CN209343028U - Pick-up lens - Google Patents

Pick-up lens Download PDF

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Publication number
CN209343028U
CN209343028U CN201920019076.7U CN201920019076U CN209343028U CN 209343028 U CN209343028 U CN 209343028U CN 201920019076 U CN201920019076 U CN 201920019076U CN 209343028 U CN209343028 U CN 209343028U
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lens
pick
object side
focal length
effective focal
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CN201920019076.7U
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戴付建
吕赛锋
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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Abstract

This application discloses a kind of pick-up lens, which sequentially includes first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens by object side to image side along optical axis.Wherein, the first lens and the 6th lens have negative power；The third lens and the 5th lens have positive light coke；At least one lens of first lens into the 6th lens have non-rotationally-symmetric aspherical；And the maximum of T DT of the TV distortion in the areas imaging of pick-up lens meets | TDT |≤2.5%.

Description

Pick-up lens
Technical field
This application involves a kind of pick-up lens, more particularly, to a kind of pick-up lens including six-element lens.
Background technique
With the quick update of such as intelligent electronic devices such as mobile phone, computer and plate, market is to these products Pick-up lens require it is also higher and higher.Other than requiring lens imaging to have high-resolution and large aperture, also require compared with All there is excellent image quality in wide field range.However, the field of view angle of pick-up lens is bigger, the image captured TV distortion (TV distortion) is usually more serious.
Meanwhile entrained wide-angle lens mostly uses six chip lens arrangements on current main-stream mobile phone, and each lens are big The aspherical of rotational symmetry (axial symmetry) is mostly used to be used as its surface structure.The aspherical of this kind of rotational symmetry can regard son as What a curve in noon plane was formed around 360 ° of optical axis rotation, therefore it only has in meridional plane adequately freely Degree, can not well correct off-axis aberration.In addition, the aspherical TV distortion correction to wide-angle lens of rotational symmetry Have no substantive contribution.
Utility model content
This application provides be applicable to portable electronic product, can at least solve or part solve it is in the prior art The pick-up lens of at least one above-mentioned disadvantage, such as the small distortion pick-up lens of wide-angle.
On the one hand, this application provides such a pick-up lens, the pick-up lens along optical axis by object side to image side according to Sequence includes first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.Its In, the first lens and the 6th lens can have negative power；The third lens and the 5th lens can have positive light coke；First lens At least one lens into the 6th lens can have non-rotationally-symmetric aspherical.Wherein, in the areas imaging of pick-up lens TV distortion maximum of T DT can meet | TDT |≤2.5%.
In one embodiment, the object side of the second lens can be convex surface, and image side surface can be concave surface；And the 4th lens Object side can be concave surface.
In one embodiment, the image height of the Y direction of the image height IHx and pick-up lens of the X-direction of pick-up lens IHy can meet
In one embodiment, the image side surface of the 6th lens is non-rotationally-symmetric aspherical；And the 6th lens The processing subtended angle θ of image side surface can meet 72 ° of θ <.
In one embodiment, the Y direction of the effective focal length fy2 and the third lens of the Y direction of the second lens Effective focal length fy3 can meet 3.0 < fy2/fy3 < 5.0.
In one embodiment, the X-direction of the effective focal length fx5 and the 6th lens of the X-direction of the 5th lens Effective focal length fx6 can meet -0.5 < fx5/fx6 < 0.
In one embodiment, the Y direction of the effective focal length fy1 and the second lens of the Y direction of the first lens Effective focal length fy2 can meet -0.5 < fy1/fy2 < 0.
In one embodiment, the object side of the first lens can be concave surface；And the Y direction of pick-up lens is effective The radius of curvature R 1 of the object side of focal length fy and the first lens can meet -1.0 < fy/R1 < 0.
In one embodiment, the Y direction of the full filed angle FOVx and pick-up lens of the X-direction of pick-up lens Full filed angle FOVy can meet tan (FOVx/2) × tan (FOVy/2) < 2.0.
On the other hand, this application provides such a pick-up lens, and the pick-up lens is along optical axis by object side to image side It sequentially include first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.Its In, the first lens and the 6th lens can have negative power；The third lens and the 5th lens can have positive light coke；First lens At least one lens into the 6th lens can have non-rotationally-symmetric aspherical.Wherein, the X-direction of the 5th lens has The effective focal length fx6 of the X-direction of effect focal length fx5 and the 6th lens can meet -0.5 < fx5/fx6 < 0.
