CN112180565A - Optical imaging lens - Google Patents

Optical imaging lens Download PDF

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Publication number
CN112180565A
CN112180565A CN202011227715.2A CN202011227715A CN112180565A CN 112180565 A CN112180565 A CN 112180565A CN 202011227715 A CN202011227715 A CN 202011227715A CN 112180565 A CN112180565 A CN 112180565A
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Prior art keywords
lens
optical imaging
imaging lens
image
convex
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张龙
肖亮
戴付建
赵烈烽
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Zhejiang Sunny Optics Co Ltd
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Zhejiang Sunny Optics Co Ltd
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Priority to CN202011227715.2A priority Critical patent/CN112180565A/en
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
    • G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
    • G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration

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  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
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Abstract

The application discloses an optical imaging lens, which sequentially comprises from an object side to an image side along an optical axis: the image side surface of the first lens is a convex surface; a second lens having a negative optical power; a third lens with negative focal power, wherein the object side surface of the third lens is a convex surface, and the image side surface of the third lens is a concave surface; a fourth lens having a focal power, an object-side surface of which is convex; and a fifth lens having a refractive power, an object side surface of which is convex. The total effective focal length f of the optical imaging lens and the half of the diagonal length ImgH of the effective pixel area on the imaging surface of the optical imaging lens satisfy that: ImgH/f > 0.8; and a center thickness CT2 of the second lens on the optical axis and a maximum value CTmax of center thicknesses CTmax of the first to fifth lenses on the optical axis satisfy: 0 < CT2/CTmax < 0.4.

Description

Optical imaging lens
Technical Field
The application relates to the field of optical elements, in particular to an optical imaging lens.
Background
In the modern times, people are beginning to like to take pictures to record their daily lives on business trips or travels along with the improvement of living standard. However, going to a business trip or a tour with a camera in a back-up county can make the business trip more tired and heavy, making the original relaxing journey cumbersome and heavy.
Nowadays, the concept of light traveling is in depth, and the smart phone with gradually improved shooting capability just can meet the requirement of people. How to miniaturize an optical imaging lens mounted on a smart phone on the premise of good imaging quality is one of the problems to be solved by many lens designers at present.
Disclosure of Invention
The present application provides an optical imaging lens, in order from an object side to an image side along an optical axis, comprising: the image side surface of the first lens is a convex surface; a second lens having a negative optical power; a third lens with negative focal power, wherein the object side surface of the third lens is a convex surface, and the image side surface of the third lens is a concave surface; a fourth lens having a focal power, an object-side surface of which is convex; and a fifth lens having a refractive power, an object side surface of which is convex. The total effective focal length f of the optical imaging lens and the half of the diagonal length ImgH of the effective pixel area on the imaging surface of the optical imaging lens can satisfy the following conditions: ImgH/f > 0.8; and a center thickness CT2 of the second lens on the optical axis and a maximum value CTmax of center thicknesses CTmax of the first to fifth lenses on the optical axis may satisfy: 0 < CT2/CTmax < 0.4.
In one embodiment, the object-side surface of the first lens element to the image-side surface of the fifth lens element has at least one aspherical mirror surface.
In one embodiment, the total effective focal length f of the optical imaging lens and the radius of curvature R2 of the image side surface of the first lens can satisfy: -0.4 < f/R2 < 0.
In one embodiment, the radius of curvature R9 of the object-side surface of the fifth lens and the radius of curvature R10 of the image-side surface of the fifth lens may satisfy: 0 < R10/R9 < 1.
In one embodiment, the radius of curvature R5 of the object-side surface of the third lens and the radius of curvature R6 of the image-side surface of the third lens may satisfy: 0 < R6/R5 < 0.6.
In one embodiment, the central thickness CT3 of the third lens on the optical axis and the separation distance T23 of the second lens and the third lens on the optical axis may satisfy: T23/CT3 is more than 0.5 and less than or equal to 0.97.
In one embodiment, a distance SAG41 on the optical axis from an intersection point of the object-side surface of the fourth lens and the optical axis to an effective radius vertex of the object-side surface of the fourth lens and an effective radius DT41 of the object-side surface of the fourth lens may satisfy: 10 XSAG 41/DT41 is more than-1.6 and less than-0.06.
In one embodiment, the effective radius DT31 of the object-side surface of the third lens and the effective radius DT22 of the image-side surface of the second lens may satisfy: DT22/DT31 is less than or equal to 0.89.
In one embodiment, the effective radius DT11 of the object-side surface of the first lens and the effective radius DT21 of the object-side surface of the second lens may satisfy: DT21/DT11 is more than or equal to 1.1 and less than or equal to 1.3.
In one embodiment, the total effective focal length f of the optical imaging lens, the effective focal length f2 of the second lens and the effective focal length f3 of the third lens may satisfy: -0.4 < f/(f2+ f3) < 0.
In one embodiment, half of the maximum field angle Semi-FOV of the optical imaging lens may satisfy: tan (Semi-FOV) is not less than 0.82.
In one embodiment, the total effective focal length f of the optical imaging lens and the entrance pupil diameter EPD of the optical imaging lens may satisfy: f/EPD is more than 2 and less than 3.
Another aspect of the present application provides an optical imaging lens. The optical imaging lens sequentially comprises from an object side to an image side along an optical axis: the image side surface of the first lens is a convex surface; a second lens having a negative optical power; a third lens with negative focal power, wherein the object side surface of the third lens is a convex surface, and the image side surface of the third lens is a concave surface; a fourth lens having a focal power, an object-side surface of which is convex; and a fifth lens having a refractive power, an object side surface of which is convex. Half of the Semi-FOV of the maximum field angle of the optical imaging lens may satisfy: tan (Semi-FOV) is not less than 0.82.
In one embodiment, the total effective focal length f of the optical imaging lens and the radius of curvature R2 of the image side surface of the first lens can satisfy: -0.4 < f/R2 < 0.
In one embodiment, the radius of curvature R9 of the object-side surface of the fifth lens and the radius of curvature R10 of the image-side surface of the fifth lens may satisfy: 0 < R10/R9 < 1.
In one embodiment, the radius of curvature R5 of the object-side surface of the third lens and the radius of curvature R6 of the image-side surface of the third lens may satisfy: 0 < R6/R5 < 0.6.
In one embodiment, the central thickness CT3 of the third lens on the optical axis and the separation distance T23 of the second lens and the third lens on the optical axis may satisfy: T23/CT3 is more than 0.5 and less than or equal to 0.97.
In one embodiment, a distance SAG41 on the optical axis from an intersection point of the object-side surface of the fourth lens and the optical axis to an effective radius vertex of the object-side surface of the fourth lens and an effective radius DT41 of the object-side surface of the fourth lens may satisfy: 10 XSAG 41/DT41 is more than-1.6 and less than-0.06.
In one embodiment, the effective radius DT31 of the object-side surface of the third lens and the effective radius DT22 of the image-side surface of the second lens may satisfy: DT22/DT31 is less than or equal to 0.89.
