper limit of relational expression (1) , the refractive power of the third lens is too high, which is not conducive to the balanced distribution of the negative refractive power at the front end of the optical imaging lens group to the first lens, the second lens and the third lens.

較佳地，所述第二透鏡在光軸上之厚度為CT2，第三透鏡在光軸上之厚度為CT3，係滿足以下關係式：Preferably, the thickness of the second lens on the optical axis is CT2, and the thickness of the third lens on the optical axis is CT3, which satisfy the following relationship:

0.6＜CT3/CT2＜2.6；（2）0.6<CT3/CT2<2.6; (2)

藉由滿足關係式（2）的條件，可以將第二透鏡及第三透鏡二者之厚度控制在適當之比例。By satisfying the condition of relational expression (2), the thicknesses of the second lens and the third lens can be controlled at an appropriate ratio.

所述第三透鏡與該第四透鏡的組合焦距為f34，整體光學攝像透鏡組之有效焦距為EFL，係滿足以下關係式：The combined focal length of the third lens and the fourth lens is f34, and the effective focal length of the overall optical imaging lens group is EFL, which satisfies the following relationship:

3＜f34/EFL＜ 7；（3）3<f34/EFL<7; (3)

藉由滿足關係式（3）的條件，可以使第三透鏡及第四透鏡之組合具有適當之正屈折力，有利於引導光線行進方向，使光線傳遞路徑更接近光軸，以降低成像像差。By satisfying the conditions of relation (3), the combination of the third lens and the fourth lens can have an appropriate positive refractive power, which is conducive to guiding the direction of light, making the light transmission path closer to the optical axis, and reducing imaging aberrations .

所述第一透鏡的焦距為f1，第二透鏡之焦距為f2，係滿足以下關係式：The focal length of the first lens is f1, and the focal length of the second lens is f2, which satisfy the following relationship:

1＜f2/f1＜4；（4）1<f2/f1<4; (4)

藉由滿足關係式（4）的條件，可以控制第一透鏡與第二透鏡之間屈折力的比例，使第一透鏡的負屈折力大於第二透鏡之負屈折力，有利於擴大光學攝像透鏡組的收光範圍。By satisfying the condition of relation (4), the ratio of the refractive power between the first lens and the second lens can be controlled, so that the negative refractive power of the first lens is greater than the negative refractive power of the second lens, which is conducive to expanding the optical imaging lens The receiving range of the group.

所述第五透鏡與第六透鏡之組合焦距為f56，其與整體光學攝像透鏡組之有效焦距EFL之間，係滿足以下關係式：The combined focal length of the fifth lens and the sixth lens is f56, which satisfies the following relationship with the effective focal length EFL of the overall optical imaging lens group:

2＜f56/EFL＜ 6.5；（5）2<f56/EFL<6.5; (5)

藉由滿足關係式（5）的條件，可以使第五透鏡及第六透鏡之組合焦距與整體光學攝像透鏡組的有效焦距EFL之間維持在適當之比例，有利於降低光學攝像透鏡組的色像差。By satisfying the condition of relation (5), the combined focal length of the fifth lens and the sixth lens can be maintained at an appropriate ratio to the effective focal length EFL of the overall optical imaging lens group, which is beneficial to reduce the chromatic aberration of the optical imaging lens group. aberrations.

所述第六透鏡像側面之曲率半徑為R12，第七透鏡物側面之曲率半徑為R13，係滿足以下關係式：The radius of curvature of the image side of the sixth lens is R12, and the radius of curvature of the object side of the seventh lens is R13, which satisfy the following relationship:

0.4＜R12/R13＜1.4；（6）0.4<R12/R13<1.4; (6)

藉由滿足關係式（6）的條件，可以使第六透鏡像側面與第七透鏡物側面為凹、凸相對，且可控制第六透鏡像側面與第七透鏡物側面的曲率半徑之間維持適當之比例，有助於降低場曲像差。By satisfying the condition of relation (6), the image side of the sixth lens and the object side of the seventh lens can be concave and convex, and the radius of curvature between the image side of the sixth lens and the object side of the seventh lens can be controlled to maintain Appropriate ratio helps to reduce field curvature aberration.

所述第五透鏡之焦距為f5，其與整體光學攝像透鏡組之有效焦距EFL之間，係滿足以下關係式：The focal length of the fifth lens is f5, which satisfies the following relationship with the effective focal length EFL of the overall optical imaging lens group:

0.9＜f5/EFL＜1.8；（7）0.9<f5/EFL<1.8; (7)

藉由滿足關係式（7）的條件，可以控制第五透鏡的焦距與整體光學攝像透鏡組的有效焦距EFL間之比例維持在適當之範圍，有利於縮小光學攝像透鏡組的體積，同時保有良好的光學性能。By satisfying the condition of relational expression (7), the ratio between the focal length of the fifth lens and the effective focal length EFL of the overall optical imaging lens group can be controlled and maintained in an appropriate range, which is conducive to reducing the volume of the optical imaging lens group while maintaining a good optical performance.

所述第七透鏡之焦距為f7，其與整體光學攝像透鏡組之有效焦距EFL之間，係滿足以下關係式：The focal length of the seventh lens is f7, which satisfies the following relationship with the effective focal length EFL of the overall optical imaging lens group:

1.5＜f7/EFL＜2.3；（8）1.5<f7/EFL<2.3; (8)

藉由滿足關係式（8）的條件，可以使第七透鏡具有適當大小之正屈折力。By satisfying the condition of the relational expression (8), the seventh lens can have an appropriate positive refractive power.

所述第四透鏡物側面之曲率半徑為R7、像側面之曲率半徑為R8，係滿足以下關係式：The radius of curvature on the object side of the fourth lens is R7, and the radius of curvature on the image side is R8, which satisfy the following relationship:

-0.9＜（R7+R8）/（R8-R7）＜0.6；（9）-0.9<(R7+R8)/(R8-R7)<0.6; (9)

藉由滿足關係式（9）的條件，可以使第四透鏡具有適當之透鏡形狀，有助於修正光學攝像透鏡組的成像像差。By satisfying the condition of relational expression (9), the fourth lens can have an appropriate lens shape, which helps to correct the imaging aberration of the optical imaging lens group.

所述第一透鏡、第二透鏡及第三透鏡之組合焦距為f123，其與整體光學攝像透鏡組之有效焦距EFL之間，係滿足以下關係式：The combined focal length of the first lens, the second lens and the third lens is f123, which satisfies the following relationship with the effective focal length EFL of the overall optical imaging lens group:

-1.3＜f123/EFL＜ -0.6；（10）-1.3<f123/EFL<-0.6; (10)

藉由滿足關係式（10）的條件，可以使第一透鏡、第二透鏡及第三透鏡之組合具有適當大小之負屈折力，有助於縮小光學攝像透鏡組的有效焦距及總長度。By satisfying the condition of relational expression (10), the combination of the first lens, the second lens and the third lens can have an appropriate size of negative refractive power, which helps to reduce the effective focal length and total length of the optical imaging lens group.

所述第二透鏡物側面之曲率半徑為R3、像側面之曲率半徑為R4，係滿足以下關係式：The radius of curvature on the object side of the second lens is R3, and the radius of curvature on the image side is R4, which satisfy the following relationship:

1.4＜R3/R4＜2.3；（11）1.4<R3/R4<2.3; (11)

藉由滿足關係式（11）的條件，可以控制第二透鏡之物側面及像側面的曲率半徑二者之間的比例，有助於接收及傳遞來自第一透鏡的入射光線，以降低成像像差。By satisfying the condition of relation (11), the ratio between the radius of curvature of the object side and the image side of the second lens can be controlled, which helps to receive and transmit the incident light from the first lens to reduce the imaging image Difference.

所述第四透鏡之焦距為f4，其與整體光學攝像透鏡組之有效焦距EFL之間，係滿足以下關係式：The focal length of the fourth lens is f4, which satisfies the following relationship with the effective focal length EFL of the overall optical imaging lens group:

1.6＜f4/EFL＜3.3；（12）1.6<f4/EFL<3.3; (12)

藉由滿足關係式（12）的條件，可以使第四透鏡具有適當之正屈折力，且第四透鏡設置於具負屈折力的第三透鏡之後，有助於修正場曲像差。By satisfying the condition of the relational expression (12), the fourth lens can have an appropriate positive refractive power, and the fourth lens is arranged behind the third lens with negative refractive power, which helps to correct field curvature aberration.

所述第二透鏡像側面至第三透鏡物側面在光軸上之距離為AT23，而所述第一透鏡物側面至光學攝像透鏡組成像面在光軸上之距離為TTL，係滿足以下關係式：The distance on the optical axis from the image side of the second lens to the object side of the third lens is AT23, and the distance on the optical axis from the object side of the first lens to the imaging surface of the optical imaging lens is TTL, which satisfies the following relationship Mode:

5＜TTL/AT23＜14；（13）5<TTL/AT23<14; (13)

藉由滿足關係式（13）的條件，有助於控制光學攝像透鏡組的總長度，有利於透鏡組之小型化。第一實施例 By satisfying the condition of relational expression (13), it is helpful to control the total length of the optical imaging lens group, which is beneficial to the miniaturization of the lens group. first embodiment

參見圖1A及圖1B，圖1A為本發明第一實施例之光學攝像透鏡組之示意圖。圖1B由左至右依序為本發明第一實施例之縱向球差圖（Longitudinal Spherical Aberration）、像散場曲像差圖（Astigmatism/Field Curvature）及畸變像差圖（Distortion）。Referring to FIG. 1A and FIG. 1B , FIG. 1A is a schematic diagram of an optical imaging lens group according to a first embodiment of the present invention. Fig. 1B is, from left to right, the diagram of Longitudinal Spherical Aberration, Astigmatism/Field Curvature and Distortion of the first embodiment of the present invention.

如圖1A所示，第一實施例之光學攝像透鏡組10由物側至像側依序包含第一透鏡11、第二透鏡12、第三透鏡13、光圈ST、第四透鏡14、第五透鏡15、第六透鏡16及第七透鏡17。此光學攝像透鏡組10更可包含濾光元件18及成像面19。在成像面19上更可設置一影像感測元件100，以構成一成像裝置（未另標號）。As shown in Figure 1A, the optical imaging lens group 10 of the first embodiment includes a first lens 11, a second lens 12, a third lens 13, an aperture ST, a fourth lens 14, a fifth lens 15 , sixth lens 16 and seventh lens 17 . The optical imaging lens group 10 can further include a filter element 18 and an imaging surface 19 . An image sensing element 100 can be further disposed on the imaging surface 19 to form an imaging device (not labeled otherwise).

第一透鏡11具有負屈折力，其物側面11a為凸面、像側面11b為凹面，且其物側面11a及像側面11b皆為球面。第一透鏡11之材質為玻璃。The first lens 11 has a negative refractive power, its object side 11 a is convex, its image side 11 b is concave, and both its object side 11 a and image side 11 b are spherical. The material of the first lens 11 is glass.

第二透鏡12 具有負屈折力，其物側面12a為凸面、像側面12b為凹面，且其物側面12a及像側面12b皆為非球面。第二透鏡12之材質為塑膠。The second lens 12 has a negative refractive power. The object side 12a is convex, the image side 12b is concave, and both the object side 12a and the image side 12b are aspherical. The material of the second lens 12 is plastic.

第三透鏡13具有負屈折力，其物側面13a為凹面、像側面13b為凸面，且物側面13a及像側面13b皆為非球面。第三透鏡13之材質為塑膠。The third lens 13 has negative refractive power, the object side 13a is concave, the image side 13b is convex, and both the object side 13a and the image side 13b are aspherical. The material of the third lens 13 is plastic.

第四透鏡14具有正屈折力，其物側面14a為凸面，其像側面14b為凸面，且其物側面14a及像側面14b皆為球面。第四透鏡14之材質為玻璃。The fourth lens 14 has positive refractive power, its object side 14a is convex, its image side 14b is convex, and its object side 14a and image side 14b are both spherical. The material of the fourth lens 14 is glass.

第五透鏡15具有正屈折力，其物側面15a為凸面、像側面15b為凸面，且其物側面15a及像側面15b皆為非球面。第五透鏡15之材質為玻璃。The fifth lens 15 has positive refractive power, its object side 15 a is convex, its image side 15 b is convex, and its object side 15 a and image side 15 b are both aspherical. The fifth lens 15 is made of glass.

第六透鏡16具有負屈折力，其物側面16a為凹面，其像側面16b為凹面，且其物側面16a及像側面16b皆為球面。第六透鏡16之材質為玻璃。The sixth lens 16 has negative refractive power, its object side 16 a is concave, its image side 16 b is concave, and its object side 16 a and image side 16 b are both spherical. The material of the sixth lens 16 is glass.

第七透鏡17具有正屈折力，其物側面17a為凸面、像側面17b為凸面，且其物側面17a及像側面17b皆為非球面。第七透鏡17之材質為塑膠。The seventh lens 17 has positive refractive power, its object side 17 a is convex, its image side 17 b is convex, and both its object side 17 a and image side 17 b are aspherical. The material of the seventh lens 17 is plastic.

濾光元件18設置於第七透鏡17與成像面19之間，用以濾除特定波長區段的光線，例如是一紅外線濾除元件（IR Filter）。濾光元件18之二表面18a、18b皆為平面，其材質為玻璃。The filter element 18 is disposed between the seventh lens 17 and the imaging surface 19 to filter out light in a specific wavelength range, such as an infrared filter (IR Filter). The two surfaces 18a, 18b of the filter element 18 are both flat and made of glass.

影像感測元件（Image Sensor）100例如是電荷耦合元件影像感測元件（Charge-Coupled Device (CCD) Image Sensor）或互補式金屬氧化半導體感測元件（CMOS Image Sensor）。The image sensor (Image Sensor) 100 is, for example, a Charge-Coupled Device (CCD) Image Sensor or a Complementary Metal Oxide Semiconductor Sensor (CMOS Image Sensor).

上述各個非球面之曲線方程式表示如下：The curve equations of the above-mentioned aspheric surfaces are expressed as follows:

其中，X：非球面上距離光軸為Y的點與非球面於光軸上之切面間的距離；Among them, X: the distance between the point on the aspheric surface whose distance from the optical axis is Y and the tangent plane of the aspheric surface on the optical axis;

Y：非球面上的點與光軸間之垂直距離；Y: The vertical distance between the point on the aspheric surface and the optical axis;

R：透鏡於近光軸處的曲率半徑；R: radius of curvature of the lens at the near optical axis;

K：錐面係數；以及K: cone coefficient; and

Ai：第i階非球面係數。Ai: i-th order aspherical coefficient.

請參見下方表一，其為本發明第一實施例之光學攝像透鏡組100的詳細光學數據。其中，第一透鏡11之物側面11a標示為表面11a、像側面11b標示為表面11b，其他各透鏡表面則依此類推。表中距離欄位的數值代表該表面至下一表面在光軸I上的距離，例如第一透鏡11之物側面11a至像側面11b之距離為 0.5 mm，代表第一透鏡11在光軸上的厚度為 0.5 mm。第一透鏡11之像側面11b至第二透鏡12之物側面12a之距離為 0.489 mm。其它可依此類推，以下不再重述。Please refer to Table 1 below, which is the detailed optical data of the optical imaging lens assembly 100 according to the first embodiment of the present invention. Wherein, the object side 11a of the first lens 11 is marked as the surface 11a, and the image side 11b is marked as the surface 11b, and the other lens surfaces are deduced accordingly. The value in the distance column in the table represents the distance on the optical axis I from the surface to the next surface. For example, the distance from the object side 11a to the image side 11b of the first lens 11 is 0.5 mm, which means that the first lens 11 is on the optical axis. The thickness is 0.5mm. The distance from the image side 11b of the first lens 11 to the object side 12a of the second lens 12 is 0.489 mm. Others can be deduced in a similar manner, and will not be repeated below.