Another aspect, this application provides such a pick-up lens, and the pick-up lens is along optical axis by object side to image side It sequentially include first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.Its In, the first lens and the 6th lens can have negative power；The third lens and the 5th lens can have positive light coke；First lens At least one lens into the 6th lens can have non-rotationally-symmetric aspherical.Wherein, the object side of the second lens can be Convex surface, image side surface can be concave surface；And the 4th the object sides of lens can be concave surface.
Another aspect, this application provides such a pick-up lens, and the pick-up lens is along optical axis by object side to image side It sequentially include first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.Its In, the first lens and the 6th lens can have negative power；The third lens and the 5th lens can have positive light coke；First lens At least one lens into the 6th lens can have non-rotationally-symmetric aspherical.Wherein, the image side surface right and wrong of the 6th lens Rotational symmetry it is aspherical；And the 6th the processing subtended angle θ of image side surface of lens can meet 72 ° of θ <.
Another aspect, this application provides such a pick-up lens, and the pick-up lens is along optical axis by object side to image side It sequentially include first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.Its In, the first lens and the 6th lens can have negative power；The third lens and the 5th lens can have positive light coke；First lens At least one lens into the 6th lens can have non-rotationally-symmetric aspherical.Wherein, the picture of the X-direction of pick-up lens The image height IHy of the Y direction of high IHx and pick-up lens can meet
Another aspect, this application provides such a pick-up lens, and the pick-up lens is along optical axis by object side to image side It sequentially include first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.Its In, the first lens and the 6th lens can have negative power；The third lens and the 5th lens can have positive light coke；First lens At least one lens into the 6th lens can have non-rotationally-symmetric aspherical.Wherein, the Y direction of the second lens has The effective focal length fy3 of the Y direction of effect focal length fy2 and the third lens can meet 3.0 < fy2/fy3 < 5.0.
Another aspect, this application provides such a pick-up lens, and the pick-up lens is along optical axis by object side to image side It sequentially include first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.Its In, the first lens and the 6th lens can have negative power；The third lens and the 5th lens can have positive light coke；First lens At least one lens into the 6th lens can have non-rotationally-symmetric aspherical.Wherein, the Y direction of the first lens has The effective focal length fy2 of the Y direction of effect focal length fy1 and the second lens can meet -0.5 < fy1/fy2 < 0.
Another aspect, this application provides such a pick-up lens, and the pick-up lens is along optical axis by object side to image side It sequentially include first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.Its In, the first lens and the 6th lens can have negative power；The third lens and the 5th lens can have positive light coke；First lens At least one lens into the 6th lens can have non-rotationally-symmetric aspherical.Wherein, the object side of the first lens can be Concave surface；And the radius of curvature R 1 of the object side of the effective focal length fy and the first lens of the Y direction of pick-up lens can meet- 1.0 < fy/R1 < 0.
Another aspect, this application provides such a pick-up lens, and the pick-up lens is along optical axis by object side to image side It sequentially include first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.Its In, the first lens and the 6th lens can have negative power；The third lens and the 5th lens can have positive light coke；First lens At least one lens into the 6th lens can have non-rotationally-symmetric aspherical.Wherein, the X-direction of pick-up lens is complete The full filed angle FOVy of the Y direction of field angle FOVx and pick-up lens can meet tan (FOVx/2) × tan (FOVy/2) < 2.0。
The application uses multi-disc (for example, six) lens, by each power of lens of reasonable distribution, face type, each Spacing etc. on axis between the center thickness of mirror and each lens, so that above-mentioned pick-up lens has wide-angle, small distortion, high image planes At least one beneficial effect such as brightness and high imaging quality.In addition, it is non-rotationally-symmetric aspherical by introducing, to camera lens The outer meridian aberration of the axis of head and sagitta of arc aberration are corrected simultaneously, reduce the TV distortion of pick-up lens actual imaging, thus into The promotion of one step acquisition image quality.