In one embodiment, the effective radius DT11 of the object-side surface of the first lens and the effective radius DT21 of the object-side surface of the second lens may satisfy: DT21/DT11 is more than or equal to 1.1 and less than or equal to 1.3.
In one embodiment, the total effective focal length f of the optical imaging lens, the effective focal length f2 of the second lens and the effective focal length f3 of the third lens may satisfy: -0.4 < f/(f2+ f3) < 0.
In one embodiment, the total effective focal length f of the optical imaging lens and the half of the diagonal length ImgH of the effective pixel area on the imaging plane of the optical imaging lens may satisfy: ImgH/f > 0.8.
In one embodiment, the central thickness CT2 of the second lens on the optical axis and the maximum value CTmax of the central thicknesses CTmax of the first to fifth lenses on the optical axis may satisfy: 0 < CT2/CTmax < 0.4.
In one embodiment, the total effective focal length f of the optical imaging lens and the entrance pupil diameter EPD of the optical imaging lens may satisfy: f/EPD is more than 2 and less than 3.
The optical imaging lens adopts a plurality of lenses (for example, five lenses), and has at least one beneficial effect of miniaturization, ultra-small head, high imaging quality and the like by reasonably distributing the focal power, the surface type, the central thickness of each lens, the on-axis distance between each lens and the like.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 shows a schematic structural view of an optical imaging lens according to embodiment 1 of the present application;
fig. 2A to 2D show an on-axis chromatic aberration curve, an astigmatic curve, a distortion curve, and a chromatic aberration of magnification curve, respectively, of the optical imaging lens of embodiment 1;
fig. 3 is a schematic structural view showing an optical imaging lens according to embodiment 2 of the present application;
fig. 4A to 4D show an on-axis chromatic aberration curve, an astigmatic curve, a distortion curve, and a chromatic aberration of magnification curve, respectively, of the optical imaging lens of embodiment 2;
fig. 5 is a schematic structural view showing an optical imaging lens according to embodiment 3 of the present application;
fig. 6A to 6D show an on-axis chromatic aberration curve, an astigmatic curve, a distortion curve, and a chromatic aberration of magnification curve, respectively, of the optical imaging lens of embodiment 3;
fig. 7 is a schematic structural view showing an optical imaging lens according to embodiment 4 of the present application;
fig. 8A to 8D show an on-axis chromatic aberration curve, an astigmatism curve, a distortion curve, and a chromatic aberration of magnification curve, respectively, of the optical imaging lens of embodiment 4;
fig. 9 is a schematic structural view showing an optical imaging lens according to embodiment 5 of the present application;
fig. 10A to 10D show an on-axis chromatic aberration curve, an astigmatism curve, a distortion curve, and a chromatic aberration of magnification curve, respectively, of the optical imaging lens of embodiment 5;
fig. 11 is a schematic structural view showing an optical imaging lens according to embodiment 6 of the present application; and
fig. 12A to 12D show an axial chromatic aberration curve, an astigmatism curve, a distortion curve, and a chromatic aberration of magnification curve, respectively, of the optical imaging lens of embodiment 6.
Detailed Description
For a better understanding of the present application, various aspects of the present application will be described in more detail with reference to the accompanying drawings. It should be understood that the detailed description is merely illustrative of exemplary embodiments of the present application and does not limit the scope of the present application in any way. Like reference numerals refer to like elements throughout the specification. The expression "and/or" includes any and all combinations of one or more of the associated listed items.
It should be noted that in this specification, the expressions first, second, third, etc. are used only to distinguish one feature from another, and do not represent any limitation on the features. Thus, the first lens discussed below may also be referred to as the second lens or the third lens without departing from the teachings of the present application.
In the drawings, the thickness, size, and shape of the lens have been slightly exaggerated for convenience of explanation. In particular, the shapes of the spherical or aspherical surfaces shown in the drawings are shown by way of example. That is, the shape of the spherical surface or the aspherical surface is not limited to the shape of the spherical surface or the aspherical surface shown in the drawings. The figures are purely diagrammatic and not drawn to scale.
Herein, the paraxial region refers to a region near the optical axis. If the lens surface is convex and the convex position is not defined, it means that the lens surface is convex at least in the paraxial region; if the lens surface is concave and the concave position is not defined, it means that the lens surface is concave at least in the paraxial region. The surface of each lens closest to the object is called the object side surface of the lens, and the surface of each lens closest to the imaging surface is called the image side surface of the lens.
It will be further understood that the terms "comprises," "comprising," "has," "having," "includes" and/or "including," when used in this specification, specify the presence of stated features, elements, and/or components, but do not preclude the presence or addition of one or more other features, elements, components, and/or groups thereof. Moreover, when a statement such as "at least one of" appears after a list of listed features, the entirety of the listed features is modified rather than modifying individual elements in the list. Furthermore, when describing embodiments of the present application, the use of "may" mean "one or more embodiments of the present application. Also, the term "exemplary" is intended to refer to an example or illustration.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
The features, principles, and other aspects of the present application are described in detail below.
An optical imaging lens according to an exemplary embodiment of the present application may include five lenses having optical powers, which are a first lens, a second lens, a third lens, a fourth lens, and a fifth lens, respectively. The five lenses are arranged along the optical axis in sequence from the object side to the image side. Any adjacent two lenses of the first lens to the fifth lens can have a spacing distance therebetween.
In an exemplary embodiment, the first lens may have a positive or negative optical power, and the image-side surface thereof may be convex; the second lens may have a negative optical power; the third lens element can have negative focal power, and the object-side surface can be convex and the image-side surface can be concave; the fourth lens can have positive focal power or negative focal power, and the object side surface of the fourth lens can be a convex surface; and the fifth lens can have positive power or negative power, and the object side surface of the fifth lens can be a convex surface.
In an exemplary embodiment, an optical imaging lens according to the present application may satisfy: ImgH/f > 0.8, where f is the total effective focal length of the optical imaging lens, and ImgH is half the diagonal length of the effective pixel area on the imaging surface of the optical imaging lens. The requirement that ImgH/f is more than 0.8 is met, high-image-quality imaging is facilitated, and the resolution of the lens is improved.
In an exemplary embodiment, an optical imaging lens according to the present application may satisfy: 0 < CT2/CTmax < 0.4, where CT2 is the central thickness of the second lens on the optical axis, and CTmax is the maximum value of the central thicknesses of the first to fifth lenses on the optical axis. More specifically, CT2 and CTmax may further satisfy: 0.2 < CT2/CTmax < 0.3. The requirement that CT2/CTmax is more than 0 and less than 0.4 is met, so that the lens is easy to perform injection molding, the processability of the imaging lens is improved, and better imaging quality is realized.