第一實施例中，光學攝像透鏡組10之有效焦距為EFL，光圈值（F-number）為Fno，整體光學攝像透鏡組10最大視角之一半為HFOV（Half Field of View），其數值亦列於表一中。第一實施例 EFL= 1.68 mm, Fno = 2.17, HFOV = 95 deg 　表面表面種類曲率半徑(mm) 距離 (mm) 折射率色散係數焦距 (mm) 材質被攝物　　無限無限　　　　第一透鏡 11a 球面 7.445 0.500 1.780 49.6 -5.14 玻璃 11b 球面 2.522 0.489 　　　　第二透鏡 12a 非球面 3.178 0.422 1.541 56.0 -5.62 塑膠 12b 非球面 1.479 1.673 　　　　第三透鏡 13a 非球面 -2.125 0.494 1.530 56.0 -9.20 塑膠 13b 非球面 -4.085 0.146 　　　　光圈 ST 平面無限 0.000 　　　第四透鏡 14a 球面 7.417 0.711 1.918 31.3 4.92 玻璃 14b 球面 -10.756 0.367 　　　　第五透鏡 15a 非球面 4.615 1.502 1.780 49.6 2.61 玻璃 15b 非球面 -3.104 0.197 　　　　第六透鏡 16a 球面 -5.560 0.367 1.972 17.9 -2.75 玻璃 16b 球面 5.140 0.137 　　　　第七透鏡 17a 非球面 4.284 1.316 1.544 56.1 3.52 塑膠 17b 非球面 -3.055 1.194 　　　　濾光元件 18a 平面無限 0.210 1.517 64.2 　玻璃 18b 平面無限 1.229 　　　　成像面 19 平面無限　　　　　參考波長：550 nm 表一 In the first embodiment, the effective focal length of the optical imaging lens group 10 is EFL, the aperture value (F-number) is Fno, half of the maximum viewing angle of the overall optical imaging lens group 10 is HFOV (Half Field of View), and its values are also listed in Table 1. first embodiment EFL= 1.68 mm, Fno = 2.17, HFOV = 95 deg surface surface type Radius of curvature (mm) Distance (mm) Refractive index Dispersion coefficient focal length(mm) material subject unlimited unlimited first lens 11a sphere 7.445 0.500 1.780 49.6 -5.14 Glass 11b sphere 2.522 0.489 second lens 12a Aspherical 3.178 0.422 1.541 56.0 -5.62 plastic 12b Aspherical 1.479 1.673 third lens 13a Aspherical -2.125 0.494 1.530 56.0 -9.20 plastic 13b Aspherical -4.085 0.146 aperture ST flat unlimited 0.000 fourth lens 14a sphere 7.417 0.711 1.918 31.3 4.92 Glass 14b sphere -10.756 0.367 fifth lens 15a Aspherical 4.615 1.502 1.780 49.6 2.61 Glass 15b Aspherical -3.104 0.197 sixth lens 16a sphere -5.560 0.367 1.972 17.9 -2.75 Glass 16b sphere 5.140 0.137 seventh lens 17a Aspherical 4.284 1.316 1.544 56.1 3.52 plastic 17b Aspherical -3.055 1.194 filter element 18a flat unlimited 0.210 1.517 64.2 Glass 18b flat unlimited 1.229 imaging surface 19 flat unlimited Reference wavelength: 550 nm Table I

請參見下方表二，其為本發明第一實施例各透鏡之各表面的非球面係數。其中，K為非球面曲線方程式中的錐面係數，A ₂至A ₁₆則代表各表面第2階至第16階非球面係數。例如第二透鏡12之物側面12a之錐面係數K為 -0.012。其它可依此類推，以下不再重述。此外，以下各實施例的表格係對應至各實施例之光學攝像透鏡組，各表格的定義係與本實施例相同，故在以下實施例中不再加以贅述。第一實施例之非球面係數表面 12a 12b 13a 13b K -1.02E-02 -5.33E-01 -2.32E+00 -3.04E+01 A ₂ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 A ₄ 4.37E-02 6.94E-02 8.18E-03 -2.83E-02 A ₆ -7.11E-03 1.40E-02 3.79E-03 3.58E-02 A ₈ -7.47E-04 -1.29E-02 1.97E-03 -9.53E-03 A ₁₀ 8.51E-05 2.58E-03 -1.80E-03 -2.42E-03 A ₁₂ -6.97E-09 0.00E+00 3.58E-05 3.03E-05 A ₁₄ 0.00E+00 0.00E+00 7.65E-05 1.97E-04 A ₁₆ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 表面 15a 15b 17a 17b K -6.89E+00 -3.58E-01 -1.20E+01 1.36E-01 A ₂ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 A ₄ 3.07E-03 1.61E-04 4.78E-03 1.96E-02 A ₆ -1.04E-03 1.68E-03 1.76E-03 8.93E-04 A ₈ 2.79E-04 -7.54E-05 -1.40E-04 5.22E-04 A ₁₀ 2.77E-05 1.57E-05 2.04E-05 -2.32E-05 A ₁₂ -9.40E-07 -2.27E-07 -1.28E-10 -7.52E-10 A ₁₄ 4.13E-07 0.00E+00 -4.27E-09 7.01E-11 A ₁₆ 0.00E+00 0.00E+00 -6.32E-09 1.81E-10 表二 Please refer to Table 2 below, which shows the aspheric coefficients of the surfaces of the lenses in the first embodiment of the present invention. Among them, K is the cone coefficient in the aspheric curve equation, and A ₂ to A ₁₆ represent the 2nd to 16th order aspheric coefficients of each surface. For example, the conic coefficient K of the object side surface 12a of the second lens 12 is -0.012. Others can be deduced in a similar manner, and will not be repeated below. In addition, the tables of the following embodiments are corresponding to the optical imaging lens groups of each embodiment, and the definitions of each table are the same as those of this embodiment, so they will not be repeated in the following embodiments. Aspheric coefficient of the first embodiment surface 12a 12b 13a 13b K -1.02E-02 -5.33E-01 -2.32E+00 -3.04E+01 A ₂ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 A ₄ 4.37E-02 6.94E-02 8.18E-03 -2.83E-02 A ₆ -7.11E-03 1.40E-02 3.79E-03 3.58E-02 A ₈ -7.47E-04 -1.29E-02 1.97E-03 -9.53E-03 A ₁₀ 8.51E-05 2.58E-03 -1.80E-03 -2.42E-03 A ₁₂ -6.97E-09 0.00E+00 3.58E-05 3.03E-05 A ₁₄ 0.00E+00 0.00E+00 7.65E-05 1.97E-04 A ₁₆ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 surface 15a 15b 17a 17b K -6.89E+00 -3.58E-01 -1.20E+01 1.36E-01 A ₂ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 A ₄ 3.07E-03 1.61E-04 4.78E-03 1.96E-02 A ₆ -1.04E-03 1.68E-03 1.76E-03 8.93E-04 A ₈ 2.79E-04 -7.54E-05 -1.40E-04 5.22E-04 A ₁₀ 2.77E-05 1.57E-05 2.04E-05 -2.32E-05 A ₁₂ -9.40E-07 -2.27E-07 -1.28E-10 -7.52E-10 A ₁₄ 4.13E-07 0.00E+00 -4.27E-09 7.01E-11 A ₁₆ 0.00E+00 0.00E+00 -6.32E-09 1.81E-10 Table II

第一實施例中，所述第三透鏡13的焦距f3與整體光學攝像透鏡組10之有效焦距EFL的關係式為f3/EFL= -5.48。In the first embodiment, the relationship between the focal length f3 of the third lens 13 and the effective focal length EFL of the overall optical imaging lens group 10 is f3/EFL=-5.48.

第一實施例中，所述第二透鏡12在光軸上之厚度CT2，與第三透鏡13在光軸上之厚度CT3的關係式為 CT3/CT2=1.17。In the first embodiment, the relationship between the thickness CT2 of the second lens 12 on the optical axis and the thickness CT3 of the third lens 13 on the optical axis is CT3/CT2=1.17.

第一實施例中，所述第三透鏡13及第四透鏡14之組合焦距f34，與整體光學攝像透鏡組10之有效焦距EFL的關係式為f34/EFL=5.07。In the first embodiment, the relationship between the combined focal length f34 of the third lens 13 and the fourth lens 14 and the effective focal length EFL of the overall optical imaging lens group 10 is f34/EFL=5.07.

第一實施例中，所述第一透鏡11的焦距f1，與第二透鏡12的焦距f2之關係式為f2/f1=1.09。In the first embodiment, the relationship between the focal length f1 of the first lens 11 and the focal length f2 of the second lens 12 is f2/f1=1.09.

第一實施例中，所述第五透鏡15及第六透鏡16之組合焦距f56，與整體光學攝像透鏡組10之有效焦距EFL的關係式為f56/EFL=5.38。In the first embodiment, the relationship between the combined focal length f56 of the fifth lens 15 and the sixth lens 16 and the effective focal length EFL of the overall optical imaging lens group 10 is f56/EFL=5.38.

第一實施例中，所述第六透鏡16像側面16b的曲率半徑R12，與第七透鏡17物側面17a的曲率半徑R13之關係式為R12/R13=1.20。In the first embodiment, the relationship between the radius of curvature R12 of the image side 16b of the sixth lens 16 and the radius of curvature R13 of the object side 17a of the seventh lens 17 is R12/R13=1.20.

第一實施例中，所述第五透鏡15之焦距f5，與整體光學攝像透鏡組10之有效焦距EFL的關係式為f5/EFL=1.55。In the first embodiment, the relationship between the focal length f5 of the fifth lens 15 and the effective focal length EFL of the overall optical imaging lens group 10 is f5/EFL=1.55.

第一實施例中，所述第七透鏡17之焦距f7，與整體光學攝像透鏡組10之有效焦距EFL的關係式為f7/EFL=2.10。In the first embodiment, the relationship between the focal length f7 of the seventh lens 17 and the effective focal length EFL of the overall optical imaging lens group 10 is f7/EFL=2.10.

第一實施例中，所述第四透鏡14物側面14a的曲率半徑R7、像側面14b的曲率半徑R8之間的關係式為

= 0.18。 In the first embodiment, the relational expression between the radius of curvature R7 of the object side 14a of the fourth lens 14 and the radius of curvature R8 of the image side 14b is

= 0.18.

第一實施例中，所述第一透鏡11、第二透鏡12、第三透鏡13及第四透鏡14之組合焦距f1234= -7.62。In the first embodiment, the combined focal length f1234 of the first lens 11 , the second lens 12 , the third lens 13 and the fourth lens 14 = -7.62.

第一實施例中，所述第一透鏡11、第二透鏡12及第三透鏡13之組合焦距f123，與整體光學攝像透鏡組10之有效焦距EFL的關係式為f123/EFL= -1.04。In the first embodiment, the relationship between the combined focal length f123 of the first lens 11 , the second lens 12 and the third lens 13 and the effective focal length EFL of the overall optical imaging lens group 10 is f123/EFL=-1.04.

第一實施例中，所述第二透鏡12物側面12a的曲率半徑R3、像側面12b的曲率半徑R4的關係式為R3/R4=2.15。In the first embodiment, the relationship between the radius of curvature R3 of the object side 12a of the second lens 12 and the radius of curvature R4 of the image side 12b is R3/R4=2.15.

第一實施例中，所述第四透鏡的焦距f4，與整體光學攝像透鏡組10之有效焦距EFL的關係式為f4/EFL=2.93。In the first embodiment, the relationship between the focal length f4 of the fourth lens and the effective focal length EFL of the overall optical imaging lens group 10 is f4/EFL=2.93.

第一實施例中，所述第二透鏡12像側面12b至所述第三透鏡13物側面13a在光軸上之距離AT23，與所述第一透鏡11物側面11a至光學攝像透鏡組10之成像面19在光軸上之距離TTL的關係式為TTL/AT23=6.55。In the first embodiment, the distance AT23 between the image side 12b of the second lens 12 and the object side 13a of the third lens 13 on the optical axis is the same as the distance AT23 between the object side 11a of the first lens 11 and the optical imaging lens group 10 The relational formula of the distance TTL of the imaging surface 19 on the optical axis is TTL/AT23=6.55.

由以上關係式的數值可知，第一實施例之光學攝像透鏡組10滿足關係式（1）至（13）的要求。It can be seen from the values of the above relational expressions that the optical imaging lens group 10 of the first embodiment satisfies the requirements of the relational expressions (1) to (13).

參見圖1B，圖中由左至右分別為光學攝像透鏡組10之縱向球差圖、像散場曲像差圖及畸變像差圖。由縱向球差圖可以看出，三種可見光470nm、550nm及650nm波長在不同高度的離軸光線皆可集中於成像點附近，其成像點偏差可以控制在 +0.02mm以內。由像散場曲像差圖（波長550nm）可以看出，弧矢方向的像差在整個視場範圍內的焦距變化量在 +0.02mm以內；子午方向的像差在整個視場範圍內的焦距變化量在 +0.05mm以內；而畸變像差可以控制在15%以內。如圖1B所示，本實施例之光學攝像透鏡組10已良好地修正了各項像差，符合光學系統的成像品質要求。第二實施例 Referring to FIG. 1B , from left to right in the figure are the longitudinal spherical aberration diagram, the astigmatism field curvature aberration diagram and the distortion aberration diagram of the optical imaging lens group 10 . It can be seen from the longitudinal spherical aberration diagram that the three kinds of off-axis rays with wavelengths of 470nm, 550nm and 650nm at different heights can be concentrated near the imaging point, and the deviation of the imaging point can be controlled within + 0.02mm. From the astigmatism and field curvature aberration diagram (wavelength 550nm), it can be seen that the focal length variation of the sagittal direction aberration in the entire field of view is within + 0.02mm; The variation is within + 0.05mm; and the distortion aberration can be controlled within 15%. As shown in FIG. 1B , the optical imaging lens group 10 of this embodiment has well corrected various aberrations and meets the imaging quality requirements of the optical system. second embodiment

參見圖2A及圖2B，圖2A為本發明第二實施例之光學攝像透鏡組之示意圖。圖2B由左至右依序為本發明第二實施例之縱向球差圖（Longitudinal Spherical Aberration）、像散場曲像差圖（Astigmatism/Field Curvature）及畸變像差圖（Distortion）。Referring to FIG. 2A and FIG. 2B , FIG. 2A is a schematic diagram of an optical imaging lens group according to a second embodiment of the present invention. Fig. 2B is, from left to right, the diagram of Longitudinal Spherical Aberration, Astigmatism/Field Curvature and Distortion of the second embodiment of the present invention.

如圖2A所示，第二實施例之光學攝像透鏡組20由物側至像側依序包含第一透鏡21、第二透鏡22、第三透鏡23、光圈ST、第四透鏡24、第五透鏡25、第六透鏡26及第七透鏡27。此光學攝像透鏡組20更可包含濾光元件28及成像面29。在成像面29上更可設置一影像感測元件200，以構成一成像裝置（未另標號）。As shown in Figure 2A, the optical imaging lens group 20 of the second embodiment includes a first lens 21, a second lens 22, a third lens 23, an aperture ST, a fourth lens 24, a fifth lens 25 , sixth lens 26 and seventh lens 27 . The optical camera lens group 20 can further include a filter element 28 and an imaging surface 29 . An image sensing element 200 can be further disposed on the imaging surface 29 to form an imaging device (not labeled otherwise).

第一透鏡21具有負屈折力，其物側面21a為凸面、像側面21b為凹面，且其物側面21a及像側面21b皆為球面。第一透鏡21之材質為玻璃。The first lens 21 has a negative refractive power, its object side 21 a is convex, its image side 21 b is concave, and both its object side 21 a and image side 21 b are spherical. The material of the first lens 21 is glass.

第二透鏡22 具有負屈折力，其物側面22a為凸面、像側面22b為凹面，且其物側面22a及像側面22b皆為非球面。第二透鏡22之材質為塑膠。The second lens 22 has a negative refractive power. The object side 22a is convex, the image side 22b is concave, and both the object side 22a and the image side 22b are aspherical. The material of the second lens 22 is plastic.

第三透鏡23具有負屈折力，其物側面23a為凹面、像側面23b為凸面，且物側面23a及像側面23b皆為非球面。第三透鏡23之材質為塑膠。The third lens 23 has negative refractive power, the object side 23a is concave, the image side 23b is convex, and both the object side 23a and the image side 23b are aspherical. The material of the third lens 23 is plastic.

第四透鏡24具有正屈折力，其物側面24a為凸面，其像側面24b為凸面，且其物側面24a及像側面24b皆為球面。第四透鏡24之材質為玻璃。The fourth lens 24 has positive refractive power, its object side 24 a is convex, its image side 24 b is convex, and its object side 24 a and image side 24 b are both spherical. The material of the fourth lens 24 is glass.

第五透鏡25具有正屈折力，其物側面25a為凸面、像側面25b為凸面，且其物側面25a及像側面25b皆為非球面。第五透鏡25之材質為玻璃。The fifth lens 25 has positive refractive power, its object side 25 a is convex, its image side 25 b is convex, and both its object side 25 a and image side 25 b are aspherical. The fifth lens 25 is made of glass.