Detailed description of the invention
In conjunction with attached drawing, by the detailed description of following non-limiting embodiment, other features of the application, purpose and excellent Point will be apparent.In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the pick-up lens according to the embodiment of the present application 1；
Fig. 2 diagrammatically illustrates situation of the RMS spot diameter of the pick-up lens of embodiment 1 in first quartile；
Fig. 3 shows the TV distortion figure according to the pick-up lens of the embodiment of the present application 1；
Fig. 4 shows the structural schematic diagram of the pick-up lens according to the embodiment of the present application 2；
Fig. 5 diagrammatically illustrates situation of the RMS spot diameter of the pick-up lens of embodiment 2 in first quartile；
Fig. 6 shows the TV distortion figure according to the pick-up lens of the embodiment of the present application 2；
Fig. 7 shows the structural schematic diagram of the pick-up lens according to the embodiment of the present application 3；
Fig. 8 diagrammatically illustrates situation of the RMS spot diameter of the pick-up lens of embodiment 3 in first quartile；
Fig. 9 shows the TV distortion figure according to the pick-up lens of the embodiment of the present application 3；
Figure 10 shows the structural schematic diagram of the pick-up lens according to the embodiment of the present application 4；
Figure 11 diagrammatically illustrates situation of the RMS spot diameter of the pick-up lens of embodiment 4 in first quartile；
Figure 12 shows the TV distortion figure according to the pick-up lens of the embodiment of the present application 4；
Figure 13 shows the structural schematic diagram of the pick-up lens according to the embodiment of the present application 5；
Figure 14 diagrammatically illustrates situation of the RMS spot diameter of the pick-up lens of embodiment 5 in first quartile；
Figure 15 shows the TV distortion figure according to the pick-up lens of the embodiment of the present application 5；
Figure 16 shows the structural schematic diagram of the pick-up lens according to the embodiment of the present application 6；
Figure 17 diagrammatically illustrates situation of the RMS spot diameter of the pick-up lens of embodiment 6 in first quartile；
Figure 18 shows the TV distortion figure according to the pick-up lens of the embodiment of the present application 6；
Figure 19 shows the structural schematic diagram of the pick-up lens according to the embodiment of the present application 7；
Figure 20 diagrammatically illustrates situation of the RMS spot diameter of the pick-up lens of embodiment 7 in first quartile；
Figure 21 shows the TV distortion figure according to the pick-up lens of the embodiment of the present application 7.
Specific embodiment
Various aspects of the reference attached drawing to the application are made more detailed description by the application in order to better understand.It answers Understand, the only description to the illustrative embodiments of the application is described in detail in these, rather than limits the application in any way Range.In the specification, the identical element of identical reference numbers.Stating "and/or" includes associated institute Any and all combinations of one or more of list of items.
It should be noted that in the present specification, first, second, third, etc. statement is only used for a feature and another spy Sign distinguishes, without indicating any restrictions to feature.Therefore, without departing substantially from teachings of the present application, hereinafter The first lens discussed are also known as the second lens or the third lens.
In the accompanying drawings, for ease of description, thickness, the size and shape of lens are slightly exaggerated.Specifically, attached drawing Shown in spherical surface or aspherical shape be illustrated by way of example.That is, spherical surface or aspherical shape are not limited to attached drawing Shown in spherical surface or aspherical shape.Attached drawing is merely illustrative and and non-critical drawn to scale.
Herein, near axis area refers to the region near optical axis.If lens surface is convex surface and does not define convex surface position When setting, then it represents that the lens surface is convex surface near axis area is less than；If lens surface is concave surface and does not define the concave surface position When, then it represents that the lens surface is concave surface near axis area is less than.In each lens, it is known as this thoroughly near the surface of object The object side of mirror；In each lens, the image side surface of the lens is known as near the surface of imaging surface.
Herein, for the convenience of description, we define X-axis, Y-axis and Z axis X-Y-Z rectangular co-ordinate perpendicular to one another System, in the rectangular coordinate system, origin is located on the optical axis of pick-up lens, Z axis and optical axis coincidence, and X-axis is vertical with Z axis and position In in sagittal plane, Y-axis is vertical with Z axis and is located in meridional plane.In addition, wording " processing subtended angle " is defined as the surface of lens Along the machining angle in the angular bisector direction of X-axis and Y-axis.