In an exemplary embodiment, an optical imaging lens according to the present application may satisfy: -0.4 < f/R2 < 0, where f is the total effective focal length of the optical imaging lens and R2 is the radius of curvature of the image-side surface of the first lens. More specifically, f and R2 further satisfy: -0.3 < f/R2 < 0. The f/R2 is more than-0.4 and less than 0, which is beneficial to better matching the optical imaging lens with the chip.
In an exemplary embodiment, an optical imaging lens according to the present application may satisfy: 0 < R10/R9 < 1, where R9 is the radius of curvature of the object-side surface of the fifth lens and R10 is the radius of curvature of the image-side surface of the fifth lens. More specifically, R10 and R9 may further satisfy: 0.1 < R10/R9 < 0.9. The requirements of 0 < R10/R9 < 1 are favorable for weakening the sensitivity of the lens, realizing the characteristics of large field angle and high resolution and ensuring good manufacturability.
In an exemplary embodiment, an optical imaging lens according to the present application may satisfy: 0 < R6/R5 < 0.6, where R5 is the radius of curvature of the object-side surface of the third lens and R6 is the radius of curvature of the image-side surface of the third lens. More specifically, R6 and R5 may further satisfy: 0.2 < R6/R5 < 0.5. The optical power of the third lens is favorably and reasonably distributed when R6/R5 is more than 0 and less than 0.6, and meanwhile, the included angle between the main ray incident on the image plane and the optical axis is favorably reduced, and the illumination of the image plane is improved.
In an exemplary embodiment, an optical imaging lens according to the present application may satisfy: 0.5 < T23/CT3 < 0.97, wherein CT3 is the central thickness of the third lens on the optical axis, and T23 is the distance between the second lens and the third lens on the optical axis. T23/CT3 of more than 0.5 is satisfied and is not more than 0.97, so that the assembling stability of the lens is favorably improved, the consistency of batch production is favorably realized, and the production yield of the optical imaging lens is favorably improved.
In an exemplary embodiment, an optical imaging lens according to the present application may satisfy: -1.6 < 10 × SAG41/DT41 ≦ -0.06, where SAG41 is the distance on the optical axis from the intersection of the object-side surface of the fourth lens and the optical axis to the vertex of the effective radius of the object-side surface of the fourth lens, and DT41 is the effective radius of the object-side surface of the fourth lens. More specifically, SAG41 and DT41 further satisfy: 10 XSAG 41/DT41 is more than or equal to-1.5 and less than or equal to-0.06. The optical imaging lens meets the requirements that the power of-1.6 is less than 10 XSAG 41/DT41 is less than or equal to-0.06, the fourth lens can be prevented from being excessively bent, the processing difficulty is reduced, and meanwhile, the optical imaging lens has better capability of balancing chromatic aberration and distortion.
In an exemplary embodiment, an optical imaging lens according to the present application may satisfy: DT22/DT31 is less than or equal to 0.89, wherein DT31 is the effective radius of the object side surface of the third lens, and DT22 is the effective radius of the image side surface of the second lens. The requirements of DT22/DT31 are less than or equal to 0.89, the size of the lens is reduced, the miniaturization of the lens is met, and the resolving power is improved.
In an exemplary embodiment, an optical imaging lens according to the present application may satisfy: 1.1 ≦ DT21/DT11 < 1.3, where DT11 is the effective radius of the object-side surface of the first lens and DT21 is the effective radius of the object-side surface of the second lens. More specifically, DT21 and DT11 further satisfy: DT21/DT11 is more than or equal to 1.1 and less than or equal to 1.2. The optical imaging lens meets the condition that DT21/DT11 is more than or equal to 1.1 and less than 1.3, and can improve the capability of the optical imaging lens in correcting off-axis aberration, so that the lens obtains higher image quality.
In an exemplary embodiment, an optical imaging lens according to the present application may satisfy: -0.4 < f/(f2+ f3) < 0, where f is the total effective focal length of the optical imaging lens, f2 is the effective focal length of the second lens, and f3 is the effective focal length of the third lens. More specifically, f2, and f3 may further satisfy: -0.3 < f/(f2+ f3) < 0. Satisfies f/(f2+ f3) < 0 < 0.4, and is beneficial to improving the field angle of the lens.
In an exemplary embodiment, an optical imaging lens according to the present application may satisfy: tan (Semi-FOV) ≧ 0.82, where Semi-FOV is half of the maximum field angle of the optical imaging lens. And tan (Semi-FOV) is more than or equal to 0.82, so that the visual field of the lens is wide, and the lens has a relatively large clear imaging range.
In an exemplary embodiment, an optical imaging lens according to the present application may satisfy: 2 < f/EPD < 3, where f is the total effective focal length of the optical imaging lens and EPD is the entrance pupil diameter of the optical imaging lens. More specifically, f and EPD may further satisfy: f/EPD is more than 2.2 and less than 2.7. The requirement that f/EPD is more than 2 and less than 3 is met, so that the lens has a large aperture, and the lens also has good imaging quality in a dark environment.
The optical imaging lens according to the above-described embodiment of the present application may employ a plurality of lenses, for example, five lenses as described above. By reasonably distributing the focal power, the surface type, the central thickness of each lens, the on-axis distance between each lens and the like, the volume of the optical imaging lens can be effectively reduced, the processability of the optical imaging lens can be improved, and the optical imaging lens is more favorable for production and processing and can be suitable for portable electronic products. The optical imaging lens has the characteristics of ultra-small head, miniaturization, good imaging quality and the like, and can well meet the use requirements of various portable electronic products in a shooting scene.
In the embodiment of the present application, at least one of the mirror surfaces of each lens is an aspherical mirror surface, that is, at least one of the object-side surface of the first lens to the image-side surface of the fifth lens is an aspherical mirror surface. The aspheric lens is characterized in that: the curvature varies continuously from the center of the lens to the periphery of the lens. Unlike a spherical lens having a constant curvature from the center of the lens to the periphery of the lens, an aspherical lens has better curvature radius characteristics, and has advantages of improving distortion aberration and improving astigmatic aberration. After the aspheric lens is adopted, the aberration generated in imaging can be eliminated as much as possible, and the imaging quality is further improved. Optionally, at least one of an object-side surface and an image-side surface of each of the first lens, the second lens, the third lens, the fourth lens, and the fifth lens is an aspheric mirror surface. Optionally, each of the first, second, third, fourth, and fifth lenses has an object-side surface and an image-side surface that are aspheric mirror surfaces.
However, it will be appreciated by those skilled in the art that the number of lenses constituting an optical imaging lens may be varied to achieve the various results and advantages described in the present specification without departing from the claimed subject matter. For example, although five lenses are exemplified in the embodiment, the optical imaging lens is not limited to include five lenses. The optical imaging lens may also include other numbers of lenses, if desired.
Specific examples of an optical imaging lens applicable to the above-described embodiments are further described below with reference to the drawings.
Example 1
An optical imaging lens according to embodiment 1 of the present application is described below with reference to fig. 1 to 2D. Fig. 1 shows a schematic structural diagram of an optical imaging lens according to embodiment 1 of the present application.