第六透鏡26具有負屈折力，其物側面26a為凹面，其像側面26b為凹面，且其物側面26a及像側面26b皆為球面。第六透鏡26之材質為玻璃。The sixth lens 26 has negative refractive power, its object side 26 a is concave, its image side 26 b is concave, and its object side 26 a and image side 26 b are both spherical. The material of the sixth lens 26 is glass.

第七透鏡27具有正屈折力，其物側面27a為凸面、像側面27b為凸面，且其物側面27a及像側面27b皆為非球面。第七透鏡27之材質為塑膠。The seventh lens 27 has positive refractive power, its object side 27 a is convex, its image side 27 b is convex, and its object side 27 a and image side 27 b are both aspherical. The material of the seventh lens 27 is plastic.

濾光元件28設置於第七透鏡27與成像面29之間，用以濾除特定波長區段的光線，例如是一紅外線濾除元件（IR Filter）。濾光元件28之二表面28a、28b皆為平面，其材質為玻璃。The filter element 28 is disposed between the seventh lens 27 and the imaging surface 29 to filter out light in a specific wavelength range, such as an infrared filter (IR Filter). The two surfaces 28a, 28b of the filter element 28 are both flat and made of glass.

影像感測元件（Image Sensor）200例如是電荷耦合元件影像感測元件（Charge-Coupled Device (CCD) Image Sensor）或互補式金屬氧化半導體感測元件（CMOS Image Sensor）。The image sensor (Image Sensor) 200 is, for example, a Charge-Coupled Device (CCD) Image Sensor or a Complementary Metal Oxide Semiconductor Sensor (CMOS Image Sensor).

第二實施例之光學攝像透鏡組20之詳細光學數據及透鏡表面之非球面係數分別列於表三及表四。在第二實施例中，非球面之曲線方程式表示如第一實施例的形式。第二實施例 EFL= 1.99 mm, Fno = 2.35, HFOV = 95 deg 　表面表面種類曲率半徑(mm) 距離 (mm) 折射率色散係數焦距 (mm) 材質被攝物　　無限無限　　　　第一透鏡 21a 球面 7.527 0.500 1.781 49.6 -5.15 玻璃 21b 球面 2.534 0.557 　　　　第二透鏡 22a 非球面 2.533 0.300 1.540 55.6 -6.55 塑膠 22b 非球面 1.412 1.307 　　　　第三透鏡 23a 非球面 -2.048 0.422 1.541 56.0 -11.76 塑膠 23b 非球面 -3.246 0.269 　　　　光圈 ST 平面無限 0.000 　　　第四透鏡 24a 球面 18.773 0.602 1.864 23.8 6.29 玻璃 24b 球面 -7.421 0.271 　　　　第五透鏡 25a 非球面 4.384 1.261 1.780 49.6 2.33 玻璃 25b 非球面 -2.684 0.241 　　　　第六透鏡 26a 球面 -4.768 0.500 1.972 17.9 -2.32 玻璃 26b 球面 4.372 0.153 　　　　第七透鏡 27a 非球面 3.951 1.388 1.538 55.9 3.57 塑膠 27b 非球面 -3.248 1.423 　　　　濾光元件 28a 平面無限 0.210 1.517 64.2 　玻璃 28b 平面無限 1.243 　　　　成像面 29 平面無限　　　　　參考波長：550 nm 表三第二實施例之非球面係數表面 22a 22b 23a 23b K -1.79E+00 -6.41E-01 -9.40E-01 -1.50E+01 A ₂ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 A ₄ 2.28E-02 3.24E-02 -3.42E-03 -3.82E-02 A ₆ -7.68E-03 1.03E-02 3.25E-03 1.57E-02 A ₈ -1.51E-04 -1.03E-02 4.90E-03 7.99E-03 A ₁₀ 1.77E-04 1.73E-03 -8.74E-03 4.05E-02 A ₁₂ 8.58E-06 0.00E+00 7.16E-03 -8.60E-02 A ₁₄ 0.00E+00 0.00E+00 -1.59E-03 4.71E-02 A ₁₆ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 表面 25a 25b 27a 27b K -7.00E+00 -5.77E-01 -9.93E+00 4.57E-01 A ₂ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 A ₄ 3.57E-03 1.34E-03 4.28E-03 1.18E-02 A ₆ 4.69E-04 2.45E-03 1.59E-03 6.73E-04 A ₈ -5.32E-04 -4.26E-04 -2.59E-04 4.85E-04 A ₁₀ 3.49E-04 -2.20E-05 1.90E-05 -1.60E-05 A ₁₂ -2.87E-04 -1.67E-05 3.73E-07 1.10E-06 A ₁₄ 6.84E-05 0.00E+00 1.05E-07 -3.79E-08 A ₁₆ 0.00E+00 0.00E+00 -4.37E-08 -1.12E-07 表四 The detailed optical data and aspheric coefficients of the lens surface of the optical imaging lens group 20 of the second embodiment are listed in Table 3 and Table 4 respectively. In the second embodiment, the curve equation of the aspheric surface is expressed in the form of the first embodiment. second embodiment EFL= 1.99 mm, Fno = 2.35, HFOV = 95 deg surface surface type Radius of curvature (mm) Distance (mm) Refractive index Dispersion coefficient focal length(mm) material subject unlimited unlimited first lens 21a sphere 7.527 0.500 1.781 49.6 -5.15 Glass 21b sphere 2.534 0.557 second lens 22a Aspherical 2.533 0.300 1.540 55.6 -6.55 plastic 22b Aspherical 1.412 1.307 third lens 23a Aspherical -2.048 0.422 1.541 56.0 -11.76 plastic 23b Aspherical -3.246 0.269 aperture ST flat unlimited 0.000 fourth lens 24a sphere 18.773 0.602 1.864 23.8 6.29 Glass 24b sphere -7.421 0.271 fifth lens 25a Aspherical 4.384 1.261 1.780 49.6 2.33 Glass 25b Aspherical -2.684 0.241 sixth lens 26a sphere -4.768 0.500 1.972 17.9 -2.32 Glass 26b sphere 4.372 0.153 seventh lens 27a Aspherical 3.951 1.388 1.538 55.9 3.57 plastic 27b Aspherical -3.248 1.423 filter element 28a flat unlimited 0.210 1.517 64.2 Glass 28b flat unlimited 1.243 imaging surface 29 flat unlimited Reference wavelength: 550 nm Table three Aspheric coefficient of the second embodiment surface 22a 22b 23a 23b K -1.79E+00 -6.41E-01 -9.40E-01 -1.50E+01 A ₂ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 A ₄ 2.28E-02 3.24E-02 -3.42E-03 -3.82E-02 A ₆ -7.68E-03 1.03E-02 3.25E-03 1.57E-02 A ₈ -1.51E-04 -1.03E-02 4.90E-03 7.99E-03 A ₁₀ 1.77E-04 1.73E-03 -8.74E-03 4.05E-02 A ₁₂ 8.58E-06 0.00E+00 7.16E-03 -8.60E-02 A ₁₄ 0.00E+00 0.00E+00 -1.59E-03 4.71E-02 A ₁₆ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 surface 25a 25b 27a 27b K -7.00E+00 -5.77E-01 -9.93E+00 4.57E-01 A ₂ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 A ₄ 3.57E-03 1.34E-03 4.28E-03 1.18E-02 A ₆ 4.69E-04 2.45E-03 1.59E-03 6.73E-04 A ₈ -5.32E-04 -4.26E-04 -2.59E-04 4.85E-04 A ₁₀ 3.49E-04 -2.20E-05 1.90E-05 -1.60E-05 A ₁₂ -2.87E-04 -1.67E-05 3.73E-07 1.10E-06 A ₁₄ 6.84E-05 0.00E+00 1.05E-07 -3.79E-08 A ₁₆ 0.00E+00 0.00E+00 -4.37E-08 -1.12E-07 Table four

在第二實施例中，光學攝像透鏡組20之各關係式的數值列於表五。由表五可知，第二實施例之光學攝像透鏡組20滿足關係式（1）至（13）的要求。關係式數值 f3/EFL -5.91 CT3/CT2 1.41 f34/EFL 5.44 f2/f1 1.27 f56/EFL 4.12 R12/R13 1.11 f5/EFL 1.17 f7/EFL 1.79 （R7+R8）/（R8-R7） -0.43 f1234 -5.96 f123/EFL -1.02 R3/R4 1.79 f4/EFL 3.16 TTL/AT23 8.15 表五 In the second embodiment, the values of the relational expressions of the optical imaging lens group 20 are listed in Table 5. It can be seen from Table 5 that the optical imaging lens group 20 of the second embodiment satisfies the requirements of relational expressions (1) to (13). Relational value f3/EFL -5.91 CT3/CT2 1.41 f34/EFL 5.44 f2/f1 1.27 f56/EFL 4.12 R12/R13 1.11 f5/EFL 1.17 f7/EFL 1.79 (R7+R8)/(R8-R7) -0.43 f1234 -5.96 f123/EFL -1.02 R3/R4 1.79 f4/EFL 3.16 TTL/AT23 8.15 Table five

參見圖2B，圖中由左至右分別為光學攝像透鏡組20之縱向球差圖、像散場曲像差圖及畸變像差圖。由縱向球差圖可以看出，三種可見光470nm、550nm及650nm波長在不同高度的離軸光線皆可集中於成像點附近，其成像點偏差可以控制在 +0.03mm以內。由像散場曲像差圖（波長550nm）可以看出，弧矢方向的像差在整個視場範圍內的焦距變化量在 +0.04mm以內；子午方向的像差在整個視場範圍內的焦距變化量在 +0.03mm以內；而畸變像差可以控制在7%以內。如圖2B所示，本實施例之光學攝像透鏡組20已良好地修正了各項像差，符合光學系統的成像品質要求。第三實施例 Referring to FIG. 2B , from left to right in the figure are the longitudinal spherical aberration diagram, astigmatism field curvature aberration diagram and distortion aberration diagram of the optical imaging lens group 20 . It can be seen from the longitudinal spherical aberration diagram that the off-axis rays of the three kinds of visible light wavelengths of 470nm, 550nm and 650nm at different heights can be concentrated near the imaging point, and the deviation of the imaging point can be controlled within + 0.03mm. From the astigmatism and field curvature aberration diagram (wavelength 550nm), it can be seen that the focal length variation of the sagittal direction aberration in the entire field of view is within + 0.04mm; The variation is within + 0.03mm; and the distortion aberration can be controlled within 7%. As shown in FIG. 2B , the optical imaging lens group 20 of this embodiment has well corrected various aberrations and meets the imaging quality requirements of the optical system. third embodiment

參見圖3A及圖3B，圖3A為本發明第三實施例之光學攝像透鏡組之示意圖。圖3B由左至右依序為本發明第三實施例之縱向球差圖（Longitudinal Spherical Aberration）、像散場曲像差圖（Astigmatism/Field Curvature）及畸變像差圖（Distortion）。Referring to FIG. 3A and FIG. 3B , FIG. 3A is a schematic diagram of an optical imaging lens group according to a third embodiment of the present invention. Fig. 3B is, from left to right, the diagram of Longitudinal Spherical Aberration, Astigmatism/Field Curvature and Distortion of the third embodiment of the present invention.

如圖3A所示，第三實施例之光學攝像透鏡組30由物側至像側依序包含第一透鏡31、第二透鏡32、第三透鏡33、光圈ST、第四透鏡34、第五透鏡35、第六透鏡36及第七透鏡37。此光學攝像透鏡組30更可包含濾光元件38及成像面39。在成像面39上更可設置一影像感測元件300，以構成一成像裝置（未另標號）。As shown in Figure 3A, the optical imaging lens group 30 of the third embodiment includes a first lens 31, a second lens 32, a third lens 33, an aperture ST, a fourth lens 34, a fifth lens 35 , sixth lens 36 and seventh lens 37 . The optical camera lens group 30 can further include a filter element 38 and an imaging surface 39 . An image sensing element 300 can be further disposed on the imaging surface 39 to form an imaging device (not labeled otherwise).

第一透鏡31具有負屈折力，其物側面31a為凸面、像側面31b為凹面，且其物側面31a及像側面31b皆為球面。第一透鏡31之材質為玻璃。The first lens 31 has negative refractive power, its object side 31 a is convex, its image side 31 b is concave, and both its object side 31 a and image side 31 b are spherical. The material of the first lens 31 is glass.

第二透鏡32 具有負屈折力，其物側面32a為凸面、像側面32b為凹面，且其物側面32a及像側面32b皆為非球面。第二透鏡32之材質為塑膠。The second lens 32 has negative refractive power, its object side 32 a is convex, its image side 32 b is concave, and both its object side 32 a and image side 32 b are aspherical. The material of the second lens 32 is plastic.

第三透鏡33具有負屈折力，其物側面33a為凹面、像側面33b為凸面，且物側面33a及像側面33b皆為非球面。第三透鏡33之材質為塑膠。The third lens 33 has negative refractive power, the object side 33a is concave, the image side 33b is convex, and both the object side 33a and the image side 33b are aspherical. The material of the third lens 33 is plastic.

第四透鏡34具有正屈折力，其物側面34a為凸面，其像側面34b為凸面，且其物側面34a及像側面34b皆為球面。第四透鏡34之材質為玻璃。The fourth lens 34 has a positive refractive power, its object side 34 a is convex, its image side 34 b is convex, and both its object side 34 a and image side 34 b are spherical. The material of the fourth lens 34 is glass.

第五透鏡35具有正屈折力，其物側面35a為凸面、像側面35b為凸面，且其物側面35a及像側面35b皆為非球面。第五透鏡35之材質為玻璃。The fifth lens 35 has a positive refractive power, its object side 35 a is convex, its image side 35 b is convex, and both its object side 35 a and image side 35 b are aspherical. The material of the fifth lens 35 is glass.

第六透鏡36具有負屈折力，其物側面36a為凹面，其像側面36b為凹面，且其物側面36a及像側面36b皆為球面。第六透鏡36之材質為玻璃。The sixth lens 36 has negative refractive power, its object side 36 a is concave, its image side 36 b is concave, and its object side 36 a and image side 36 b are both spherical. The sixth lens 36 is made of glass.

第七透鏡37具有正屈折力，其物側面37a為凸面、像側面37b為凸面，且其物側面37a及像側面37b皆為非球面。第七透鏡37之材質為塑膠。The seventh lens 37 has positive refractive power, its object side 37 a is convex, its image side 37 b is convex, and both its object side 37 a and image side 37 b are aspherical. The material of the seventh lens 37 is plastic.

濾光元件38設置於第七透鏡37與成像面39之間，用以濾除特定波長區段的光線，例如是一紅外線濾除元件（IR Filter）。濾光元件38之二表面38a、38b皆為平面，其材質為玻璃。The filter element 38 is disposed between the seventh lens 37 and the imaging surface 39 to filter out light in a specific wavelength range, such as an infrared filter (IR Filter). The two surfaces 38a, 38b of the filter element 38 are both flat and made of glass.

影像感測元件（Image Sensor）300例如是電荷耦合元件影像感測元件（Charge-Coupled Device (CCD) Image Sensor）或互補式金屬氧化半導體感測元件（CMOS Image Sensor）。The image sensor (Image Sensor) 300 is, for example, a Charge-Coupled Device (CCD) Image Sensor or a Complementary Metal Oxide Semiconductor Sensor (CMOS Image Sensor).