However, it should be understood that " X-direction " mentioned herein, " Y direction " and " Z-direction " only indicates to divide The not direction parallel with the X-axis of rectangular coordinate system, Y-axis and Z axis, rather than it is limited to three axis of rectangular coordinate system.Unless otherwise Illustrate, otherwise each mark of reference herein indicates the characteristic parameter value of the Y direction along pick-up lens.For example, not having In the case where special instruction, the R1 in conditional " fy/R1 " indicates the radius of curvature of the Y direction of the object side of the first lens.
It will also be appreciated that term " comprising ", " including ", " having ", "comprising" and/or " including ", when in this theory It indicates there is stated feature, element and/or component when using in bright book, but does not preclude the presence or addition of one or more Other feature, component, assembly unit and/or their combination.In addition, ought the statement of such as at least one of " ... " appear in institute When after the list of column feature, entire listed feature is modified, rather than modifies the individual component in list.In addition, when describing this When the embodiment of application, " one or more embodiments of the application " are indicated using "available".Also, term " illustrative " It is intended to refer to example or illustration.
Unless otherwise defined, otherwise all terms (including technical terms and scientific words) used herein all have with The application one skilled in the art's is generally understood identical meaning.It will also be appreciated that term (such as in everyday words Term defined in allusion quotation) it should be interpreted as having and their consistent meanings of meaning in the context of the relevant technologies, and It will not be explained with idealization or excessively formal sense, unless clear herein so limit.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
The feature of the application, principle and other aspects are described in detail below.
Pick-up lens according to the application illustrative embodiments may include such as six lens with focal power, that is, First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.This six-element lens is along optical axis by object Side to image side sequential can have airspace between each adjacent lens.
In the exemplary embodiment, the first lens can have negative power；Second lens have positive light coke or negative light Focal power；The third lens can have positive light coke；4th lens have positive light coke or negative power；5th lens can have positive light Focal power；6th lens can have negative power.Meet above-mentioned focal power distribution, is conducive to the deviation angle for slowing down light, thus It takes the photograph remote principle using counter and achievees the purpose that increase field of view angle, remote structure phase is especially taken the photograph using positive lens with the first lens Than making the first lens that there is negative power system may make to be easier to increase field of view angle.
Furthermore, it is possible to object side and/or image side surface by least one lens by the first lens into the 6th lens It is set as non-rotationally-symmetric aspherical, further to promote image quality.It is non-rotationally-symmetric it is aspherical be a kind of free form surface, Rotational symmetry it is aspherical on the basis of, increase non-rotational symmetry component, thus introduce in lens system non-rotationally-symmetric It is aspherical to be conducive to by being effectively corrected to meridian aberration outside axis and sagitta of arc aberration, the greatly property of improving optical system Energy.Meanwhile introducing is non-rotationally-symmetric aspherical, also can reach the purpose for reducing TV distortion.Optionally, the image side of the 6th lens Face can be non-rotationally-symmetric aspherical.
In the exemplary embodiment, the object side of the second lens can be convex surface, and image side surface can be concave surface；4th lens Object side can be concave surface.The face type of the second lens of reasonable disposition and the 4th lens helps to improve to form class double gauss structure The aberration of wide-angle lens, and can improving optical system image quality；Meanwhile the 6th lens shape variation be conducive to match core Piece chief ray angle, prevents color error ratio.Optionally, the second lens can have positive light coke；And the 4th lens can have There is negative power and its image side surface can be concave surface.
In the exemplary embodiment, the object side of the third lens can be convex surface, and image side surface can be convex surface.
In the exemplary embodiment, the image side surface of the 5th lens can be convex surface.
In the exemplary embodiment, the object side of the 6th lens can be convex surface, and image side surface can be concave surface.
In the exemplary embodiment, the pick-up lens of the application can meet conditional | TDT |≤2.5%, wherein TDT The maximum value to distort for TV in the areas imaging of pick-up lens.Meet conditional | TDT |≤2.5%, be conducive to weaken big visual field The deformation of angle mirror head actual imaging.
In the exemplary embodiment, the pick-up lens of the application can meet 72 ° of conditional θ <, wherein θ is the 6th saturating The processing subtended angle of the image side surface of mirror.The processing subtended angle for limiting the image side surface of the 6th lens helps to ensure that the processing of the 6th lens In addition feasibility and machining accuracy also can guarantee detection accuracy, prevent from leading to not effectively detect because processing subtended angle is excessive.