As shown in fig. 1, the optical imaging lens includes, in order from an object side to an image side: a stop STO, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, a filter E6, and an image forming surface S13.
The first lens element E1 has positive power, and has a convex object-side surface S1 and a convex image-side surface S2. The second lens element E2 has negative power, and has a concave object-side surface S3 and a concave image-side surface S4. The third lens element E3 has negative power, and has a convex object-side surface S5 and a concave image-side surface S6. The fourth lens element E4 has positive power, and has a convex object-side surface S7 and a convex image-side surface S8. The fifth lens element E5 has negative power, and has a convex object-side surface S9 and a concave image-side surface S10. Filter E6 has an object side S11 and an image side S12. The light from the object sequentially passes through the respective surfaces S1 to S12 and is finally imaged on the imaging surface S13.
Table 1 shows a basic parameter table of the optical imaging lens of embodiment 1, in which the units of the radius of curvature, the thickness/distance, and the focal length are all millimeters (mm).
Figure BDA0002764134580000071
TABLE 1
In the present example, the total effective focal length f of the optical imaging lens is 3.20mm, the total length TTL of the optical imaging lens (i.e., the distance on the optical axis from the object-side surface S1 of the first lens E1 to the imaging surface S13 of the optical imaging lens) is 3.92mm, the half ImgH of the diagonal length of the effective pixel region on the imaging surface S13 of the optical imaging lens is 2.88mm, the half Semi-FOV of the maximum field angle of the optical imaging lens is 41.15 °, and the aperture value Fno of the optical imaging lens is 2.31.
In embodiment 1, the object-side surface and the image-side surface of any one of the first lens E1 to the fifth lens E5 are aspheric surfaces, and the surface shape x of each aspheric lens can be defined by, but is not limited to, the following aspheric surface formula:
Figure BDA0002764134580000072
wherein x is the rise of the distance from the aspheric surface vertex to the aspheric surface vertex when the aspheric surface is at the position with the height of h along the optical axis direction; c is the paraxial curvature of the aspheric surface, c being 1/R (i.e., paraxial curvature c is the inverse of radius of curvature R in table 1 above); k is a conic coefficient; ai is the correction coefficient of the i-th order of the aspherical surface. The high-order term coefficients A usable for the aspherical mirror surfaces S1 to S10 in example 1 are shown in Table 2-1 and Table 2-2 below4、A6、A8、A10、A12、A14、A16、A18、A20、A22、A24、A26、A28、A30、。
Figure BDA0002764134580000073
Figure BDA0002764134580000081
TABLE 2-1
Flour mark A18 A20 A22 A24 A26 A28 A30
S1 9.8886E-07 -1.0110E-07 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S2 -4.4274E-06 2.0384E-06 6.4909E-07 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S3 -6.8508E-06 3.4337E-06 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S4 -7.2940E-06 2.4016E-07 -1.1833E-07 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S5 -2.3808E-05 6.0773E-06 8.2622E-06 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S6 -7.0284E-05 6.4925E-05 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S7 4.0992E-04 -1.0648E-04 -1.5106E-04 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S8 -9.8873E-04 3.4495E-04 -5.8685E-05 -1.9922E-05 0.0000E+00 0.0000E+00 0.0000E+00
S9 -1.7340E-03 6.3531E-04 1.7653E-04 5.7155E-05 -9.1751E-05 0.0000E+00 0.0000E+00
S10 2.1532E-03 5.7240E-04 8.9241E-04 -7.4204E-05 1.7204E-04 -7.0870E-05 -4.5991E-05
Tables 2 to 2
Fig. 2A shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 1, which represents the deviation of the convergent focal points of light rays of different wavelengths after passing through the lens. Fig. 2B shows an astigmatism curve representing a meridional field curvature and a sagittal field curvature of the optical imaging lens of embodiment 1. Fig. 2C shows a distortion curve of the optical imaging lens of embodiment 1, which represents distortion magnitude values corresponding to different image heights. Fig. 2D shows a chromatic aberration of magnification curve of the optical imaging lens of embodiment 1, which represents a deviation of different image heights on the imaging plane after light passes through the lens. As can be seen from fig. 2A to 2D, the optical imaging lens according to embodiment 1 can achieve good imaging quality.
Example 2
An optical imaging lens according to embodiment 2 of the present application is described below with reference to fig. 3 to 4D. In this embodiment and the following embodiments, descriptions of parts similar to those of embodiment 1 will be omitted for the sake of brevity. Fig. 3 shows a schematic structural diagram of an optical imaging lens according to embodiment 2 of the present application.
As shown in fig. 3, the optical imaging lens includes, in order from an object side to an image side: a stop STO, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, a filter E6, and an image forming surface S13.
The first lens element E1 has positive power, and has a convex object-side surface S1 and a convex image-side surface S2. The second lens element E2 has negative power, and has a concave object-side surface S3 and a concave image-side surface S4. The third lens element E3 has negative power, and has a convex object-side surface S5 and a concave image-side surface S6. The fourth lens element E4 has positive power, and has a convex object-side surface S7 and a concave image-side surface S8. The fifth lens element E5 has positive power, and has a convex object-side surface S9 and a concave image-side surface S10. Filter E6 has an object side S11 and an image side S12. The light from the object sequentially passes through the respective surfaces S1 to S12 and is finally imaged on the imaging surface S13.
In this example, the total effective focal length f of the optical imaging lens is 3.23mm, the total length TTL of the optical imaging lens is 4.04mm, the half ImgH of the diagonal length of the effective pixel area on the imaging plane S13 of the optical imaging lens is 2.88mm, the half Semi-FOV of the maximum field angle of the optical imaging lens is 40.58 °, and the aperture value Fno of the optical imaging lens is 2.31.
Table 3 shows a basic parameter table of the optical imaging lens of embodiment 2, in which the units of the radius of curvature, the thickness/distance, and the focal length are all millimeters (mm). Tables 4-1 and 4-2 show the high-order term coefficients that can be used for each aspherical mirror surface in example 2, wherein each aspherical mirror surface type can be defined by the formula (1) given in example 1 above.