第三實施例之光學攝像透鏡組30之詳細光學數據及透鏡表面之非球面係數分別列於表六及表七。在第三實施例中，非球面之曲線方程式表示如第一實施例的形式。第三實施例 EFL= 1.95 mm, Fno = 2.26, HFOV = 95 deg 　表面表面種類曲率半徑(mm) 距離(mm) 折射率色散係數焦距(mm) 材質被攝物　　無限無限　　　　第一透鏡 31a 球面 7.467 0.500 1.813 46.6 -5.00 玻璃 31b 球面 2.542 0.350 　　　　第二透鏡 32a 非球面 3.051 0.240 1.530 56.0 -6.85 塑膠 32b 非球面 1.609 1.375 　　　　第三透鏡 33a 非球面 -2.250 0.589 1.530 56.3 -15.71 塑膠 33b 非球面 -3.368 0.165 　　　　光圈 ST 平面無限 0.000 　　　第四透鏡 34a 球面 36.924 0.602 1.916 31.6 5.69 玻璃 34b 球面 -5.952 0.361 　　　　第五透鏡 35a 非球面 4.889 1.087 1.796 47.4 2.48 玻璃 35b 非球面 -2.948 0.215 　　　　第六透鏡 36a 球面 -6.708 0.495 1.972 17.9 -2.55 玻璃 36b 球面 3.985 0.228 　　　　第七透鏡 37a 非球面 5.017 1.388 1.536 56.0 3.86 塑膠 37b 非球面 -3.157 1.167 　　　　濾光元件 38a 平面無限 0.210 1.517 64.2 　玻璃 38b 平面無限 1.245 　　　　成像面 39 平面無限　　　　　參考波長：550 nm 表六第三實施例之非球面係數表面 32a 32b 33a 33b K 1.15E+00 -7.03E-01 -7.96E-01 -1.32E+01 A ₂ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 A ₄ 2.98E-02 5.98E-02 -4.81E-03 -3.50E-02 A ₆ -9.75E-03 1.66E-02 1.47E-03 2.19E-02 A ₈ -5.81E-04 -9.43E-03 3.90E-03 -3.28E-05 A ₁₀ 7.17E-05 1.99E-03 -1.82E-03 -2.29E-03 A ₁₂ -3.23E-06 0.00E+00 2.46E-05 9.85E-05 A ₁₄ 0.00E+00 0.00E+00 -5.28E-07 -1.98E-04 A ₁₆ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 表面 35a 35b 37a 37b K -8.04E+00 -5.61E-01 -1.44E+01 3.50E-01 A ₂ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 A ₄ 2.81E-03 1.36E-03 4.73E-03 1.39E-02 A ₆ 4.96E-04 2.09E-03 1.74E-03 7.84E-04 A ₈ -3.04E-04 -4.36E-04 -2.47E-04 4.58E-04 A ₁₀ 2.53E-05 1.80E-05 2.02E-05 -2.41E-05 A ₁₂ 4.24E-07 3.62E-07 -1.12E-07 -1.18E-07 A ₁₄ 8.98E-07 0.00E+00 -4.35E-08 -1.09E-08 A ₁₆ 0.00E+00 0.00E+00 1.36E-09 -9.88E-10 表七 The detailed optical data and the aspheric coefficient of the lens surface of the optical imaging lens group 30 of the third embodiment are listed in Table 6 and Table 7 respectively. In the third embodiment, the curve equation of the aspheric surface is expressed in the form of the first embodiment. third embodiment EFL= 1.95 mm, Fno = 2.26, HFOV = 95 deg surface surface type Radius of curvature (mm) Distance (mm) Refractive index Dispersion coefficient focal length(mm) material subject unlimited unlimited first lens 31a sphere 7.467 0.500 1.813 46.6 -5.00 Glass 31b sphere 2.542 0.350 second lens 32a Aspherical 3.051 0.240 1.530 56.0 -6.85 plastic 32b Aspherical 1.609 1.375 third lens 33a Aspherical -2.250 0.589 1.530 56.3 -15.71 plastic 33b Aspherical -3.368 0.165 aperture ST flat unlimited 0.000 fourth lens 34a sphere 36.924 0.602 1.916 31.6 5.69 Glass 34b sphere -5.952 0.361 fifth lens 35a Aspherical 4.889 1.087 1.796 47.4 2.48 Glass 35b Aspherical -2.948 0.215 sixth lens 36a sphere -6.708 0.495 1.972 17.9 -2.55 Glass 36b sphere 3.985 0.228 seventh lens 37a Aspherical 5.017 1.388 1.536 56.0 3.86 plastic 37b Aspherical -3.157 1.167 filter element 38a flat unlimited 0.210 1.517 64.2 Glass 38b flat unlimited 1.245 imaging surface 39 flat unlimited Reference wavelength: 550 nm Table six Aspheric coefficient of the third embodiment surface 32a 32b 33a 33b K 1.15E+00 -7.03E-01 -7.96E-01 -1.32E+01 A ₂ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 A ₄ 2.98E-02 5.98E-02 -4.81E-03 -3.50E-02 A ₆ -9.75E-03 1.66E-02 1.47E-03 2.19E-02 A ₈ -5.81E-04 -9.43E-03 3.90E-03 -3.28E-05 A ₁₀ 7.17E-05 1.99E-03 -1.82E-03 -2.29E-03 A ₁₂ -3.23E-06 0.00E+00 2.46E-05 9.85E-05 A ₁₄ 0.00E+00 0.00E+00 -5.28E-07 -1.98E-04 A ₁₆ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 surface 35a 35b 37a 37b K -8.04E+00 -5.61E-01 -1.44E+01 3.50E-01 A ₂ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 A ₄ 2.81E-03 1.36E-03 4.73E-03 1.39E-02 A ₆ 4.96E-04 2.09E-03 1.74E-03 7.84E-04 A ₈ -3.04E-04 -4.36E-04 -2.47E-04 4.58E-04 A ₁₀ 2.53E-05 1.80E-05 2.02E-05 -2.41E-05 A ₁₂ 4.24E-07 3.62E-07 -1.12E-07 -1.18E-07 A ₁₄ 8.98E-07 0.00E+00 -4.35E-08 -1.09E-08 A ₁₆ 0.00E+00 0.00E+00 1.36E-09 -9.88E-10 Table Seven

在第三實施例中，光學攝像透鏡組30之各關係式的數值列於表八。由表八可知，第三實施例之光學攝像透鏡組30滿足關係式（1）至（13）的要求。關係式數值 f3/EFL -8.06 CT3/CT2 2.45 f34/EFL 3.88 f2/f1 1.37 f56/EFL 4.68 R12/R13 0.79 f5/EFL 1.27 f7/EFL 1.98 （R7+R8）/（R8-R7） -0.72 f1234 -11.82 f123/EFL -1.17 R3/R4 1.90 f4/EFL 2.92 TTL/AT23 7.43 表八 In the third embodiment, the values of the relational expressions of the optical imaging lens group 30 are listed in Table 8. It can be seen from Table 8 that the optical imaging lens group 30 of the third embodiment satisfies the requirements of relational expressions (1) to (13). Relational value f3/EFL -8.06 CT3/CT2 2.45 f34/EFL 3.88 f2/f1 1.37 f56/EFL 4.68 R12/R13 0.79 f5/EFL 1.27 f7/EFL 1.98 (R7+R8)/(R8-R7) -0.72 f1234 -11.82 f123/EFL -1.17 R3/R4 1.90 f4/EFL 2.92 TTL/AT23 7.43 table eight

參見圖3B，圖中由左至右分別為光學攝像透鏡組30之縱向球差圖、像散場曲像差圖及畸變像差圖。由縱向球差圖可以看出，三種可見光470nm、550nm及650nm波長在不同高度的離軸光線皆可集中於成像點附近，其成像點偏差可以控制在 +0.04mm以內。由像散場曲像差圖（波長550nm）可以看出，弧矢方向的像差在整個視場範圍內的焦距變化量在 +0.03mm以內；子午方向的像差在整個視場範圍內的焦距變化量在 +0.05mm以內；而畸變像差可以控制在5%以內。如圖3B所示，本實施例之光學攝像透鏡組30已良好地修正了各項像差，符合光學系統的成像品質要求。第四實施例 Referring to FIG. 3B , from left to right in the figure are the longitudinal spherical aberration diagram, the astigmatism field curvature aberration diagram and the distortion aberration diagram of the optical imaging lens group 30 . It can be seen from the longitudinal spherical aberration diagram that the off-axis rays of the three kinds of visible light wavelengths of 470nm, 550nm and 650nm at different heights can be concentrated near the imaging point, and the deviation of the imaging point can be controlled within + 0.04mm. From the astigmatism and field curvature aberration diagram (wavelength 550nm), it can be seen that the focal length variation of the sagittal direction aberration in the entire field of view is within + 0.03mm; The variation is within + 0.05mm; and the distortion aberration can be controlled within 5%. As shown in FIG. 3B , the optical imaging lens group 30 of this embodiment has well corrected various aberrations and meets the imaging quality requirements of the optical system. Fourth embodiment

參見圖4A及圖4B，圖4A為本發明第四實施例之光學攝像透鏡組之示意圖。圖4B由左至右依序為本發明第四實施例之縱向球差圖（Longitudinal Spherical Aberration）、像散場曲像差圖（Astigmatism/Field Curvature）及畸變像差圖（Distortion）。Referring to FIG. 4A and FIG. 4B, FIG. 4A is a schematic diagram of an optical imaging lens group according to a fourth embodiment of the present invention. Fig. 4B is, from left to right, the diagram of Longitudinal Spherical Aberration, Astigmatism/Field Curvature and Distortion of the fourth embodiment of the present invention.

如圖4A所示，第四實施例之光學攝像透鏡組40由物側至像側依序包含第一透鏡41、第二透鏡42、第三透鏡43、光圈ST、第四透鏡44、第五透鏡45、第六透鏡46及第七透鏡47。此光學攝像透鏡組40更可包含濾光元件48及成像面49。在成像面49上更可設置一影像感測元件400，以構成一成像裝置（未另標號）。As shown in Figure 4A, the optical imaging lens group 40 of the fourth embodiment includes a first lens 41, a second lens 42, a third lens 43, an aperture ST, a fourth lens 44, a fifth lens 45 , sixth lens 46 and seventh lens 47 . The optical camera lens group 40 can further include a filter element 48 and an imaging surface 49 . An image sensing element 400 can be further disposed on the imaging surface 49 to form an imaging device (not labeled otherwise).

第一透鏡41具有負屈折力，其物側面41a為凸面、像側面41b為凹面，且其物側面41a及像側面41b皆為球面。第一透鏡41之材質為玻璃。The first lens 41 has a negative refractive power, its object side 41 a is convex, its image side 41 b is concave, and both its object side 41 a and image side 41 b are spherical. The material of the first lens 41 is glass.

第二透鏡42 具有負屈折力，其物側面42a為凸面、像側面42b為凹面，且其物側面42a及像側面42b皆為非球面。第二透鏡42之材質為塑膠。The second lens 42 has a negative refractive power. The object side 42a is convex, the image side 42b is concave, and both the object side 42a and the image side 42b are aspherical. The material of the second lens 42 is plastic.

第三透鏡43具有負屈折力，其物側面43a為凹面、像側面43b為凸面，且物側面43a及像側面43b皆為非球面。第三透鏡43之材質為塑膠。The third lens 43 has negative refractive power, the object side 43a is concave, the image side 43b is convex, and both the object side 43a and the image side 43b are aspherical. The material of the third lens 43 is plastic.

第四透鏡44具有正屈折力，其物側面44a為凸面，其像側面44b為凸面，且其物側面44a及像側面44b皆為球面。第四透鏡44之材質為玻璃。The fourth lens 44 has a positive refractive power, its object side 44a is convex, its image side 44b is convex, and both its object side 44a and image side 44b are spherical. The material of the fourth lens 44 is glass.

第五透鏡45具有正屈折力，其物側面45a為凸面、像側面45b為凸面，且其物側面45a及像側面45b皆為非球面。第五透鏡45之材質為玻璃。The fifth lens 45 has positive refractive power, its object side 45 a is convex, its image side 45 b is convex, and both its object side 45 a and image side 45 b are aspherical. The material of the fifth lens 45 is glass.

第六透鏡46具有負屈折力，其物側面46a為凹面，其像側面46b為凹面，且其物側面46a及像側面46b皆為球面。第六透鏡46之材質為玻璃。The sixth lens 46 has a negative refractive power, its object side 46 a is concave, its image side 46 b is concave, and both its object side 46 a and image side 46 b are spherical. The sixth lens 46 is made of glass.

第七透鏡47具有正屈折力，其物側面47a為凸面、像側面47b為凸面，且其物側面47a及像側面47b皆為非球面。第七透鏡47之材質為塑膠。The seventh lens 47 has a positive refractive power, its object side 47 a is convex, its image side 47 b is convex, and both its object side 47 a and image side 47 b are aspherical. The material of the seventh lens 47 is plastic.

濾光元件48設置於第七透鏡47與成像面49之間，用以濾除特定波長區段的光線，例如是一紅外線濾除元件（IR Filter）。濾光元件48之二表面48a、48b皆為平面，其材質為玻璃。The filter element 48 is disposed between the seventh lens 47 and the imaging surface 49 to filter out light in a specific wavelength range, such as an infrared filter (IR Filter). The two surfaces 48a, 48b of the filter element 48 are both flat and made of glass.

影像感測元件（Image Sensor）400例如是電荷耦合元件影像感測元件（Charge-Coupled Device (CCD) Image Sensor）或互補式金屬氧化半導體感測元件（CMOS Image Sensor）。The image sensor (Image Sensor) 400 is, for example, a Charge-Coupled Device (CCD) Image Sensor or a Complementary Metal Oxide Semiconductor Sensor (CMOS Image Sensor).

第四實施例之光學攝像透鏡組40之詳細光學數據及透鏡表面之非球面係數分別列於表九及表十。在第四實施例中，非球面之曲線方程式表示如第一實施例的形式。第四實施例 EFL= 1.98 mm, Fno = 2.13, HFOV = 89 deg 　表面表面種類曲率半徑(mm) 距離(mm) 折射率色散係數焦距(mm) 材質被攝物　　無限無限　　　　第一透鏡 41a 球面 8.266 0.500 1.782 47.2 -4.90 玻璃 41b 球面 2.537 0.783 　　　　第二透鏡 42a 非球面 3.494 0.510 1.541 56.0 -6.84 塑膠 42b 非球面 1.702 0.854 　　　　第三透鏡 43a 非球面 -2.078 0.495 1.540 55.7 -17.76 塑膠 43b 非球面 -2.878 0.100 　　　　光圈 ST 平面無限 0.000 　　　第四透鏡 44a 球面 32.374 0.713 1.894 39.2 6.24 玻璃 44b 球面 -6.616 0.693 　　　　第五透鏡 45a 非球面 4.896 1.207 1.810 45.5 2.26 玻璃 45b 非球面 -2.582 0.279 　　　　第六透鏡 46a 球面 -4.741 0.563 1.972 18.0 -2.49 玻璃 46b 球面 5.086 0.336 　　　　第七透鏡 47a 非球面 4.895 1.472 1.536 55.8 3.98 塑膠 47b 非球面 -3.348 1.107 　　　　濾光元件 48a 平面無限 0.210 1.517 64.2 　玻璃 48b 平面無限 1.122 　　　　成像面 49 平面無限　　　　　參考波長：550 nm 表九第四實施例之非球面係數表面 42a 42b 43a 43b K -1.87E+00 -1.19E+00 -5.10E-01 -1.13E+01 A ₂ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 A ₄ 2.19E-02 3.98E-02 -1.27E-02 -4.80E-02 A ₆ -9.15E-03 6.53E-03 -4.53E-03 1.76E-02 A ₈ 2.35E-04 -2.21E-02 1.14E-02 1.80E-02 A ₁₀ 9.71E-05 2.00E-03 -5.16E-04 -6.36E-03 A ₁₂ 1.88E-05 0.00E+00 -8.41E-04 -6.28E-03 A ₁₄ 0.00E+00 0.00E+00 3.38E-04 5.99E-03 A ₁₆ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 表面 45a 45b 47a 47b K -6.98E+00 -8.64E-01 -6.48E+00 1.68E-01 A ₂ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 A ₄ 3.82E-03 3.86E-03 5.63E-03 1.73E-02 A ₆ 1.19E-03 2.77E-03 1.87E-03 8.59E-04 A ₈ 4.00E-05 -5.77E-04 -2.80E-04 4.39E-04 A ₁₀ 4.19E-05 2.23E-05 1.01E-05 -3.03E-05 A ₁₂ -1.78E-05 7.77E-05 -6.45E-07 -3.81E-06 A ₁₄ 1.55E-05 0.00E+00 1.97E-07 -7.28E-07 A ₁₆ 0.00E+00 0.00E+00 -2.80E-08 8.07E-08 表十 The detailed optical data and aspheric coefficients of the lens surface of the optical imaging lens group 40 of the fourth embodiment are listed in Table 9 and Table 10, respectively. In the fourth embodiment, the curve equation of the aspheric surface is expressed in the form of the first embodiment. Fourth embodiment EFL= 1.98 mm, Fno = 2.13, HFOV = 89 deg surface surface type Radius of curvature (mm) Distance (mm) Refractive index Dispersion coefficient focal length(mm) material subject unlimited unlimited first lens 41a sphere 8.266 0.500 1.782 47.2 -4.90 Glass 41b sphere 2.537 0.783 second lens 42a Aspherical 3.494 0.510 1.541 56.0 -6.84 plastic 42b Aspherical 1.702 0.854 third lens 43a Aspherical -2.078 0.495 1.540 55.7 -17.76 plastic 43b Aspherical -2.878 0.100 aperture ST flat unlimited 0.000 fourth lens 44a sphere 32.374 0.713 1.894 39.2 6.24 Glass 44b sphere -6.616 0.693 fifth lens 45a Aspherical 4.896 1.207 1.810 45.5 2.26 Glass 45b Aspherical -2.582 0.279 sixth lens 46a sphere -4.741 0.563 1.972 18.0 -2.49 Glass 46b sphere 5.086 0.336 seventh lens 47a Aspherical 4.895 1.472 1.536 55.8 3.98 plastic 47b Aspherical -3.348 1.107 filter element 48a flat unlimited 0.210 1.517 64.2 Glass 48b flat unlimited 1.122 imaging surface 49 flat unlimited Reference wavelength: 550 nm Table nine The aspheric coefficient of the fourth embodiment surface 42a 42b 43a 43b K -1.87E+00 -1.19E+00 -5.10E-01 -1.13E+01 A ₂ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 A ₄ 2.19E-02 3.98E-02 -1.27E-02 -4.80E-02 A ₆ -9.15E-03 6.53E-03 -4.53E-03 1.76E-02 A ₈ 2.35E-04 -2.21E-02 1.14E-02 1.80E-02 A ₁₀ 9.71E-05 2.00E-03 -5.16E-04 -6.36E-03 A ₁₂ 1.88E-05 0.00E+00 -8.41E-04 -6.28E-03 A ₁₄ 0.00E+00 0.00E+00 3.38E-04 5.99E-03 A ₁₆ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 surface 45a 45b 47a 47b K -6.98E+00 -8.64E-01 -6.48E+00 1.68E-01 A ₂ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 A ₄ 3.82E-03 3.86E-03 5.63E-03 1.73E-02 A ₆ 1.19E-03 2.77E-03 1.87E-03 8.59E-04 A ₈ 4.00E-05 -5.77E-04 -2.80E-04 4.39E-04 A ₁₀ 4.19E-05 2.23E-05 1.01E-05 -3.03E-05 A ₁₂ -1.78E-05 7.77E-05 -6.45E-07 -3.81E-06 A ₁₄ 1.55E-05 0.00E+00 1.97E-07 -7.28E-07 A ₁₆ 0.00E+00 0.00E+00 -2.80E-08 8.07E-08 table ten