In the exemplary embodiment, the pick-up lens of the application can meet conditional Wherein, IHx is the image height of the X-direction of pick-up lens, and IHy is the image height of the Y direction of pick-up lens.More specifically, IHx and IHy can further meetConditionalIt can guarantee that pick-up lens has super large image planes and realizes very-high solution；Matching chip simultaneously Shape is designed, and is also helped and is realized Bias Correction in Dutch treatment journey (that is, active alignment (Active Alignment)).
In the exemplary embodiment, the pick-up lens of the application can meet 3.0 < fy2/fy3 < 5.0 of conditional, In, fy2 is the effective focal length of the Y direction of the second lens, and fy3 is the effective focal length of the Y direction of the third lens.More specifically Ground, fy2 and fy3 can further meet 2.77≤fy2/fy3≤4.60.The second lens and the third lens are controlled in Y direction Effective focal length forms class double gauss symmetrical structure, is conducive to the aberration for eliminating optical system, and thoroughly with the first lens and the 4th Mirror cooperation, combination focal power are closer to, and so as to effectively eliminate aberration, and optical-modulation transfer function (MTF) can be improved Etc. performances.
In the exemplary embodiment, the pick-up lens of the application can meet -0.5 < fx5/fx6 < 0 of conditional, wherein Fx5 is the effective focal length of the X-direction of the 5th lens, and fx6 is the effective focal length of the X-direction of the 6th lens.More specifically, Fx5 and fx6 can further meet -0.4≤fx5/fx6≤- 0.1, such as -0.35≤fx5/fx6≤- 0.21.Thoroughly due to the 5th Mirror and/or the 6th lens use Random Curved Surface Designing, make it in X-direction and Y direction non-rotational symmetry, are conducive to reach and subtract The purpose of small TV distortion.
In the exemplary embodiment, the pick-up lens of the application can meet -0.5 < fy1/fy2 < 0 of conditional, wherein Fy1 is the effective focal length of the Y direction of the first lens, and fy2 is the effective focal length of the Y direction of the second lens.More specifically, Fy1 and fy2 can further meet -0.5 < -0.2 < fy1/fy2, such as -0.46≤fy1/fy2≤- 0.39.Meet conditional- 0.5 < fy1/fy2 < 0 is conducive to slow down deflection of light, reduces the susceptibility of the first lens；On the other hand, guarantee is also helped The compactedness of lens construction, and the image quality of peripheral field can be promoted.
In the exemplary embodiment, the object side of the first lens is concave surface；And the pick-up lens of the application can meet - 1.0 < fy/R1 < 0 of conditional, wherein fy is the effective focal length of the Y direction of pick-up lens, and R1 is the object side of the first lens The radius of curvature in face.More specifically, fy and R1 can further meet -1.0 < -0.5 < fy/R1, such as -0.90≤fy/R1≤- 0.55.Meet -1.0 < fy/R1 < 0 of conditional, is conducive to the first aperture of lens for reducing wide-angle lens, on the other hand can also increase The field of view angle of macro lens, while can also take into account the appearance looks elegant and consistency effect for more taking the photograph camera lens.Optionally, the first lens Image side surface can be concave surface.
In the exemplary embodiment, the pick-up lens of the application can meet conditional tan (FOVx/2) × tan (FOVy/ 2) 2.0 <, wherein FOVx is the full filed angle of the X-direction of pick-up lens, and FOVy is the full view of the Y direction of pick-up lens Rink corner.More specifically, FOVx and FOVy can further meet 0 < tan (FOVx/2) × tan (FOVy/2) < 1.5, such as 0.14 ≤tan(FOVx/2)×tan(FOVy/2)≤1.45.Meet conditional tan (FOVx/2) × tan (FOVy/2) < 2.0, can protect The coverage for demonstrate,proving pick-up lens is wide enough, and helps to realize " flake " camera lens effect under small distortion state.
In the exemplary embodiment, above-mentioned pick-up lens may also include diaphragm, to promote the image quality of camera lens.It is optional Ground, diaphragm may be provided between the second lens and the third lens.
Optionally, above-mentioned pick-up lens may also include the optical filter for correcting color error ratio and/or be located at for protecting The protection glass of photosensitive element on imaging surface.