Figure BDA0002764134580000091
TABLE 3
Flour mark A4 A6 A8 A10 A12 A14 A16
S1 -1.1821E-02 -8.5593E-04 -2.4257E-04 2.6947E-05 -3.9235E-05 1.8616E-05 -9.0706E-06
S2 -5.9649E-02 9.4725E-04 -3.5822E-04 -1.8224E-04 1.5664E-06 -9.3489E-06 1.2586E-05
S3 -8.2483E-03 5.1181E-03 -5.6893E-04 -2.9393E-04 2.1654E-05 -1.3196E-05 4.6000E-06
S4 5.2016E-02 6.1788E-03 1.1962E-04 -8.5843E-05 2.1273E-05 -1.6748E-05 -2.5707E-06
S5 -1.1533E-01 -1.3466E-03 -2.8576E-03 1.0274E-05 -3.4899E-04 2.0139E-05 -1.2387E-04
S6 -4.2404E-01 6.0154E-02 -6.3497E-03 4.9163E-03 -4.1491E-03 4.9586E-04 -9.7933E-04
S7 -9.6124E-01 9.1885E-02 2.0545E-02 1.7407E-02 -1.7635E-02 1.9819E-03 -9.5372E-04
S8 -1.5338E+00 2.2924E-01 -8.0030E-02 3.9430E-02 -3.4720E-02 2.0440E-02 -7.1058E-03
S9 -2.6699E+00 8.3859E-01 -3.1403E-01 1.1000E-01 -4.5803E-02 2.0451E-02 -8.4794E-03
S10 -3.3988E+00 6.7074E-01 -1.8112E-01 8.2016E-02 -2.8853E-02 4.1839E-03 -9.9235E-03
TABLE 4-1
Figure BDA0002764134580000092
Figure BDA0002764134580000101
TABLE 4-2
Fig. 4A shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 2, which represents the deviation of the convergent focal points of light rays of different wavelengths after passing through the lens. Fig. 4B shows an astigmatism curve representing meridional field curvature and sagittal field curvature of the optical imaging lens of embodiment 2. Fig. 4C shows a distortion curve of the optical imaging lens of embodiment 2, which represents distortion magnitude values corresponding to different image heights. Fig. 4D shows a chromatic aberration of magnification curve of the optical imaging lens of embodiment 2, which represents the deviation of different image heights on the imaging plane after light passes through the lens. As can be seen from fig. 4A to 4D, the optical imaging lens according to embodiment 2 can achieve good imaging quality.
Example 3
An optical imaging lens according to embodiment 3 of the present application is described below with reference to fig. 5 to 6D. Fig. 5 shows a schematic structural diagram of an optical imaging lens according to embodiment 3 of the present application.
As shown in fig. 5, the optical imaging lens includes, in order from an object side to an image side: a stop STO, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, a filter E6, and an image forming surface S13.
The first lens element E1 has positive power, and has a convex object-side surface S1 and a convex image-side surface S2. The second lens element E2 has negative power, and has a concave object-side surface S3 and a concave image-side surface S4. The third lens element E3 has negative power, and has a convex object-side surface S5 and a concave image-side surface S6. The fourth lens element E4 has negative power, and has a convex object-side surface S7 and a concave image-side surface S8. The fifth lens element E5 has negative power, and has a convex object-side surface S9 and a concave image-side surface S10. Filter E6 has an object side S11 and an image side S12. The light from the object sequentially passes through the respective surfaces S1 to S12 and is finally imaged on the imaging surface S13.
In this example, the total effective focal length f of the optical imaging lens is 3.22mm, the total length TTL of the optical imaging lens is 4.00mm, the half ImgH of the diagonal length of the effective pixel area on the imaging plane S13 of the optical imaging lens is 2.88mm, the half Semi-FOV of the maximum field angle of the optical imaging lens is 40.42 °, and the aperture value Fno of the optical imaging lens is 2.31.
Table 5 shows a basic parameter table of the optical imaging lens of embodiment 3, in which the units of the radius of curvature, the thickness/distance, and the focal length are all millimeters (mm). Tables 6-1 and 6-2 show the high-order term coefficients that can be used for each aspherical mirror surface in example 3, wherein each aspherical mirror surface type can be defined by the formula (1) given in example 1 above.
Figure BDA0002764134580000102
Figure BDA0002764134580000111
TABLE 5
Flour mark A4 A6 A8 A10 A12 A14 A16
S1 -1.2530E-02 -7.2191E-04 -2.9009E-04 5.4432E-05 -5.6333E-05 2.9369E-05 -1.4814E-05
S2 -5.8194E-02 8.1880E-04 -3.2523E-04 -1.9546E-04 4.0119E-05 -4.4415E-05 3.6880E-05
S3 -1.0637E-02 5.7521E-03 -9.2023E-04 -1.7436E-04 -8.5235E-06 -2.3915E-05 1.9766E-05
S4 5.1970E-02 6.6524E-03 3.9750E-05 -8.5750E-05 5.0477E-05 -5.8532E-05 2.4240E-05
S5 -8.8086E-02 -1.0425E-02 3.5973E-04 -1.5707E-03 4.3275E-04 -3.7126E-04 3.4841E-05
S6 -2.2597E-01 3.9141E-03 1.5598E-02 -5.2501E-03 1.2267E-03 -2.2901E-03 4.8317E-04
S7 -5.5205E-01 -2.2516E-02 6.5297E-02 -3.7819E-03 -6.4184E-03 -3.9174E-03 2.0068E-03
S8 -1.0099E+00 1.3696E-01 -3.8463E-02 2.0840E-02 -2.5512E-02 1.4867E-02 -4.3640E-03
S9 -3.0475E+00 9.6547E-01 -3.7110E-01 1.3796E-01 -6.0953E-02 3.0265E-02 -1.4757E-02
S10 -4.7624E+00 1.0405E+00 -3.3364E-01 1.5523E-01 -7.1494E-02 3.2247E-02 -2.6758E-02
TABLE 6-1
Flour mark A18 A20 A22 A24 A26 A28 A30
S1 1.3794E-05 -5.8426E-06 9.6493E-06 -8.7592E-06 -1.0682E-06 -6.5247E-06 5.7214E-06
S2 -2.0840E-05 1.6847E-05 -3.6490E-06 7.1122E-07 -6.2841E-06 1.8206E-06 -1.5816E-06
S3 -1.1098E-05 -2.4981E-06 3.5262E-06 -3.3563E-06 1.5930E-06 -2.9247E-06 2.1675E-06
S4 -7.5678E-06 -7.1920E-07 4.5265E-06 -1.3704E-06 1.0504E-06 -1.2957E-06 -5.0239E-07
S5 -3.0419E-05 -8.6626E-06 1.2559E-05 -7.0287E-06 6.7623E-06 1.6161E-06 6.0295E-06
S6 -1.1642E-04 1.6475E-04 4.5043E-05 -5.6422E-06 -1.2281E-06 -1.5052E-05 -9.6253E-06
S7 5.8639E-04 -2.7738E-04 -7.3206E-05 -5.3073E-05 9.8541E-05 -9.5105E-06 -3.8870E-05
S8 3.0637E-03 -2.4985E-03 1.1911E-03 -1.1064E-03 3.6236E-04 -3.8176E-04 3.6989E-05
S9 7.9416E-03 -4.0587E-03 2.6268E-03 -1.2391E-03 4.2449E-04 -1.8040E-04 -3.9098E-06
S10 1.1470E-02 -3.5818E-03 3.3734E-03 -1.4686E-03 1.4400E-03 -9.7891E-04 4.4561E-04
TABLE 6-2
Fig. 6A shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 3, which represents the deviation of the convergent focal points of light rays of different wavelengths after passing through the lens. Fig. 6B shows an astigmatism curve representing meridional field curvature and sagittal field curvature of the optical imaging lens of embodiment 3. Fig. 6C shows a distortion curve of the optical imaging lens of embodiment 3, which represents distortion magnitude values corresponding to different image heights. Fig. 6D shows a chromatic aberration of magnification curve of the optical imaging lens of embodiment 3, which represents a deviation of different image heights on the imaging plane after light passes through the lens. As can be seen from fig. 6A to 6D, the optical imaging lens according to embodiment 3 can achieve good imaging quality.