在第四實施例中，光學攝像透鏡組40之各關係式的數值列於表十一。由表十一可知，第四實施例之光學攝像透鏡組40滿足關係式（1）至（13）的要求。關係式數值 f3/EFL -8.96 CT3/CT2 0.97 f34/EFL 4.17 f2/f1 1.40 f56/EFL 3.18 R12/R13 1.04 f5/EFL 1.14 f7/EFL 2.01 （R7+R8）/（R8-R7） -0.66 f1234 -6.93 f123/EFL -1.12 R3/R4 2.05 f4/EFL 3.15 TTL/AT23 12.82 表十一 In the fourth embodiment, the values of the relational expressions of the optical imaging lens group 40 are listed in Table 11. It can be known from Table 11 that the optical imaging lens group 40 of the fourth embodiment satisfies the requirements of relational expressions (1) to (13). Relational value f3/EFL -8.96 CT3/CT2 0.97 f34/EFL 4.17 f2/f1 1.40 f56/EFL 3.18 R12/R13 1.04 f5/EFL 1.14 f7/EFL 2.01 (R7+R8)/(R8-R7) -0.66 f1234 -6.93 f123/EFL -1.12 R3/R4 2.05 f4/EFL 3.15 TTL/AT23 12.82 Table Eleven

參見圖4B，圖中由左至右分別為光學攝像透鏡組40之縱向球差圖、像散場曲像差圖及畸變像差圖。由縱向球差圖可以看出，三種可見光470nm、550nm及650nm波長在不同高度的離軸光線皆可集中於成像點附近，其成像點偏差可以控制在 +0.05mm以內。由像散場曲像差圖（波長550nm）可以看出，弧矢方向的像差在整個視場範圍內的焦距變化量在 +0.06mm以內；子午方向的像差在整個視場範圍內的焦距變化量在 +0.08mm以內；而畸變像差可以控制在6%以內。如圖4B所示，本實施例之光學攝像透鏡組40已良好地修正了各項像差，符合光學系統的成像品質要求。第五實施例 Referring to FIG. 4B , from left to right in the figure are the longitudinal spherical aberration diagram, the astigmatism field curvature aberration diagram and the distortion aberration diagram of the optical imaging lens group 40 . It can be seen from the longitudinal spherical aberration diagram that the off-axis rays of the three visible light wavelengths of 470nm, 550nm and 650nm at different heights can be concentrated near the imaging point, and the deviation of the imaging point can be controlled within + 0.05mm. From the astigmatism and field curvature aberration diagram (wavelength 550nm), it can be seen that the focal length variation of the sagittal direction aberration within the entire field of view is within + 0.06mm; the meridian direction aberration within the focal length of the entire field of view The variation is within + 0.08mm; and the distortion aberration can be controlled within 6%. As shown in FIG. 4B , the optical imaging lens group 40 of this embodiment has well corrected various aberrations and meets the imaging quality requirements of the optical system. fifth embodiment

參見圖5A及圖5B，圖5A為本發明第五實施例之光學攝像透鏡組之示意圖。圖5B由左至右依序為本發明第五實施例之縱向球差圖（Longitudinal Spherical Aberration）、像散場曲像差圖（Astigmatism/Field Curvature）及畸變像差圖（Distortion）。Referring to FIG. 5A and FIG. 5B , FIG. 5A is a schematic diagram of an optical imaging lens group according to a fifth embodiment of the present invention. Fig. 5B is, from left to right, the diagram of Longitudinal Spherical Aberration, Astigmatism/Field Curvature and Distortion of the fifth embodiment of the present invention.

如圖5A所示，第五實施例之光學攝像透鏡組50由物側至像側依序包含第一透鏡51、第二透鏡52、第三透鏡53、光圈ST、第四透鏡54、第五透鏡55、第六透鏡56及第七透鏡57。此光學攝像透鏡組50更可包含濾光元件58及成像面59。在成像面59上更可設置一影像感測元件500，以構成一成像裝置（未另標號）。As shown in FIG. 5A, the optical imaging lens group 50 of the fifth embodiment includes a first lens 51, a second lens 52, a third lens 53, an aperture ST, a fourth lens 54, and a fifth lens in sequence from the object side to the image side. lens 55 , sixth lens 56 and seventh lens 57 . The optical imaging lens group 50 can further include a filter element 58 and an imaging surface 59 . An image sensing element 500 can be further disposed on the imaging surface 59 to form an imaging device (not otherwise labeled).

第一透鏡51具有負屈折力，其物側面51a為凸面、像側面51b為凹面，且其物側面51a及像側面51b皆為球面。第一透鏡51之材質為玻璃。The first lens 51 has a negative refractive power, its object side 51 a is convex, its image side 51 b is concave, and both its object side 51 a and image side 51 b are spherical. The material of the first lens 51 is glass.

第二透鏡52 具有負屈折力，其物側面52a為凸面、像側面52b為凹面，且其物側面52a及像側面52b皆為非球面。第二透鏡52之材質為塑膠。The second lens 52 has negative refractive power, its object side 52 a is convex, its image side 52 b is concave, and its object side 52 a and image side 52 b are both aspherical. The material of the second lens 52 is plastic.

第三透鏡53具有負屈折力，其物側面53a為凹面、像側面53b為凸面，且物側面53a及像側面53b皆為非球面。第三透鏡53之材質為塑膠。The third lens 53 has a negative refractive power, the object side 53a is concave, the image side 53b is convex, and both the object side 53a and the image side 53b are aspherical. The material of the third lens 53 is plastic.

第四透鏡54具有正屈折力，其物側面54a為凸面，其像側面54b為凸面，且其物側面54a及像側面54b皆為球面。第四透鏡54之材質為玻璃。The fourth lens 54 has positive refractive power, its object side 54 a is convex, its image side 54 b is convex, and its object side 54 a and image side 54 b are both spherical. The material of the fourth lens 54 is glass.

第五透鏡55具有正屈折力，其物側面55a為凸面、像側面55b為凸面，且其物側面55a及像側面55b皆為非球面。第五透鏡55之材質為玻璃。The fifth lens 55 has a positive refractive power, its object side 55 a is convex, its image side 55 b is convex, and both its object side 55 a and image side 55 b are aspherical. The material of the fifth lens 55 is glass.

第六透鏡56具有負屈折力，其物側面56a為凹面，其像側面56b為凹面，且其物側面56a及像側面56b皆為球面。第六透鏡56之材質為玻璃。The sixth lens 56 has negative refractive power, its object side 56 a is concave, its image side 56 b is concave, and its object side 56 a and image side 56 b are both spherical. The sixth lens 56 is made of glass.

第七透鏡57具有正屈折力，其物側面57a為凸面、像側面57b為凸面，且其物側面57a及像側面57b皆為非球面。第七透鏡57之材質為塑膠。The seventh lens 57 has positive refractive power, its object side 57 a is convex, its image side 57 b is convex, and its object side 57 a and image side 57 b are both aspherical. The material of the seventh lens 57 is plastic.

濾光元件58設置於第七透鏡57與成像面59之間，用以濾除特定波長區段的光線，例如是一紅外線濾除元件（IR Filter）。濾光元件58之二表面58a、58b皆為平面，其材質為玻璃。The filter element 58 is disposed between the seventh lens 57 and the imaging surface 59 to filter out light in a specific wavelength range, such as an infrared filter (IR Filter). The two surfaces 58a, 58b of the filter element 58 are both flat and made of glass.

影像感測元件（Image Sensor）500例如是電荷耦合元件影像感測元件（Charge-Coupled Device (CCD) Image Sensor）或互補式金屬氧化半導體感測元件（CMOS Image Sensor）。The image sensor (Image Sensor) 500 is, for example, a Charge-Coupled Device (CCD) Image Sensor or a Complementary Metal Oxide Semiconductor Sensor (CMOS Image Sensor).

第五實施例之光學攝像透鏡組50之詳細光學數據及透鏡表面之非球面係數分別列於表十二及表十三。在第五實施例中，非球面之曲線方程式表示如第一實施例的形式。第五實施例 EFL= 2.14 mm, Fno = 2.34, HFOV = 95 deg 　表面表面種類曲率半徑(mm) 距離 (mm) 折射率色散係數焦距 (mm) 材質被攝物　　無限無限　　　　第一透鏡 51a 球面 12.566 0.500 1.772 48.5 -5.23 玻璃 51b 球面 2.991 0.140 　　　　第二透鏡 52a 非球面 3.181 0.485 1.514 56.5 -8.08 塑膠 52b 非球面 1.705 1.279 　　　　第三透鏡 53a 非球面 -2.030 0.499 1.542 55.9 -7.84 塑膠 53b 非球面 -4.238 0.189 　　　　光圈 ST 平面無限 0.000 　　　第四透鏡 54a 球面 6.532 0.560 1.918 29.8 5.34 玻璃 54b 球面 -18.215 0.411 　　　　第五透鏡 55a 非球面 3.954 1.221 1.780 49.6 2.32 玻璃 55b 非球面 -2.847 0.218 　　　　第六透鏡 56a 球面 -4.813 0.641 1.972 17.9 -2.51 玻璃 56b 球面 5.089 0.275 　　　　第七透鏡 57a 非球面 5.108 1.375 1.544 56.1 3.76 塑膠 57b 非球面 -3.057 1.270 　　　　濾光元件 58a 平面無限 0.210 1.517 64.2 　玻璃 58b 平面無限 1.255 　　　　成像面 59 平面無限　　　　　參考波長：550 nm 表十二第五實施例之非球面係數表面 52a 52b 53a 53b K 2.68E-01 -7.11E-01 -1.05E+00 -2.01E+01 A ₂ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 A ₄ 3.50E-02 6.35E-02 -2.96E-03 -3.26E-02 A ₆ -6.38E-03 9.88E-03 2.06E-03 2.07E-02 A ₈ -3.99E-04 -1.26E-02 4.75E-03 1.97E-03 A ₁₀ 9.10E-05 2.89E-03 -1.43E-03 -1.50E-03 A ₁₂ -1.64E-26 0.00E+00 2.03E-22 6.62E-23 A ₁₄ 0.00E+00 0.00E+00 -4.12E-27 -5.21E-28 A ₁₆ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 表面 55a 55b 57a 57b K -8.36E+00 -5.59E-01 -1.08E+01 2.84E-01 A ₂ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 A ₄ 2.66E-03 1.38E-03 5.00E-03 1.84E-02 A ₆ 4.68E-04 2.40E-03 1.73E-03 6.85E-04 A ₈ -2.70E-04 -4.01E-04 -2.43E-04 4.47E-04 A ₁₀ 2.64E-05 1.52E-05 2.03E-05 -2.37E-05 A ₁₂ -1.76E-24 2.26E-24 1.88E-26 -9.90E-08 A ₁₄ -4.48E-29 0.00E+00 3.64E-31 3.64E-31 A ₁₆ 0.00E+00 0.00E+00 3.85E-34 3.85E-34 表十三 The detailed optical data and aspheric coefficients of the lens surface of the optical imaging lens group 50 of the fifth embodiment are listed in Table 12 and Table 13, respectively. In the fifth embodiment, the curve equation of the aspheric surface is expressed in the form of the first embodiment. fifth embodiment EFL= 2.14 mm, Fno = 2.34, HFOV = 95 deg surface surface type Radius of curvature (mm) Distance (mm) Refractive index Dispersion coefficient focal length(mm) material subject unlimited unlimited first lens 51a sphere 12.566 0.500 1.772 48.5 -5.23 Glass 51b sphere 2.991 0.140 second lens 52a Aspherical 3.181 0.485 1.514 56.5 -8.08 plastic 52b Aspherical 1.705 1.279 third lens 53a Aspherical -2.030 0.499 1.542 55.9 -7.84 plastic 53b Aspherical -4.238 0.189 aperture ST flat unlimited 0.000 fourth lens 54a sphere 6.532 0.560 1.918 29.8 5.34 Glass 54b sphere -18.215 0.411 fifth lens 55a Aspherical 3.954 1.221 1.780 49.6 2.32 Glass 55b Aspherical -2.847 0.218 sixth lens 56a sphere -4.813 0.641 1.972 17.9 -2.51 Glass 56b sphere 5.089 0.275 seventh lens 57a Aspherical 5.108 1.375 1.544 56.1 3.76 plastic 57b Aspherical -3.057 1.270 filter element 58a flat unlimited 0.210 1.517 64.2 Glass 58b flat unlimited 1.255 imaging surface 59 flat unlimited Reference wavelength: 550 nm Table 12 Aspherical coefficient of the fifth embodiment surface 52a 52b 53a 53b K 2.68E-01 -7.11E-01 -1.05E+00 -2.01E+01 A ₂ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 A ₄ 3.50E-02 6.35E-02 -2.96E-03 -3.26E-02 A ₆ -6.38E-03 9.88E-03 2.06E-03 2.07E-02 A ₈ -3.99E-04 -1.26E-02 4.75E-03 1.97E-03 A ₁₀ 9.10E-05 2.89E-03 -1.43E-03 -1.50E-03 A ₁₂ -1.64E-26 0.00E+00 2.03E-22 6.62E-23 A ₁₄ 0.00E+00 0.00E+00 -4.12E-27 -5.21E-28 A ₁₆ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 surface 55a 55b 57a 57b K -8.36E+00 -5.59E-01 -1.08E+01 2.84E-01 A ₂ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 A ₄ 2.66E-03 1.38E-03 5.00E-03 1.84E-02 A ₆ 4.68E-04 2.40E-03 1.73E-03 6.85E-04 A ₈ -2.70E-04 -4.01E-04 -2.43E-04 4.47E-04 A ₁₀ 2.64E-05 1.52E-05 2.03E-05 -2.37E-05 A ₁₂ -1.76E-24 2.26E-24 1.88E-26 -9.90E-08 A ₁₄ -4.48E-29 0.00E+00 3.64E-31 3.64E-31 A ₁₆ 0.00E+00 0.00E+00 3.85E-34 3.85E-34 Table 13

在第五實施例中，光學攝像透鏡組50之各關係式的數值列於表十四。由表十四可知，第五實施例之光學攝像透鏡組50滿足關係式（1）至（13）的要求。關係式數值 f3/EFL -3.66 CT3/CT2 1.03 f34/EFL 5.70 f2/f1 1.54 f56/EFL 3.10 R12/R13 0.99 f5/EFL 1.08 f7/EFL 1.76 （R7+R8）/（R8-R7） 0.47 f1234 -6.04 f123/EFL -0.93 R3/R4 1.87 f4/EFL 2.50 TTL/AT23 8.23 表十四 In the fifth embodiment, the values of the relational expressions of the optical imaging lens group 50 are listed in Table 14. It can be seen from Table 14 that the optical imaging lens group 50 of the fifth embodiment satisfies the requirements of relational expressions (1) to (13). Relational value f3/EFL -3.66 CT3/CT2 1.03 f34/EFL 5.70 f2/f1 1.54 f56/EFL 3.10 R12/R13 0.99 f5/EFL 1.08 f7/EFL 1.76 (R7+R8)/(R8-R7) 0.47 f1234 -6.04 f123/EFL -0.93 R3/R4 1.87 f4/EFL 2.50 TTL/AT23 8.23 Table Fourteen