Multi-disc eyeglass, such as described above six can be used according to the pick-up lens of the above embodiment of the application. By each power of lens of reasonable distribution, face type, each lens center thickness and each lens between axis on spacing etc., can The volume for effectively reducing camera lens, the machinability for reducing the susceptibility of camera lens and improving camera lens, so that pick-up lens is more advantageous In producing and processing and be applicable to portable electronic product.In addition, it is non-rotationally-symmetric aspherical by introducing, to camera lens The outer meridian aberration of the axis of head and sagitta of arc aberration are corrected, it is ensured that image planes brightness reaches and subtracts to further increase image quality The purpose of small TV distortion, so that pick-up lens has the characteristic of the small distortion of wide-angle.
In presently filed embodiment, the mirror surface of each lens mostly uses aspherical mirror.The characteristics of non-spherical lens, is: From lens centre to lens perimeter, curvature is consecutive variations.With the ball from lens centre to lens perimeter with constant curvature Face lens are different, and non-spherical lens has more preferably radius of curvature characteristic, and there is improvement to distort aberration and improve astigmatic image error Advantage.After non-spherical lens, the aberration occurred when imaging can be eliminated, as much as possible so as to improve at image quality Amount.Optionally, each lens in the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens Object side and at least one of image side surface can be aspherical.Optionally, the first lens, the second lens, the third lens, the 4th The object side and image side surface of lens and each lens in the 5th lens can be aspherical.
However, it will be understood by those of skill in the art that without departing from this application claims technical solution the case where Under, the lens numbers for constituting pick-up lens can be changed, to obtain each result and advantage described in this specification.Though for example, It is so described by taking six lens as an example in embodiments, but the pick-up lens is not limited to include six lens.If It needs, which may also include the lens of other quantity.
The specific embodiment for being applicable to the pick-up lens of above embodiment is further described with reference to the accompanying drawings.
Embodiment 1
Referring to Fig. 1 to Fig. 3 description according to the pick-up lens of the embodiment of the present application 1.Fig. 1 is shown according to the application reality Apply the structural schematic diagram of the pick-up lens of example 1.
As shown in Figure 1, sequentially being wrapped along optical axis by object side to image side according to the pick-up lens of the application illustrative embodiments Include: the first lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, Optical filter E7 and imaging surface S15.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is concave surface.Second lens E2 has Positive light coke, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is Convex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is concave surface.The Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is convex surface.6th lens E6 has negative power, Its object side S11 is convex surface, and image side surface S12 is concave surface.Optical filter E7 has object side S13 and image side surface S14.From object Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 1 shows the surface type, radius of curvature X, radius of curvature Y, thickness of each lens of the pick-up lens of embodiment 1 Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter (mm)。
Table 1
It should be understood that in upper table without especially indicate (blank space) " radius of curvature X " and " circular cone coefficient X " with it is right " radius of curvature Y " and " circular cone coefficient Y " numerical value answered is consistent.It is similar in following embodiment.