Example 4
An optical imaging lens according to embodiment 4 of the present application is described below with reference to fig. 7 to 8D. Fig. 7 shows a schematic structural diagram of an optical imaging lens according to embodiment 4 of the present application.
As shown in fig. 7, the optical imaging lens includes, in order from an object side to an image side: a stop STO, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, a filter E6, and an image forming surface S13.
The first lens element E1 has positive power, and has a convex object-side surface S1 and a convex image-side surface S2. The second lens element E2 has negative power, and has a convex object-side surface S3 and a concave image-side surface S4. The third lens element E3 has negative power, and has a convex object-side surface S5 and a concave image-side surface S6. The fourth lens element E4 has positive power, and has a convex object-side surface S7 and a convex image-side surface S8. The fifth lens element E5 has negative power, and has a convex object-side surface S9 and a concave image-side surface S10. Filter E6 has an object side S11 and an image side S12. The light from the object sequentially passes through the respective surfaces S1 to S12 and is finally imaged on the imaging surface S13.
In this example, the total effective focal length f of the optical imaging lens is 3.19mm, the total length TTL of the optical imaging lens is 3.87mm, the half ImgH of the diagonal length of the effective pixel area on the imaging plane S13 of the optical imaging lens is 2.72mm, the half Semi-FOV of the maximum field angle of the optical imaging lens is 39.32 °, and the aperture value Fno of the optical imaging lens is 2.60.
Table 7 shows a basic parameter table of the optical imaging lens of embodiment 4, in which the units of the radius of curvature, the thickness/distance, and the focal length are all millimeters (mm). Tables 8-1 and 8-2 show the high-order term coefficients that can be used for each aspherical mirror surface in example 4, wherein each aspherical mirror surface type can be defined by the formula (1) given in example 1 above.
Figure BDA0002764134580000121
TABLE 7
Figure BDA0002764134580000122
Figure BDA0002764134580000131
TABLE 8-1
Flour mark A18 A20 A22 A24 A26 A28 A30
S1 -1.2136E-05 -5.8160E-07 1.8980E-06 1.1668E-06 2.9938E-07 -7.2538E-07 1.5873E-07
S2 -4.2781E-05 3.1089E-05 -2.2818E-05 1.9836E-05 -1.0925E-05 2.8227E-06 -2.5897E-07
S3 -6.9400E-06 1.6944E-05 -4.8261E-06 4.3371E-06 6.8065E-06 -1.0810E-05 3.7202E-06
S4 -5.6959E-06 -3.3881E-06 1.1359E-05 -1.3548E-05 2.2701E-06 -7.7439E-06 5.7076E-06
S5 -1.0843E-04 3.8383E-05 -3.8856E-05 2.6121E-05 -8.8517E-06 5.7500E-06 -1.7850E-06
S6 -3.2381E-05 -1.2802E-05 1.1068E-05 -1.0936E-05 1.4190E-05 -6.5645E-06 9.9433E-07
S7 1.2561E-04 -1.6534E-05 6.4939E-05 -6.2635E-05 3.0644E-05 -8.4844E-06 9.8942E-07
S8 -8.5123E-04 1.8426E-04 3.2826E-05 -8.8569E-05 5.0618E-05 -9.3853E-06 2.9583E-07
S9 7.6278E-05 -1.3682E-04 1.3635E-04 -1.7283E-04 9.5582E-05 -2.2888E-05 1.9632E-06
S10 5.1311E-04 -5.2419E-04 4.5120E-04 -3.9833E-04 3.0898E-04 -1.0207E-04 9.9230E-06
TABLE 8-2
Fig. 8A shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 4, which represents the deviation of the convergent focal points of light rays of different wavelengths after passing through the lens. Fig. 8B shows an astigmatism curve representing meridional field curvature and sagittal field curvature of the optical imaging lens of embodiment 4. Fig. 8C shows a distortion curve of the optical imaging lens of embodiment 4, which represents distortion magnitude values corresponding to different image heights. Fig. 8D shows a chromatic aberration of magnification curve of the optical imaging lens of embodiment 4, which represents the deviation of different image heights on the imaging plane after light passes through the lens. As can be seen from fig. 8A to 8D, the optical imaging lens according to embodiment 4 can achieve good imaging quality.
Example 5
An optical imaging lens according to embodiment 5 of the present application is described below with reference to fig. 9 to 10D. Fig. 9 shows a schematic structural diagram of an optical imaging lens according to embodiment 5 of the present application.
As shown in fig. 9, the optical imaging lens includes, in order from an object side to an image side: a stop STO, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, a filter E6, and an image forming surface S13.
The first lens element E1 has positive power, and has a convex object-side surface S1 and a convex image-side surface S2. The second lens element E2 has negative power, and has a convex object-side surface S3 and a concave image-side surface S4. The third lens element E3 has negative power, and has a convex object-side surface S5 and a concave image-side surface S6. The fourth lens element E4 has positive power, and has a convex object-side surface S7 and a convex image-side surface S8. The fifth lens element E5 has negative power, and has a convex object-side surface S9 and a concave image-side surface S10. Filter E6 has an object side S11 and an image side S12. The light from the object sequentially passes through the respective surfaces S1 to S12 and is finally imaged on the imaging surface S13.
In this example, the total effective focal length f of the optical imaging lens is 3.22mm, the total length TTL of the optical imaging lens is 3.85mm, the half ImgH of the diagonal length of the effective pixel area on the imaging plane S13 of the optical imaging lens is 2.72mm, the half Semi-FOV of the maximum field angle of the optical imaging lens is 39.39 °, and the aperture value Fno of the optical imaging lens is 2.60.
Table 9 shows a basic parameter table of the optical imaging lens of embodiment 5, in which the units of the radius of curvature, the thickness/distance, and the focal length are all millimeters (mm). Tables 10-1 and 10-2 show the high-order term coefficients that can be used for each aspherical mirror surface in example 5, wherein each aspherical mirror surface type can be defined by the formula (1) given in example 1 above.