參見圖5B，圖中由左至右分別為光學攝像透鏡組50之縱向球差圖、像散場曲像差圖及畸變像差圖。由縱向球差圖可以看出，三種可見光470nm、550nm及650nm波長在不同高度的離軸光線皆可集中於成像點附近，其成像點偏差可以控制在 +0.05mm以內。由像散場曲像差圖（波長550nm）可以看出，弧矢方向的像差在整個視場範圍內的焦距變化量在 +0.04mm以內；子午方向的像差在整個視場範圍內的焦距變化量在 +0.04mm以內；而畸變像差可以控制在13%以內。如圖5B所示，本實施例之光學攝像透鏡組50已良好地修正了各項像差，符合光學系統的成像品質要求。第六實施例 Referring to FIG. 5B , from left to right in the figure are the longitudinal spherical aberration diagram, the astigmatism field curvature aberration diagram and the distortion aberration diagram of the optical imaging lens group 50 . It can be seen from the longitudinal spherical aberration diagram that the off-axis rays of the three visible light wavelengths of 470nm, 550nm and 650nm at different heights can be concentrated near the imaging point, and the deviation of the imaging point can be controlled within + 0.05mm. From the astigmatism and field curvature aberration diagram (wavelength 550nm), it can be seen that the focal length variation of the sagittal direction aberration in the entire field of view is within + 0.04mm; The variation is within + 0.04mm; and the distortion aberration can be controlled within 13%. As shown in FIG. 5B , the optical imaging lens group 50 of this embodiment has well corrected various aberrations and meets the imaging quality requirements of the optical system. Sixth embodiment

參見圖6A及圖6B，圖6A為本發明第六實施例之光學攝像透鏡組之示意圖。圖6B由左至右依序為本發明第六實施例之縱向球差圖（Longitudinal Spherical Aberration）、像散場曲像差圖（Astigmatism/Field Curvature）及畸變像差圖（Distortion）。Referring to FIG. 6A and FIG. 6B , FIG. 6A is a schematic diagram of an optical imaging lens group according to a sixth embodiment of the present invention. Fig. 6B is, from left to right, the diagram of Longitudinal Spherical Aberration, Astigmatism/Field Curvature and Distortion of the sixth embodiment of the present invention.

如圖6A所示，第六實施例之光學攝像透鏡組60由物側至像側依序包含第一透鏡61、第二透鏡62、第三透鏡63、光圈ST、第四透鏡64、第五透鏡65、第六透鏡66及第七透鏡67。此光學攝像透鏡組60更可包含濾光元件68及成像面69。在成像面69上更可設置一影像感測元件600，以構成一成像裝置（未另標號）。As shown in FIG. 6A, the optical imaging lens group 60 of the sixth embodiment includes a first lens 61, a second lens 62, a third lens 63, an aperture ST, a fourth lens 64, and a fifth lens in sequence from the object side to the image side. lens 65 , sixth lens 66 and seventh lens 67 . The optical camera lens group 60 can further include a filter element 68 and an imaging surface 69 . An image sensing element 600 can be further disposed on the imaging surface 69 to form an imaging device (not labeled otherwise).

第一透鏡61具有負屈折力，其物側面61a為凸面、像側面61b為凹面，且其物側面61a及像側面61b皆為球面。第一透鏡61之材質為玻璃。The first lens 61 has a negative refractive power, its object side 61 a is convex, its image side 61 b is concave, and both its object side 61 a and image side 61 b are spherical. The material of the first lens 61 is glass.

第二透鏡62 具有負屈折力，其物側面62a為凸面、像側面62b為凹面，且其物側面62a及像側面62b皆為非球面。第二透鏡62之材質為塑膠。The second lens 62 has negative refractive power, its object side 62 a is convex, its image side 62 b is concave, and its object side 62 a and image side 62 b are both aspherical. The material of the second lens 62 is plastic.

第三透鏡63具有負屈折力，其物側面63a為凹面、像側面63b為凸面，且物側面63a及像側面63b皆為非球面。第三透鏡63之材質為塑膠。The third lens 63 has negative refractive power, the object side 63a is concave, the image side 63b is convex, and both the object side 63a and the image side 63b are aspherical. The material of the third lens 63 is plastic.

第四透鏡64具有正屈折力，其物側面64a為凸面，其像側面64b為凸面，且其物側面64a及像側面64b皆為球面。第四透鏡64之材質為玻璃。The fourth lens 64 has positive refractive power, its object side 64 a is convex, its image side 64 b is convex, and its object side 64 a and image side 64 b are both spherical. The material of the fourth lens 64 is glass.

第五透鏡65具有正屈折力，其物側面65a為凸面、像側面65b為凸面，且其物側面65a及像側面65b皆為非球面。第五透鏡65之材質為玻璃。The fifth lens 65 has positive refractive power, its object side 65 a is convex, its image side 65 b is convex, and both its object side 65 a and image side 65 b are aspherical. The material of the fifth lens 65 is glass.

第六透鏡66具有負屈折力，其物側面66a為凹面，其像側面66b為凹面，且其物側面66a及像側面66b皆為球面。第六透鏡66之材質為玻璃。The sixth lens 66 has negative refractive power, its object side 66 a is concave, its image side 66 b is concave, and its object side 66 a and image side 66 b are both spherical. The sixth lens 66 is made of glass.

第七透鏡67具有正屈折力，其物側面67a為凸面、像側面67b為凸面，且其物側面67a及像側面67b皆為非球面。第七透鏡67之材質為塑膠。The seventh lens 67 has positive refractive power, its object side 67 a is convex, its image side 67 b is convex, and its object side 67 a and image side 67 b are both aspherical. The material of the seventh lens 67 is plastic.

濾光元件68設置於第七透鏡67與成像面69之間，用以濾除特定波長區段的光線，例如是一紅外線濾除元件（IR Filter）。濾光元件68之二表面68a、68b皆為平面，其材質為玻璃。The filter element 68 is disposed between the seventh lens 67 and the imaging surface 69 to filter out light in a specific wavelength range, such as an infrared filter (IR Filter). The two surfaces 68a, 68b of the filter element 68 are both flat and made of glass.

影像感測元件（Image Sensor）600例如是電荷耦合元件影像感測元件（Charge-Coupled Device (CCD) Image Sensor）或互補式金屬氧化半導體感測元件（CMOS Image Sensor）。The image sensor (Image Sensor) 600 is, for example, a Charge-Coupled Device (CCD) Image Sensor or a Complementary Metal Oxide Semiconductor Sensor (CMOS Image Sensor).

第六實施例之光學攝像透鏡組60之詳細光學數據及透鏡表面之非球面係數分別列於表十五及表十六。在第六實施例中，非球面之曲線方程式表示如第一實施例的形式。第六實施例 EFL= 2.36 mm, Fno = 2.43, HFOV = 95 deg 　表面表面種類曲率半徑(mm) 距離(mm) 折射率色散係數焦距(mm) 材質被攝物　　無限無限　　　　第一透鏡 61a 球面 12.566 0.500 1.813 46.6 -4.56 玻璃 61b 球面 2.797 0.300 　　　　第二透鏡 62a 非球面 4.116 0.426 1.541 56.0 -14.67 塑膠 62b 非球面 2.608 0.939 　　　　第三透鏡 63a 非球面 -1.996 0.346 1.542 55.9 -6.66 塑膠 63b 非球面 -4.765 0.329 　　　　光圈 ST 平面無限 0.000 　　第四透鏡 64a 球面 6.694 0.849 1.918 31.3 4.67 玻璃 64b 球面 -10.920 0.313 　　　　第五透鏡 65a 非球面 4.052 0.814 1.782 49.6 2.54 玻璃 65b 非球面 -3.509 0.189 　　　　第六透鏡 66a 球面 -8.226 0.705 1.972 17.9 -2.79 玻璃 66b 球面 4.129 0.284 　　　　第七透鏡 67a 非球面 7.006 1.169 1.541 56.0 4.09 塑膠 67b 非球面 -3.021 1.435 　　　　濾光元件 68a 平面無限 0.210 1.517 64.2 　玻璃 68b 平面無限 1.448 　　　　成像面 69 平面無限　　　　　參考波長：550 nm　　表十五第六實施例之非球面係數表面 62a 62b 63a 63b K 2.92E+00 -1.46E+00 -1.13E+00 -3.34E+01 A ₂ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 A ₄ 2.65E-02 5.42E-02 -1.23E-03 -2.88E-02 A ₆ -6.30E-03 6.53E-03 4.15E-03 2.70E-02 A ₈ -6.01E-04 -1.30E-02 4.38E-03 1.42E-03 A ₁₀ 4.30E-05 3.00E-03 -1.71E-03 -2.26E-03 A ₁₂ 5.28E-29 0.00E+00 1.59E-22 5.41E-23 A ₁₄ 0.00E+00 0.00E+00 -6.05E-27 -5.67E-28 A ₁₆ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 表面 65a 65b 67a 67b K -9.02E+00 -3.88E-01 -6.86E+00 2.23E-01 A ₂ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 A ₄ 3.35E-03 1.08E-03 5.48E-03 1.72E-02 A ₆ 4.57E-04 2.29E-03 1.77E-03 9.82E-04 A ₈ -2.69E-04 -3.86E-04 -2.44E-04 4.56E-04 A ₁₀ 3.25E-05 2.66E-05 2.05E-05 -2.37E-05 A ₁₂ -1.79E-24 2.26E-24 1.88E-26 -3.01E-07 A ₁₄ -4.44E-29 0.00E+00 3.64E-31 3.64E-31 A ₁₆ 0.00E+00 0.00E+00 3.85E-34 3.85E-34 表十六 The detailed optical data and aspheric coefficients of the lens surface of the optical imaging lens group 60 of the sixth embodiment are listed in Table 15 and Table 16, respectively. In the sixth embodiment, the curve equation of the aspheric surface is expressed in the form of the first embodiment. Sixth embodiment EFL= 2.36 mm, Fno = 2.43, HFOV = 95 deg surface surface type Radius of curvature (mm) Distance (mm) Refractive index Dispersion coefficient focal length(mm) material subject unlimited unlimited first lens 61a sphere 12.566 0.500 1.813 46.6 -4.56 Glass 61b sphere 2.797 0.300 second lens 62a Aspherical 4.116 0.426 1.541 56.0 -14.67 plastic 62b Aspherical 2.608 0.939 third lens 63a Aspherical -1.996 0.346 1.542 55.9 -6.66 plastic 63b Aspherical -4.765 0.329 aperture ST flat unlimited 0.000 fourth lens 64a sphere 6.694 0.849 1.918 31.3 4.67 Glass 64b sphere -10.920 0.313 fifth lens 65a Aspherical 4.052 0.814 1.782 49.6 2.54 Glass 65b Aspherical -3.509 0.189 sixth lens 66a sphere -8.226 0.705 1.972 17.9 -2.79 Glass 66b sphere 4.129 0.284 seventh lens 67a Aspherical 7.006 1.169 1.541 56.0 4.09 plastic 67b Aspherical -3.021 1.435 filter element 68a flat unlimited 0.210 1.517 64.2 Glass 68b flat unlimited 1.448 imaging surface 69 flat unlimited Reference wavelength: 550 nm Table 15 Aspheric Coefficient of the Sixth Embodiment surface 62a 62b 63a 63b K 2.92E+00 -1.46E+00 -1.13E+00 -3.34E+01 A ₂ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 A ₄ 2.65E-02 5.42E-02 -1.23E-03 -2.88E-02 A ₆ -6.30E-03 6.53E-03 4.15E-03 2.70E-02 A ₈ -6.01E-04 -1.30E-02 4.38E-03 1.42E-03 A ₁₀ 4.30E-05 3.00E-03 -1.71E-03 -2.26E-03 A ₁₂ 5.28E-29 0.00E+00 1.59E-22 5.41E-23 A ₁₄ 0.00E+00 0.00E+00 -6.05E-27 -5.67E-28 A ₁₆ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 surface 65a 65b 67a 67b K -9.02E+00 -3.88E-01 -6.86E+00 2.23E-01 A ₂ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 A ₄ 3.35E-03 1.08E-03 5.48E-03 1.72E-02 A ₆ 4.57E-04 2.29E-03 1.77E-03 9.82E-04 A ₈ -2.69E-04 -3.86E-04 -2.44E-04 4.56E-04 A ₁₀ 3.25E-05 2.66E-05 2.05E-05 -2.37E-05 A ₁₂ -1.79E-24 2.26E-24 1.88E-26 -3.01E-07 A ₁₄ -4.44E-29 0.00E+00 3.64E-31 3.64E-31 A ₁₆ 0.00E+00 0.00E+00 3.85E-34 3.85E-34 Table 16

在第六實施例中，光學攝像透鏡組60之各關係式的數值列於表十七。由表十七可知，第六實施例之光學攝像透鏡組60滿足關係式（1）至（13）的要求。關係式數值 f3/EFL -2.82 CT3/CT2 0.81 f34/EFL 4.56 f2/f1 3.22 f56/EFL 3.34 R12/R13 0.59 f5/EFL 1.08 f7/EFL 1.73 （R7+R8）/（R8-R7） 0.24 f1234 -8.14 f123/EFL -0.85 R3/R4 1.58 f4/EFL 1.98 TTL/AT23 10.93 表十七 In the sixth embodiment, the values of the relational expressions of the optical imaging lens group 60 are listed in Table 17. It can be seen from Table 17 that the optical imaging lens group 60 of the sixth embodiment satisfies the requirements of relational expressions (1) to (13). Relational value f3/EFL -2.82 CT3/CT2 0.81 f34/EFL 4.56 f2/f1 3.22 f56/EFL 3.34 R12/R13 0.59 f5/EFL 1.08 f7/EFL 1.73 (R7+R8)/(R8-R7) 0.24 f1234 -8.14 f123/EFL -0.85 R3/R4 1.58 f4/EFL 1.98 TTL/AT23 10.93 Table 17

參見圖6B，圖中由左至右分別為光學攝像透鏡組60之縱向球差圖、像散場曲像差圖及畸變像差圖。由縱向球差圖可以看出，三種可見光470nm、550nm及650nm波長在不同高度的離軸光線皆可集中於成像點附近，其成像點偏差可以控制在 +0.03mm以內。由像散場曲像差圖（波長550nm）可以看出，弧矢方向的像差在整個視場範圍內的焦距變化量在 +0.03mm以內；子午方向的像差在整個視場範圍內的焦距變化量在 +0.04mm以內；而畸變像差可以控制在21%以內。如圖6B所示，本實施例之光學攝像透鏡組60已良好地修正了各項像差，符合光學系統的成像品質要求。第七實施例 Referring to FIG. 6B , from left to right in the figure are the longitudinal spherical aberration diagram, the astigmatism field curvature aberration diagram and the distortion aberration diagram of the optical imaging lens group 60 . It can be seen from the longitudinal spherical aberration diagram that the off-axis rays of the three visible light wavelengths of 470nm, 550nm and 650nm at different heights can be concentrated near the imaging point, and the deviation of the imaging point can be controlled within + 0.03mm. From the astigmatism and field curvature aberration diagram (wavelength 550nm), it can be seen that the focal length variation of the sagittal direction aberration in the entire field of view is within + 0.03mm; The variation is within + 0.04mm; and the distortion aberration can be controlled within 21%. As shown in FIG. 6B , the optical imaging lens group 60 of this embodiment has well corrected various aberrations and meets the imaging quality requirements of the optical system. Seventh embodiment

參見圖7A及圖7B，圖7A為本發明第七實施例之光學攝像透鏡組之示意圖。圖7B由左至右依序為本發明第七實施例之縱向球差圖（Longitudinal Spherical Aberration）、像散場曲像差圖（Astigmatism/Field Curvature）及畸變像差圖（Distortion）。Referring to FIG. 7A and FIG. 7B, FIG. 7A is a schematic diagram of an optical imaging lens group according to a seventh embodiment of the present invention. Fig. 7B is, from left to right, the diagram of Longitudinal Spherical Aberration, Astigmatism/Field Curvature and Distortion of the seventh embodiment of the present invention.