As shown in Table 1, appoint in the first lens E1, the second lens E2, the third lens E3, the 4th lens E4 and the 5th lens E5 It anticipates the object side an of lens and the object side S11 of image side surface and the 6th lens E6 is aspherical.In the present embodiment, respectively The face type x of non-spherical lens is available but is not limited to following aspherical formula and is defined:
Wherein, x be it is aspherical along optical axis direction when being highly the position of h, away from aspheric vertex of surface apart from rise；C is Aspherical paraxial curvature, c=1/R (that is, inverse that paraxial curvature c is upper 1 mean curvature radius R of table)；K be circular cone coefficient ( It has been provided in table 1)；Ai is the correction factor of aspherical i-th-th rank.The following table 2 give can be used for it is each aspherical in embodiment 1 The high-order coefficient A of mirror surface S1-S114、A6、A8、A10、A12、A14、A16、A18And A20。
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 3.7873E-01 -6.5704E-02 1.6266E-02 -5.0014E-03 1.3326E-03 -3.7291E-04 7.3216E-05 0 0
S2 2.7162E-01 -4.4550E-02 3.1551E-03 -1.5594E-03 3.0317E-04 4.9628E-05 3.2704E-05 0 0
S3 -3.2474E-03 -1.3683E-02 6.6793E-04 -1.6358E-04 1.4671E-04 1.4723E-05 -6.5201E-06 0 0
S4 1.6209E-02 2.1782E-03 8.7444E-04 2.2928E-04 9.0479E-05 1.4412E-05 8.4236E-06 0 0
S5 4.1975E-04 -3.9445E-04 -5.6657E-05 3.0201E-06 -7.1351E-06 3.1489E-06 -2.8700E-06 2.3177E-06 -5.1660E-07
S6 -5.5444E-02 -9.9131E-04 -3.6195E-04 4.0684E-05 2.5237E-06 7.1976E-06 1.7505E-05 4.2050E-06 ***2E-06
S7 -1.6191E-01 2.1206E-02 -5.9565E-04 1.0877E-03 1.6857E-04 9.5538E-05 1.2582E-05 7.2058E-06 -3.5971E-07
S8 -1.2269E-01 2.8370E-02 3.2517E-04 -1.5529E-03 1.1545E-03 -3.4359E-04 1.4233E-04 -4.0626E-05 1.1866E-05
S9 1.1339E-02 1.5853E-03 5.5950E-03 -5.3417E-03 2.5751E-03 -1.0459E-03 3.4745E-04 -9.5820E-05 1.6100E-05
S10 5.5174E-01 9.6116E-02 8.7529E-03 -1.7412E-03 -2.3852E-03 1.2928E-03 -1.8206E-05 2.2242E-04 -7.5715E-05
S11 -1.2202E+00 2.3608E-01 -1.6147E-02 5.3917E-03 8.2289E-04 -2.7027E-03 7.9405E-04 3.5427E-05 -3.5938E-05
Table 2
By table 1 it can also be seen that the image side surface S12 of the 6th lens E6 is non-rotationally-symmetric aspherical (that is, the face AAS), Non-rotationally-symmetric aspherical face type is available but is not limited to following non-rotationally-symmetric aspherical formula and is defined:
Wherein, z is the rise for being parallel to the face of Z-direction；Cx, Cy are respectively curvature (=1/ song of X, Y-direction vertex of surface Rate radius)；Kx, Ky are respectively X, Y-direction circular cone coefficient；AR, BR, CR, DR, ER, FR, GR, HR, JR are respectively aspherical rotation 4 ranks, 6 ranks, 8 ranks in symmetrical components, 10 ranks, 12 ranks, 14 ranks, 16 ranks, 18 ranks, 20 level numbers；AP,BP,CP,DP,EP,FP, GP, HP, JP are respectively 4 ranks, 6 ranks, 8 ranks, 10 ranks, 12 ranks, 14 ranks, 16 ranks, 18 ranks, 20 in aspherical non-rotational symmetry component Level number.The following table 3 give the AR, BR that can be used for the non-rotationally-symmetric aspherical S12 in embodiment 1, CR, DR, ER, FR, GR, HR, JR coefficient and AP, BP, CP, DP, EP, FP, GP, HP, JP coefficient.
AAS AR AP BR BP CR CP DR DP ER
S12 -2.9973E-01 7.8449E-04 2.5725E-01 2.1962E-04 -1.9359E-01 4.7099E-05 1.0637E-01 6.4734E-06 -3.9962E-02
AAS EP FR FP GR GP HR HP JR JP
S12 0.0000E+00 9.8295E-03 0.0000E+00 -1.4964E-03 0.0000E+00 1.2635E-04 0.0000E+00 -4.4520E-06 0.0000E+00
Table 3
Table 4 gives the X-axis side of the effective focal length fy1 to fy6 of the Y direction of each lens in embodiment 1, the 5th lens E5 To effective focal length fx5, the effective focal length fx6 of X-direction of the 6th lens E6, pick-up lens X-direction effective focal length The effective focal length fy of the Y direction of fx, pick-up lens, pick-up lens optics total length TTL (that is, from the object of the first lens E1 Distance of the side S1 to imaging surface S15 on optical axis), the image height IHx and IHy of the X-direction of pick-up lens and Y direction and The X-direction of pick-up lens and the full filed angle FOVx and FOVy of Y direction.