Figure BDA0002764134580000141
TABLE 9
Flour mark A4 A6 A8 A10 A12 A14 A16
S1 -7.4106E-03 -9.1559E-04 8.9430E-05 -9.6731E-05 1.8019E-05 1.0265E-05 8.7367E-06
S2 -7.4106E-03 -9.1559E-04 8.9430E-05 -9.6731E-05 1.8019E-05 1.0265E-05 8.7367E-06
S3 -1.2567E-03 3.4686E-03 -1.0522E-04 -1.6596E-04 1.1281E-04 -5.0402E-05 -2.4206E-07
S4 4.5857E-02 4.6697E-03 -5.2203E-05 1.6584E-04 -5.4567E-05 4.1578E-05 -2.9060E-05
S5 -9.2684E-02 -1.8564E-03 -6.2489E-04 -3.9863E-04 4.2133E-04 -2.6872E-04 1.6239E-04
S6 -2.9929E-01 2.8245E-02 -2.8261E-03 2.2545E-03 -9.0378E-05 -1.8587E-04 2.4385E-05
S7 -6.3782E-01 -4.7760E-02 1.5225E-02 7.7031E-03 -1.8886E-03 -2.0454E-03 1.0569E-05
S8 2.0067E-01 -1.3905E-01 6.9219E-02 -2.6794E-02 1.1210E-03 -3.4695E-05 1.7411E-03
S9 -1.1608E+00 3.7885E-01 -1.2973E-01 3.1732E-02 -6.2284E-03 -3.4351E-03 1.3707E-03
S10 -3.1887E+00 5.9429E-01 -1.8437E-01 5.4023E-02 -1.5425E-02 4.2896E-03 -7.1519E-03
TABLE 10-1
Figure BDA0002764134580000142
Figure BDA0002764134580000151
TABLE 10-2
Fig. 10A shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 5, which represents the deviation of the convergent focal points of light rays of different wavelengths after passing through the lens. Fig. 10B shows an astigmatism curve representing meridional field curvature and sagittal field curvature of the optical imaging lens of embodiment 5. Fig. 10C shows a distortion curve of the optical imaging lens of embodiment 5, which represents distortion magnitude values corresponding to different image heights. Fig. 10D shows a chromatic aberration of magnification curve of the optical imaging lens of embodiment 5, which represents a deviation of different image heights on the imaging surface after light passes through the lens. As can be seen from fig. 10A to 10D, the optical imaging lens according to embodiment 5 can achieve good imaging quality.
Example 6
An optical imaging lens according to embodiment 6 of the present application is described below with reference to fig. 11 to 12D. Fig. 11 shows a schematic structural view of an optical imaging lens according to embodiment 6 of the present application.
As shown in fig. 11, the optical imaging lens includes, in order from an object side to an image side: a stop STO, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, a filter E6, and an image forming surface S13.
The first lens element E1 has positive power, and has a convex object-side surface S1 and a convex image-side surface S2. The second lens element E2 has negative power, and has a convex object-side surface S3 and a concave image-side surface S4. The third lens element E3 has negative power, and has a convex object-side surface S5 and a concave image-side surface S6. The fourth lens element E4 has negative power, and has a convex object-side surface S7 and a concave image-side surface S8. The fifth lens element E5 has positive power, and has a convex object-side surface S9 and a concave image-side surface S10. Filter E6 has an object side S11 and an image side S12. The light from the object sequentially passes through the respective surfaces S1 to S12 and is finally imaged on the imaging surface S13.
In this example, the total effective focal length f of the optical imaging lens is 3.33mm, the total length TTL of the optical imaging lens is 4.11mm, the half ImgH of the diagonal length of the effective pixel area on the imaging plane S13 of the optical imaging lens is 2.88mm, the half Semi-FOV of the maximum field angle of the optical imaging lens is 39.64 °, and the aperture value Fno of the optical imaging lens is 2.31.
Table 11 shows a basic parameter table of the optical imaging lens of embodiment 6, in which the units of the radius of curvature, the thickness/distance, and the focal length are all millimeters (mm). Tables 12-1 and 12-2 show the high-order term coefficients that can be used for each aspherical mirror surface in example 6, wherein each aspherical mirror surface type can be defined by the formula (1) given in example 1 above.
Figure BDA0002764134580000152
Figure BDA0002764134580000161
TABLE 11
Flour mark A4 A6 A8 A10 A12 A14 A16
S1 -1.0710E-02 -8.3062E-04 -1.6568E-04 1.8859E-05 -2.3890E-05 9.4127E-06 -7.9823E-06
S2 -5.1457E-02 3.5787E-04 -1.3118E-04 -1.0087E-04 3.9087E-06 -2.8500E-06 2.4605E-06
S3 -4.7091E-03 4.6572E-03 -2.6961E-04 -1.6966E-04 -2.7934E-06 5.5082E-06 -8.8239E-06
S4 4.7642E-02 6.5550E-03 2.7607E-04 4.5102E-05 -1.9737E-05 5.4166E-06 -9.8466E-06
S5 -1.1509E-01 -2.0524E-03 -2.2145E-03 3.1418E-05 -2.9943E-04 -5.3005E-05 -6.9114E-05
S6 -3.1166E-01 3.7903E-02 2.1800E-04 2.9881E-03 -2.2908E-03 -2.1115E-04 -3.9897E-04
S7 -7.2954E-01 3.7706E-02 2.6019E-02 1.5724E-02 -1.1121E-02 -1.2051E-03 -7.7709E-05
S8 -1.4621E+00 2.4177E-01 -8.5663E-02 3.9809E-02 -3.0774E-02 1.5415E-02 -4.6240E-03
S9 -2.8399E+00 8.6804E-01 -3.1185E-01 1.0309E-01 -3.8702E-02 1.6400E-02 -8.4782E-03
S10 -3.7678E+00 6.8562E-01 -1.8482E-01 9.1286E-02 -3.3817E-02 1.1296E-02 -1.4121E-02
TABLE 12-1
Flour mark A18 A20 A22 A24 A26 A28 A30
S1 3.1544E-06 -3.9507E-06 4.8449E-06 -1.4607E-07 2.0651E-06 -3.4480E-06 1.0525E-06
S2 8.6689E-07 2.2923E-06 7.9291E-07 6.5391E-07 -1.2263E-06 1.0864E-07 -4.4067E-07
S3 -1.7855E-06 -5.0256E-06 -1.6063E-06 -1.1412E-06 7.3642E-07 -3.0065E-07 1.3298E-06
S4 -2.0655E-06 -2.5676E-06 1.6637E-07 -6.3500E-07 1.8403E-07 -4.2800E-07 -1.8066E-07
S5 -1.1179E-05 -9.4434E-06 3.2830E-06 2.2783E-06 2.3740E-06 3.0603E-06 1.0525E-06
S6 1.2448E-04 6.2889E-06 7.5702E-05 1.1123E-05 8.6549E-06 -3.0210E-06 -6.7967E-06
S7 1.1219E-03 -3.3367E-04 -9.6262E-06 -1.1044E-05 6.4064E-05 1.2402E-05 -2.7648E-05
S8 3.8620E-03 -2.1833E-03 1.2726E-03 -3.5146E-04 1.9538E-04 -1.8712E-04 -7.2453E-05
S9 5.3179E-03 -3.3374E-03 2.2855E-03 -8.2810E-04 -1.1622E-05 1.9579E-04 -8.1632E-05
S10 2.6798E-03 -1.6595E-03 1.5223E-03 -4.7592E-05 4.8170E-04 4.8262E-05 7.3448E-05
TABLE 12-2
Fig. 12A shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 6, which represents the deviation of the convergent focal points of light rays of different wavelengths after passing through the lens. Fig. 12B shows an astigmatism curve representing meridional field curvature and sagittal field curvature of the optical imaging lens of embodiment 6. Fig. 12C shows a distortion curve of the optical imaging lens of embodiment 6, which represents distortion magnitude values corresponding to different image heights. Fig. 12D shows a chromatic aberration of magnification curve of the optical imaging lens of embodiment 6, which represents a deviation of different image heights on the imaging surface after light passes through the lens. As can be seen from fig. 12A to 12D, the optical imaging lens according to embodiment 6 can achieve good imaging quality.