如圖7A所示，第七實施例之光學攝像透鏡組70由物側至像側依序包含第一透鏡71、第二透鏡72、第三透鏡73、光圈ST、第四透鏡74、第五透鏡75、第六透鏡76及第七透鏡77。此光學攝像透鏡組70更可包含濾光元件78及成像面79。在成像面79上更可設置一影像感測元件700，以構成一成像裝置（未另標號）。As shown in Figure 7A, the optical imaging lens group 70 of the seventh embodiment includes a first lens 71, a second lens 72, a third lens 73, a diaphragm ST, a fourth lens 74, a fifth lens 75 , sixth lens 76 and seventh lens 77 . The optical camera lens group 70 can further include a filter element 78 and an imaging surface 79 . An image sensing element 700 can be further disposed on the imaging surface 79 to form an imaging device (not otherwise labeled).

第一透鏡71具有負屈折力，其物側面71a為凸面、像側面71b為凹面，且其物側面71a及像側面71b皆為球面。第一透鏡71之材質為玻璃。The first lens 71 has a negative refractive power, its object side 71 a is convex, its image side 71 b is concave, and both its object side 71 a and image side 71 b are spherical. The material of the first lens 71 is glass.

第二透鏡72 具有負屈折力，其物側面72a為凸面、像側面72b為凹面，且其物側面72a及像側面72b皆為非球面。第二透鏡72之材質為塑膠。The second lens 72 has a negative refractive power. The object side 72a is convex, the image side 72b is concave, and both the object side 72a and the image side 72b are aspherical. The material of the second lens 72 is plastic.

第三透鏡73具有負屈折力，其物側面73a為凹面、像側面73b為凸面，且物側面73a及像側面73b皆為非球面。第三透鏡73之材質為塑膠。The third lens 73 has negative refractive power, the object side 73a is concave, the image side 73b is convex, and both the object side 73a and the image side 73b are aspherical. The material of the third lens 73 is plastic.

第四透鏡74具有正屈折力，其物側面74a為凸面，其像側面74b為凸面，且其物側面74a及像側面74b皆為球面。第四透鏡74之材質為玻璃。The fourth lens 74 has a positive refractive power, its object side 74a is convex, its image side 74b is convex, and both its object side 74a and image side 74b are spherical. The material of the fourth lens 74 is glass.

第五透鏡75具有正屈折力，其物側面75a為凸面、像側面75b為凸面，且其物側面75a及像側面75b皆為非球面。第五透鏡75之材質為玻璃。The fifth lens 75 has positive refractive power, its object side 75 a is convex, its image side 75 b is convex, and both its object side 75 a and image side 75 b are aspherical. The material of the fifth lens 75 is glass.

第六透鏡76具有負屈折力，其物側面76a為凹面，其像側面76b為凹面，且其物側面76a及像側面76b皆為球面。第六透鏡76之材質為玻璃。The sixth lens 76 has a negative refractive power, its object side 76 a is concave, its image side 76 b is concave, and both its object side 76 a and image side 76 b are spherical. The material of the sixth lens 76 is glass.

第七透鏡77具有正屈折力，其物側面77a為凸面、像側面77b為凸面，且其物側面77a及像側面77b皆為非球面。第七透鏡77之材質為塑膠。The seventh lens 77 has positive refractive power, its object side 77 a is convex, its image side 77 b is convex, and its object side 77 a and image side 77 b are both aspherical. The material of the seventh lens 77 is plastic.

濾光元件78設置於第七透鏡77與成像面79之間，用以濾除特定波長區段的光線，例如是一紅外線濾除元件（IR Filter）。濾光元件78之二表面78a、78b皆為平面，其材質為玻璃。The filter element 78 is disposed between the seventh lens 77 and the imaging surface 79 to filter out light in a specific wavelength range, such as an infrared filter (IR Filter). The two surfaces 78a, 78b of the filter element 78 are both flat and made of glass.

影像感測元件（Image Sensor）700例如是電荷耦合元件影像感測元件（Charge-Coupled Device (CCD) Image Sensor）或互補式金屬氧化半導體感測元件（CMOS Image Sensor）。The image sensor (Image Sensor) 700 is, for example, a Charge-Coupled Device (CCD) Image Sensor or a Complementary Metal Oxide Semiconductor Sensor (CMOS Image Sensor).

第七實施例之光學攝像透鏡組70之詳細光學數據及透鏡表面之非球面係數分別列於表十八及表十九。在第七實施例中，非球面之曲線方程式表示如第一實施例的形式。第七實施例 EFL= 2.06 mm, Fno = 2.59, HFOV = 75 deg 　表面表面種類曲率半徑(mm) 距離(mm) 折射率色散係數焦距(mm) 材質被攝物　　無限無限　　　　第一透鏡 71a 球面 15.000 0.830 1.780 49.5 -5.86 玻璃 71b 球面 3.406 0.803 　　　　第二透鏡 72a 非球面 2.962 0.402 1.514 56.5 -7.46 塑膠 72b 非球面 1.591 1.770 　　　　第三透鏡 73a 非球面 -2.403 0.466 1.514 56.5 -10.62 塑膠 73b 非球面 -4.595 0.282 　　　　光圈 ST 平面無限 0.000 　　　第四透鏡 74a 球面 6.719 0.800 1.918 31.3 4.92 玻璃 74b 球面 -12.679 0.300 　　　　第五透鏡 75a 非球面 4.417 1.743 1.751 49.3 2.77 玻璃 75b 非球面 -3.231 0.164 　　　　第六透鏡 76a 球面 -5.551 0.657 1.986 17.5 -2.57 玻璃 76b 球面 4.805 0.168 　　　　第七透鏡 77a 非球面 5.682 1.385 1.594 61.1 4.06 塑膠 77b 非球面 -3.779 1.021 　　　　濾光元件 78a 平面無限 0.210 1.517 64.2 　玻璃 78b 平面無限 1.536 　　　　成像面 79 平面無限　　　　　參考波長：550 nm　　表十八第七實施例之非球面係數表面 72a 72b 73a 73b K 3.42E-01 -6.31E-01 -1.06E+00 -2.11E+01 A ₂ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 A ₄ 3.61E-02 5.82E-02 -2.20E-03 -3.22E-02 A ₆ -6.72E-03 1.11E-02 3.15E-03 1.78E-02 A ₈ -4.90E-04 -1.23E-02 4.51E-03 -8.21E-04 A ₁₀ 7.03E-05 2.77E-03 -2.64E-03 -2.94E-03 A ₁₂ -1.30E-06 0.00E+00 -1.43E-04 1.04E-03 A ₁₄ 0.00E+00 0.00E+00 6.11E-04 -1.30E-04 A ₁₆ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 表面 75a 75b 77a 77b K -9.00E+00 -5.92E-01 -1.02E+01 5.08E-01 A ₂ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 A ₄ 2.30E-03 1.47E-03 5.49E-03 1.73E-02 A ₆ 4.61E-04 2.30E-03 1.88E-03 4.92E-04 A ₈ -2.39E-04 -4.12E-04 -2.16E-04 4.19E-04 A ₁₀ 3.81E-05 2.61E-05 2.45E-05 -2.70E-05 A ₁₂ 2.58E-06 7.10E-06 -1.08E-07 -2.20E-07 A ₁₄ 1.21E-06 0.00E+00 -1.29E-07 1.71E-07 A ₁₆ 0.00E+00 0.00E+00 -4.44E-09 7.93E-08 表十九 The detailed optical data and aspheric coefficients of the lens surface of the optical imaging lens group 70 of the seventh embodiment are listed in Table 18 and Table 19, respectively. In the seventh embodiment, the curve equation of the aspheric surface is expressed in the form of the first embodiment. Seventh embodiment EFL= 2.06 mm, Fno = 2.59, HFOV = 75 deg surface surface type Radius of curvature (mm) Distance (mm) Refractive index Dispersion coefficient focal length(mm) material subject unlimited unlimited first lens 71a sphere 15.000 0.830 1.780 49.5 -5.86 Glass 71b sphere 3.406 0.803 second lens 72a Aspherical 2.962 0.402 1.514 56.5 -7.46 plastic 72b Aspherical 1.591 1.770 third lens 73a Aspherical -2.403 0.466 1.514 56.5 -10.62 plastic 73b Aspherical -4.595 0.282 aperture ST flat unlimited 0.000 fourth lens 74a sphere 6.719 0.800 1.918 31.3 4.92 Glass 74b sphere -12.679 0.300 fifth lens 75a Aspherical 4.417 1.743 1.751 49.3 2.77 Glass 75b Aspherical -3.231 0.164 sixth lens 76a sphere -5.551 0.657 1.986 17.5 -2.57 Glass 76b sphere 4.805 0.168 seventh lens 77a Aspherical 5.682 1.385 1.594 61.1 4.06 plastic 77b Aspherical -3.779 1.021 filter element 78a flat unlimited 0.210 1.517 64.2 Glass 78b flat unlimited 1.536 imaging surface 79 flat unlimited Reference wavelength: 550 nm Table 18 Aspherical coefficient of the seventh embodiment surface 72a 72b 73a 73b K 3.42E-01 -6.31E-01 -1.06E+00 -2.11E+01 A ₂ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 A ₄ 3.61E-02 5.82E-02 -2.20E-03 -3.22E-02 A ₆ -6.72E-03 1.11E-02 3.15E-03 1.78E-02 A ₈ -4.90E-04 -1.23E-02 4.51E-03 -8.21E-04 A ₁₀ 7.03E-05 2.77E-03 -2.64E-03 -2.94E-03 A ₁₂ -1.30E-06 0.00E+00 -1.43E-04 1.04E-03 A ₁₄ 0.00E+00 0.00E+00 6.11E-04 -1.30E-04 A ₁₆ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 surface 75a 75b 77a 77b K -9.00E+00 -5.92E-01 -1.02E+01 5.08E-01 A ₂ 0.00E+00 0.00E+00 0.00E+00 0.00E+00 A ₄ 2.30E-03 1.47E-03 5.49E-03 1.73E-02 A ₆ 4.61E-04 2.30E-03 1.88E-03 4.92E-04 A ₈ -2.39E-04 -4.12E-04 -2.16E-04 4.19E-04 A ₁₀ 3.81E-05 2.61E-05 2.45E-05 -2.70E-05 A ₁₂ 2.58E-06 7.10E-06 -1.08E-07 -2.20E-07 A ₁₄ 1.21E-06 0.00E+00 -1.29E-07 1.71E-07 A ₁₆ 0.00E+00 0.00E+00 -4.44E-09 7.93E-08 Table nineteen

在第七實施例中，光學攝像透鏡組70之各關係式的數值列於表二十。由表二十可知，第七實施例之光學攝像透鏡組70滿足關係式（1）至（13）的要求。關係式數值 f3/EFL -5.16 CT3/CT2 1.16 f34/EFL 3.71 f2/f1 1.27 f56/EFL 5.67 R12/R13 0.85 f5/EFL 1.34 f7/EFL 1.97 （R7+R8）/（R8-R7） 0.31 f1234 -19.20 f123/EFL -1.00 R3/R4 1.86 f4/EFL 2.39 TTL/AT23 7.08 表二十 In the seventh embodiment, the values of the relational expressions of the optical imaging lens group 70 are listed in Table 20. It can be known from Table 20 that the optical imaging lens group 70 of the seventh embodiment satisfies the requirements of relational expressions (1) to (13). Relational value f3/EFL -5.16 CT3/CT2 1.16 f34/EFL 3.71 f2/f1 1.27 f56/EFL 5.67 R12/R13 0.85 f5/EFL 1.34 f7/EFL 1.97 (R7+R8)/(R8-R7) 0.31 f1234 -19.20 f123/EFL -1.00 R3/R4 1.86 f4/EFL 2.39 TTL/AT23 7.08 Table twenty

參見圖7B，圖中由左至右分別為光學攝像透鏡組70之縱向球差圖、像散場曲像差圖及畸變像差圖。由縱向球差圖可以看出，三種可見光470nm、550nm及650nm波長在不同高度的離軸光線皆可集中於成像點附近，其成像點偏差可以控制在 +0.03mm以內。由像散場曲像差圖（波長550nm）可以看出，弧矢方向的像差在整個視場範圍內的焦距變化量在 +0.03mm以內；子午方向的像差在整個視場範圍內的焦距變化量在 +0.03mm以內；而畸變像差可以控制在12%以內。如圖7B所示，本實施例之光學攝像透鏡組70已良好地修正了各項像差，符合光學系統的成像品質要求。第八實施例 Referring to FIG. 7B , from left to right in the figure are the longitudinal spherical aberration diagram, the astigmatism field curvature aberration diagram and the distortion aberration diagram of the optical imaging lens group 70 . It can be seen from the longitudinal spherical aberration diagram that the off-axis rays of the three visible light wavelengths of 470nm, 550nm and 650nm at different heights can be concentrated near the imaging point, and the deviation of the imaging point can be controlled within + 0.03mm. From the astigmatism and field curvature aberration diagram (wavelength 550nm), it can be seen that the focal length variation of the sagittal direction aberration in the entire field of view is within + 0.03mm; The variation is within + 0.03mm; and the distortion aberration can be controlled within 12%. As shown in FIG. 7B , the optical imaging lens group 70 of this embodiment has well corrected various aberrations and meets the imaging quality requirements of the optical system. Eighth embodiment

本發明第八實施例為一成像裝置，此成像裝置包含如前述第一至第七實施例之光學攝像透鏡組，及一影像感測元件。影像感測元件例如是電荷耦合元件（Charge-Coupled Device，CCD）或互補式金屬氧化半導體（Complementary Metal Oxide Semiconductor，CMOS）影像感測元件等。此成像裝置例如是車用攝影之相機模組、可攜式電子產品之相機模組，或監控攝影機之相機模組等。第九實施例 The eighth embodiment of the present invention is an imaging device, which includes the optical imaging lens group as in the aforementioned first to seventh embodiments, and an image sensing element. The image sensing element is, for example, a Charge-Coupled Device (CCD) or a Complementary Metal Oxide Semiconductor (CMOS) image sensing element. The imaging device is, for example, a camera module for vehicle photography, a camera module for portable electronic products, or a camera module for surveillance cameras. Ninth embodiment

請參照圖8，圖中係繪示本發明第九實施例之電子裝置1000的示意圖。如圖所示，電子裝置1000包含一成像裝置1010。成像裝置1010例如是前述第八實施例之成像裝置，可以由本發明之光學攝像透鏡組及一影像感測元件所構成。此電子裝置1000例如是車用攝影裝置、監視攝影機或空拍攝影機等。Please refer to FIG. 8 , which is a schematic diagram of an electronic device 1000 according to a ninth embodiment of the present invention. As shown in the figure, the electronic device 1000 includes an imaging device 1010 . The imaging device 1010 is, for example, the imaging device of the aforementioned eighth embodiment, which may be composed of the optical imaging lens group and an image sensing element of the present invention. The electronic device 1000 is, for example, a car camera, a surveillance camera, or an aerial camera.

雖然本發明使用前述數個實施例加以說明，然而該些實施例並非用以限制本發明之範圍。對本發明所屬技術領域具有通常知識者而言，在不脫離本發明之精神與範圍內，仍可以參照本發明所揭露的實施例內容進行形式上和細節上的多種變化。是故，此處需明白的是，本發明係以下列申請專利範圍所界定者為準，任何在申請專利範圍內或其等效的範圍內所作的各種變化，仍應落入本發明之申請專利範圍之內。Although the present invention has been described using the preceding several examples, these examples are not intended to limit the scope of the present invention. For those skilled in the technical field of the present invention, without departing from the spirit and scope of the present invention, various changes in form and details can still be made with reference to the disclosed embodiments of the present invention. Therefore, what needs to be understood here is that the present invention is defined by the scope of the following patent application, and any changes made within the scope of the patent application or its equivalent scope should still fall into the application within the scope of the patent.