In summary, examples 1 to 6 each satisfy the relationship shown in table 13.
Conditions/examples 1 2 3 4 5 6
ImgH/f 0.90 0.89 0.90 0.85 0.84 0.87
CT2/CTmax 0.25 0.24 0.24 0.26 0.28 0.23
f/R2 -0.22 -0.18 -0.24 -0.16 -0.06 -0.19
f/(f2+f3) -0.22 -0.25 -0.09 -0.22 -0.23 -0.20
DT21/DT11 1.10 1.10 1.10 1.17 1.14 1.12
DT22/DT31 0.87 0.87 0.87 0.88 0.87 0.89
10×SAG41/DT41 -1.17 -1.11 -1.39 -0.76 -0.06 -1.48
R10/R9 0.14 0.88 0.70 0.23 0.36 0.88
R6/R5 0.33 0.29 0.41 0.24 0.35 0.38
T23/CT3 0.97 0.88 0.92 0.91 0.83 0.83
tan(Semi-FOV) 0.87 0.86 0.85 0.82 0.82 0.83
Watch 13
The present application also provides an imaging device whose electron photosensitive element may be a photo-coupled device (CCD) or a complementary metal oxide semiconductor device (CMOS). The imaging device may be a stand-alone imaging device such as a digital camera, or may be an imaging module integrated on a mobile electronic device such as a mobile phone. The imaging device is equipped with the optical imaging lens described above.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims (10)

1. The optical imaging lens assembly, in order from an object side to an image side along an optical axis, comprises:
the image side surface of the first lens is a convex surface;
a second lens having a negative optical power;
a third lens with negative focal power, wherein the object side surface of the third lens is a convex surface, and the image side surface of the third lens is a concave surface;
a fourth lens having a focal power, an object-side surface of which is convex; and
a fifth lens having a refractive power, an object-side surface of which is convex;
the total effective focal length f of the optical imaging lens and the half of the diagonal length ImgH of the effective pixel area on the imaging surface of the optical imaging lens meet the following conditions: ImgH/f > 0.8; and
a center thickness CT2 of the second lens on the optical axis and a maximum value CTmax of center thicknesses CTmax of the first to fifth lenses on the optical axis satisfy: 0 < CT2/CTmax < 0.4.
2. The optical imaging lens of claim 1, wherein the total effective focal length f of the optical imaging lens and the radius of curvature R2 of the image side surface of the first lens satisfy: -0.4 < f/R2 < 0.
3. The optical imaging lens of claim 1, wherein the radius of curvature R9 of the object-side surface of the fifth lens and the radius of curvature R10 of the image-side surface of the fifth lens satisfy: 0 < R10/R9 < 1.
4. The optical imaging lens of claim 1, wherein the radius of curvature R5 of the object-side surface of the third lens and the radius of curvature R6 of the image-side surface of the third lens satisfy: 0 < R6/R5 < 0.6.
5. The optical imaging lens of claim 1, wherein a center thickness CT3 of the third lens on the optical axis and a separation distance T23 of the second lens and the third lens on the optical axis satisfy: T23/CT3 is more than 0.5 and less than or equal to 0.97.
6. The optical imaging lens of claim 1, wherein a distance SAG41 on the optical axis from an intersection point of the object-side surface of the fourth lens and the optical axis to an effective radius vertex of the object-side surface of the fourth lens to the effective radius DT41 of the object-side surface of the fourth lens satisfies: 10 XSAG 41/DT41 is more than-1.6 and less than-0.06.
7. The optical imaging lens of claim 1, wherein an effective radius DT31 of an object side surface of the third lens and an effective radius DT22 of an image side surface of the second lens satisfy: DT22/DT31 is less than or equal to 0.89.
8. The optical imaging lens of claim 1, wherein an effective radius DT11 of the object side surface of the first lens and an effective radius DT21 of the object side surface of the second lens satisfy: DT21/DT11 is more than or equal to 1.1 and less than or equal to 1.3.
9. The optical imaging lens of claim 1, wherein the total effective focal length f of the optical imaging lens, the effective focal length f2 of the second lens and the effective focal length f3 of the third lens satisfy: -0.4 < f/(f2+ f3) < 0.
10. The optical imaging lens assembly, in order from an object side to an image side along an optical axis, comprises:
the image side surface of the first lens is a convex surface;
a second lens having a negative optical power;
a third lens with negative focal power, wherein the object side surface of the third lens is a convex surface, and the image side surface of the third lens is a concave surface;
a fourth lens having a focal power, an object-side surface of which is convex; and
a fifth lens having a refractive power, an object-side surface of which is convex;
half of the Semi-FOV of the maximum field angle of the optical imaging lens satisfies: tan (Semi-FOV) is not less than 0.82.
CN202011227715.2A 2020-11-06 2020-11-06 Optical imaging lens Pending CN112180565A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113933970A (en) * 2021-10-28 2022-01-14 玉晶光电(厦门)有限公司 Optical imaging lens
CN114755802A (en) * 2022-04-28 2022-07-15 浙江舜宇光学有限公司 Imaging lens
CN117031709A (en) * 2023-09-05 2023-11-10 江西联益光学有限公司 Optical lens
CN113933970B (en) * 2021-10-28 2024-07-16 玉晶光电(厦门)有限公司 Optical imaging lens

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113933970A (en) * 2021-10-28 2022-01-14 玉晶光电(厦门)有限公司 Optical imaging lens
CN113933970B (en) * 2021-10-28 2024-07-16 玉晶光电(厦门)有限公司 Optical imaging lens
CN114755802A (en) * 2022-04-28 2022-07-15 浙江舜宇光学有限公司 Imaging lens
CN114755802B (en) * 2022-04-28 2023-09-29 浙江舜宇光学有限公司 imaging lens
CN117031709A (en) * 2023-09-05 2023-11-10 江西联益光学有限公司 Optical lens
CN117031709B (en) * 2023-09-05 2024-01-30 江西联益光学有限公司 Optical lens

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