10、20、30、40、50、60、70:光學攝像透鏡組 11、21、31、41、51、61、71:第一透鏡 12、22、32、42、52、62、72:第二透鏡 13、23、33、43、53、63、73:第三透鏡 14、24、34、44、54、64、74:第四透鏡 15、25、35、45、55、65、75:第五透鏡 16、26、36、46、56、66、76:第六透鏡 17、27、37、47、57、67、77:第七透鏡 18、28、38、48、58、68、78:濾光元件 19、29、39、49、59、69、79:成像面 11a、21a、31a、41a、51a、61a、71a:第一透鏡之物側面 11b、21b、31b、41b、51b、61b、71b:第一透鏡之像側面 12a、22a、32a、42a、52a、62a、72a:第二透鏡之物側面 12b、22b、32b、42b、52b、62b、72b:第二透鏡之像側面 13a、23a、33a、43a、53a、63a、73a:第三透鏡之物側面 13b、23b、33b、43b、53b、63b、73b:第三透鏡之像側面 14a、24a、34a、44a、54a、64a、74a:第四透鏡之物側面 14b、24b、34b、44b、54b、64b、74b:第四透鏡之像側面 15a、25a、35a、45a、55a、65a、75a:第五透鏡之物側面 15b、25b、35b、45b、55b、65b、75b:第五透鏡之像側面 16a、26a、36a、46a、56a、66a、76a:第六透鏡之物側面 16b、26b、36b、46b、56b、66b、76b:第六透鏡之像側面 17a、27a、37a、47a、57a、67a、77a:第七透鏡之物側面 17b、27b、37b、47b、57b、67b、77b:第七透鏡之像側面 18a、18b、28a、28b、38a、38b、48a、48b、58a、58b、68a、68b、78a、78b:濾光元件之二表面 100、200、300、400、500、600、700:影像感測元件 1000:電子裝置 1010:成像裝置 I:光軸 ST:光圈 10, 20, 30, 40, 50, 60, 70: optical camera lens group 11, 21, 31, 41, 51, 61, 71: first lens 12, 22, 32, 42, 52, 62, 72: second lens 13, 23, 33, 43, 53, 63, 73: third lens 14, 24, 34, 44, 54, 64, 74: fourth lens 15, 25, 35, 45, 55, 65, 75: fifth lens 16, 26, 36, 46, 56, 66, 76: sixth lens 17, 27, 37, 47, 57, 67, 77: the seventh lens 18, 28, 38, 48, 58, 68, 78: filter elements 19, 29, 39, 49, 59, 69, 79: imaging surface 11a, 21a, 31a, 41a, 51a, 61a, 71a: the object side of the first lens 11b, 21b, 31b, 41b, 51b, 61b, 71b: image side of the first lens 12a, 22a, 32a, 42a, 52a, 62a, 72a: the object side of the second lens 12b, 22b, 32b, 42b, 52b, 62b, 72b: the image side of the second lens 13a, 23a, 33a, 43a, 53a, 63a, 73a: the object side of the third lens 13b, 23b, 33b, 43b, 53b, 63b, 73b: the image side of the third lens 14a, 24a, 34a, 44a, 54a, 64a, 74a: the object side of the fourth lens 14b, 24b, 34b, 44b, 54b, 64b, 74b: the image side of the fourth lens 15a, 25a, 35a, 45a, 55a, 65a, 75a: the object side of the fifth lens 15b, 25b, 35b, 45b, 55b, 65b, 75b: image side of the fifth lens 16a, 26a, 36a, 46a, 56a, 66a, 76a: the object side of the sixth lens 16b, 26b, 36b, 46b, 56b, 66b, 76b: the image side of the sixth lens 17a, 27a, 37a, 47a, 57a, 67a, 77a: the object side of the seventh lens 17b, 27b, 37b, 47b, 57b, 67b, 77b: image side of the seventh lens 18a, 18b, 28a, 28b, 38a, 38b, 48a, 48b, 58a, 58b, 68a, 68b, 78a, 78b: two surfaces of the filter element 100, 200, 300, 400, 500, 600, 700: Image sensor 1000: electronic device 1010: Imaging device I: optical axis ST: Aperture

〔圖1A〕為本發明第一實施例之光學攝像透鏡組示意圖；〔圖1B〕由左至右依序為本發明第一實施例之縱向球差圖、像散場曲像差圖及畸變像差圖；〔圖2A〕為本發明第二實施例之光學攝像透鏡組示意圖；〔圖2B〕由左至右依序為本發明第二實施例之縱向球差圖、像散場曲像差圖及畸變像差圖；〔圖3A〕為本發明第三實施例之光學攝像透鏡組示意圖；〔圖3B〕由左至右依序為本發明第三實施例之縱向球差圖、像散場曲像差圖及畸變像差圖；〔圖4A〕為本發明第四實施例之光學攝像透鏡組示意圖；〔圖4B〕由左至右依序為本發明第四實施例之縱向球差圖、像散場曲像差圖及畸變像差圖；〔圖5A〕為本發明第五實施例之光學攝像透鏡組示意圖；〔圖5B〕由左至右依序為本發明第五實施例之縱向球差圖、像散場曲像差圖及畸變像差圖；〔圖6A〕為本發明第六實施例之光學攝像透鏡組示意圖；〔圖6B〕由左至右依序為本發明第六實施例之縱向球差圖、像散場曲像差圖及畸變像差圖；〔圖7A〕為本發明第七實施例之光學攝像透鏡組示意圖；〔圖7B〕由左至右依序為本發明第七實施例之縱向球差圖、像散場曲像差圖及畸變像差圖；及〔圖8〕為本發明第九實施例之電子裝置之示意圖。 [Fig. 1A] is a schematic diagram of the optical imaging lens group of the first embodiment of the present invention; [Fig. 1B] From left to right are the longitudinal spherical aberration diagram, astigmatism field curvature aberration diagram and distortion aberration diagram of the first embodiment of the present invention; [Fig. 2A] is a schematic diagram of the optical imaging lens group of the second embodiment of the present invention; [Fig. 2B] From left to right are the longitudinal spherical aberration diagram, astigmatism field curvature aberration diagram and distortion aberration diagram of the second embodiment of the present invention; [Fig. 3A] is a schematic diagram of the optical imaging lens group of the third embodiment of the present invention; [Fig. 3B] From left to right are the longitudinal spherical aberration diagram, astigmatism field curvature aberration diagram and distortion aberration diagram of the third embodiment of the present invention; [Fig. 4A] is a schematic diagram of the optical imaging lens group of the fourth embodiment of the present invention; [Fig. 4B] From left to right are the longitudinal spherical aberration diagram, astigmatism field curvature aberration diagram and distortion aberration diagram of the fourth embodiment of the present invention; [Fig. 5A] is a schematic diagram of the optical imaging lens group of the fifth embodiment of the present invention; [Fig. 5B] From left to right are the longitudinal spherical aberration diagram, astigmatism field curvature aberration diagram and distortion aberration diagram of the fifth embodiment of the present invention; [Fig. 6A] is a schematic diagram of the optical imaging lens group of the sixth embodiment of the present invention; [Fig. 6B] From left to right are the longitudinal spherical aberration diagram, astigmatism field curvature aberration diagram and distortion aberration diagram of the sixth embodiment of the present invention; [FIG. 7A] is a schematic diagram of the optical imaging lens group of the seventh embodiment of the present invention; [Fig. 7B] From left to right are the longitudinal spherical aberration diagram, astigmatic field curvature aberration diagram and distortion aberration diagram of the seventh embodiment of the present invention; and [FIG. 8] is a schematic diagram of an electronic device according to a ninth embodiment of the present invention.

10:光學攝像透鏡組 10: Optical camera lens group

11:第一透鏡 11: First lens

12:第二透鏡 12: Second lens

13:第三透鏡 13: Third lens

14:第四透鏡 14: Fourth lens

15:第五透鏡 15: fifth lens

16:第六透鏡 16: sixth lens

17:第七透鏡 17: seventh lens

18:濾光元件 18: Filter element

19:成像面 19: Imaging surface

11a:第一透鏡之物側面 11a: The side of the object of the first lens

11b:第一透鏡之像側面 11b: The image side of the first lens

12a:第二透鏡之物側面 12a: The side of the second lens

12b:第二透鏡之像側面 12b: The image side of the second lens

13a:第三透鏡之物側面 13a: The side of the third lens

13b:第三透鏡之像側面 13b: The image side of the third lens

14a:第四透鏡之物側面 14a: The side of the fourth lens

14b:第四透鏡之像側面 14b: The image side of the fourth lens

15a:第五透鏡之物側面 15a: The side of the fifth lens

15b:第五透鏡之像側面 15b: The image side of the fifth lens

16a:第六透鏡之物側面 16a: The side of the sixth lens

16b:第六透鏡之像側面 16b: The image side of the sixth lens

17a:第七透鏡之物側面 17a: The side of the object of the seventh lens

17b:第七透鏡之像側面 17b: The image side of the seventh lens

18a、18b:濾光元件之二表面 18a, 18b: two surfaces of the filter element

100:影像感測元件 100: Image sensing element

I:光軸 I: optical axis

ST:光圈 ST: Aperture

Claims

一種光學攝像透鏡組，由物側至像側依序包含：一第一透鏡，具有負屈折力，其物側面為凸面、像側面為凹面；一第二透鏡，具有負屈折力，其物側面為凸面、像側面為凹面；一第三透鏡，具有負屈折力，其物側面為凹面、像側面為凸面；一光圈；一第四透鏡，具有正屈折力，其物側面為凸面、像側面為凸面；一第五透鏡，具有正屈折力，其物側面為凸面、像側面為凸面；一第六透鏡，具有負屈折力，其物側面為凹面、像側面為凹面；及一第七透鏡，具有正屈折力，其物側面為凸面、像側面為凸面；其中，該光學攝像透鏡組之透鏡總數為七片；其中，該第三透鏡與該第四透鏡的組合焦距為f34，整體光學攝像透鏡組之有效焦距為EFL，係滿足以下關係式：3<f34/EFL<7。 An optical imaging lens group, comprising in sequence from the object side to the image side: a first lens with negative refractive power, the object side is convex and the image side is concave; a second lens has negative refractive power, and the object side is concave. a convex surface and a concave image side; a third lens with negative refraction power, a concave object side and a convex image side; an aperture; a fourth lens with positive refraction, a convex object side and a convex image side a convex surface; a fifth lens with positive refractive power, the object side is convex and the image side is convex; a sixth lens has negative refractive power, the object side is concave and the image side is concave; and a seventh lens , has positive refractive power, its object side is convex, and its image side is convex; wherein, the total number of lenses in the optical imaging lens group is seven; wherein, the combined focal length of the third lens and the fourth lens is f34, and the overall optical The effective focal length of the camera lens group is EFL, which satisfies the following relationship: 3<f34/EFL<7.

如申請專利範圍第1項之光學攝像透鏡組，其中，該第二透鏡在光軸上之厚度為CT2，該第三透鏡在光軸上之厚度為CT3，係滿足以下關係式：0.6<CT3/CT2<2.6。 Such as the optical imaging lens group of item 1 of the scope of application, wherein the thickness of the second lens on the optical axis is CT2, and the thickness of the third lens on the optical axis is CT3, which satisfy the following relationship: 0.6<CT3 /CT2<2.6.

如申請專利範圍第1項之光學攝像透鏡組，其中，該第一透鏡的焦距為f1，該第二透鏡之焦距為f2，係滿足以下關係式：1<f2/f1<4。 For example, the optical imaging lens group of claim 1, wherein the focal length of the first lens is f1, and the focal length of the second lens is f2, which satisfy the following relationship: 1<f2/f1<4.

如申請專利範圍第1項之光學攝像透鏡組，其中，該第五透鏡與該第六透鏡之組合焦距為f56，其與該光學攝像透鏡組之有效焦距EFL之間，係滿足以下關係式：2<f56/EFL<6.5。 For example, the optical imaging lens group of item 1 of the scope of the patent application, wherein the combined focal length of the fifth lens and the sixth lens is f56, which satisfies the following relationship with the effective focal length EFL of the optical imaging lens group: 2<f56/EFL<6.5.

如申請專利範圍第1項之光學攝像透鏡組，其中，該第六透鏡像側面之曲率半徑為R12，該第七透鏡物側面之曲率半徑為R13，係滿足以下關係式：0.4<R12/R13<1.4。 For example, the optical imaging lens group of claim 1, wherein the radius of curvature of the image side of the sixth lens is R12, and the radius of curvature of the object side of the seventh lens is R13, which satisfy the following relationship: 0.4<R12/R13 <1.4.

如申請專利範圍第1項之光學攝像透鏡組，其中，該第五透鏡之焦距為f5，其與該光學攝像透鏡組之有效焦距EFL之間，係滿足以下關係式：0.9<f5/EFL<1.8。 For example, the optical imaging lens group of item 1 of the patent scope, wherein the focal length of the fifth lens is f5, and the effective focal length EFL of the optical imaging lens group satisfies the following relationship: 0.9<f5/EFL< 1.8.

如申請專利範圍第1項之光學攝像透鏡組，其中，該第七透鏡之焦距為f7，其與該光學攝像透鏡組之有效焦距EFL之間，係滿足以下關係式：1.5<f7/EFL<2.3。 For example, the optical imaging lens group of item 1 of the patent scope, wherein the focal length of the seventh lens is f7, and the effective focal length EFL of the optical imaging lens group satisfies the following relationship: 1.5<f7/EFL< 2.3.

如申請專利範圍第1項之光學攝像透鏡組，其中，該第四透鏡物側面之曲率半徑為R7、像側面之曲率半徑為R8，係滿足以下關係式：-0.9<(R7+R8)/(R8-R7)<0.6。 For example, the optical imaging lens group of item 1 of the scope of the patent application, wherein, the radius of curvature of the object side of the fourth lens is R7, and the radius of curvature of the image side is R8, which satisfy the following relationship: -0.9<(R7+R8)/ (R8-R7)<0.6.

如申請專利範圍第1項之光學攝像透鏡組，其中，該第一透鏡、該第二透鏡、該第三透鏡及該第四透鏡之組合焦距為負值。 As for the optical imaging lens group of item 1 of the scope of the patent application, wherein the combined focal length of the first lens, the second lens, the third lens and the fourth lens is a negative value.

如申請專利範圍第1項之光學攝像透鏡組，其中，該第一透鏡、該第二透鏡及該第三透鏡之組合焦距為f123，其與該光學攝像透鏡組之有效焦距EFL之間，係滿足以下關係式：-1.3<f123/EFL<-0.6。 For example, the optical imaging lens group of item 1 of the scope of the patent application, wherein the combined focal length of the first lens, the second lens and the third lens is f123, and the effective focal length EFL of the optical imaging lens group is equal to Satisfy the following relationship: -1.3<f123/EFL<-0.6.

如申請專利範圍第1項之光學攝像透鏡組，其中，該第二透鏡物側面之曲率半徑為R3、像側面之曲率半徑為R4，係滿足以下關係式：1.4<R3/R4<2.3。 For example, the optical imaging lens group of item 1 of the scope of the patent application, wherein the radius of curvature of the object side of the second lens is R3, and the radius of curvature of the image side is R4, which satisfy the following relationship: 1.4<R3/R4<2.3.

如申請專利範圍第1項之光學攝像透鏡組，其中，該第四透鏡之焦距為f4，其與該光學攝像透鏡組的有效焦距EFL之間，係滿足以下關係式：1.6<f4/EFL<3.3。 Such as the optical imaging lens group of item 1 of the patent scope, wherein the focal length of the fourth lens is f4, and the effective focal length EFL of the optical imaging lens group satisfies the following relationship: 1.6<f4/EFL< 3.3.

如申請專利範圍第1項之光學攝像透鏡組，其中，該第二透鏡像側面至該第三透鏡物側面在光軸上之距離為AT23，該第一透鏡物側面至該光學攝像透鏡組成像面在光軸上之距離為TTL，係滿足以下關係式：5<TTL/AT23<14。 Such as the optical imaging lens group of item 1 of the scope of the patent application, wherein the distance on the optical axis from the image side of the second lens to the object side of the third lens is AT23, and the image from the object side of the first lens to the optical imaging lens group The distance between the plane and the optical axis is TTL, which satisfies the following relationship: 5<TTL/AT23<14.

如申請專利範圍第1項之光學攝像透鏡組，其中，該第三透鏡之焦距為f3，整體光學攝像透鏡組之有效焦距為EFL，係滿足以下關係式：-10<f3/EFL<-2。 For example, the optical imaging lens group of item 1 of the patent scope, wherein the focal length of the third lens is f3, and the effective focal length of the overall optical imaging lens group is EFL, which satisfies the following relationship: -10<f3/EFL<-2 .

一種成像裝置，其包含如申請專利範圍第1項之光學攝像透鏡組，及一影像感測元件，其中，該影像感測元件係設置於該光學攝像透鏡組之成像面。 An imaging device includes the optical imaging lens group as claimed in item 1 of the scope of the patent application, and an image sensing element, wherein the image sensing element is arranged on the imaging surface of the optical imaging lens group.

一種電子裝置，其包含如申請專利範圍第15項之成像裝置。An electronic device, which includes the imaging device described in item 15 of the scope of the patent application.