Table 4
Pick-up lens in embodiment 1 meets:
Wherein, IHx is the image height of the X-direction of pick-up lens, and IHy is pick-up lens Y direction image height；
Fy2/fy3=3.46, wherein fy2 is the effective focal length of the Y direction of the second lens E2, and fy3 is the third lens E3 Y direction effective focal length；
Fx5/fx6=-0.21, wherein fx5 is the effective focal length of the X-direction of the 5th lens E5, and fx6 is the 6th lens The effective focal length of the X-direction of E6；
Fy1/fy2=-0.39, wherein fy1 is the effective focal length of the Y direction of the first lens E1, and fy2 is the second lens The effective focal length of the Y direction of E2；
Fy/R1=-0.87, wherein fy is the effective focal length of the Y direction of pick-up lens, and R1 is the object of the first lens E1 The radius of curvature of side S1；
Tan (FOVx/2) × tan (FOVy/2)=1.45, wherein FOVx is the full filed of the X-direction of pick-up lens Angle, FOVy are the full filed angle of the Y direction of pick-up lens.
It is big at different image heights position in first quartile that Fig. 2 shows the RMS spot diameters of the pick-up lens of embodiment 1 Small situation.Fig. 3 shows the TV distortion figure of the pick-up lens of embodiment 1, indicates practical light and paraxial rays in vertical area Distortion difference on domain and horizontal zone.According to fig. 2 to Fig. 3 it is found that pick-up lens given by embodiment 1 can be realized well Image quality.
Embodiment 2
Referring to fig. 4 to fig. 6 description according to the pick-up lens of the embodiment of the present application 2.In the present embodiment and following implementation In example, for brevity, by clipped description similar to Example 1.Fig. 4 shows taking the photograph according to the embodiment of the present application 2 As the structural schematic diagram of camera lens.
As shown in figure 4, sequentially being wrapped along optical axis by object side to image side according to the pick-up lens of the application illustrative embodiments Include: the first lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, Optical filter E7 and imaging surface S15.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is concave surface.Second lens E2 has Positive light coke, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is Convex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is concave surface.The Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power, Its object side S11 is convex surface, and image side surface S12 is concave surface.Optical filter E7 has object side S13 and image side surface S14.From object Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 5 shows the surface type, radius of curvature X, radius of curvature Y, thickness of each lens of the pick-up lens of embodiment 2 Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter (mm)。
Table 5
As shown in Table 5, in example 2, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4 and The object side of any one lens and image side surface are aspherical in five lens E5；The object side S11 of 6th lens E6 and image side Face S12 is non-rotationally-symmetric aspherical.
Table 6 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 2, wherein each aspherical face type can It is limited by the formula (1) provided in above-described embodiment 1.Table 7 show can be used for it is non-rotationally-symmetric aspherical in embodiment 2 The rotational symmetry component of S11 and S12 and the higher order coefficient of non-rotational symmetry component, wherein non-rotationally-symmetric aspherical face Type can be limited by the formula (2) provided in above-described embodiment 1.
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 3.9329E-01 -4.5775E-01 4.3955E-01 -3.0845E-01 1.4959E-01 -4.3661E-02 5.5538E-03 0 0
S2 9.5166E-01 -1.5194E+00 2.3626E+00 -3.5960E+00 3.9957E+00 -2.7632E+00 8.8592E-01 0 0
S3 2.4032E-01 -9.9176E-01 2.8803E+00 -8.6319E+00 1.5669E+01 -1.4012E+01 5.0792E+00 0 0
S4 2.1587E-01 -5.2152E-01 3.2606E+00 -2.4924E+01 1.1209E+02 -2.3642E+02 2.0538E+02 0 0
S5 1.4415E-01 -1.8166E+00 2.3354E+01 -2.2250E+02 1.3329E+03 -5.0166E+03 1.1437E+04 -1.4393E+04 7.6911E+03
S6 -5.3454E-01 -3.2002E-01 5.5726E+00 -3.9891E+01 1.6071E+02 -4.0520E+02 6.3369E+02 -5.6771E+02 2.2420E+02
S7 -6.7701E-01 1.6556E+00 -1.3999E+01 7.2848E+01 -2.2761E+02 4.4672E+02 -5.3851E+02 3.6615E+02 -1.0828E+02
S8 -2.7382E-01 3.6958E-01 -1.0115E+00 4.4101E+00 -1.2404E+01 2.0006E+01 -1.7888E+01 8.2660E+00 -1.5493E+00
S9 1.5632E-01 -4.5216E-01 3.0244E+00 -9.3515E+00 1.5132E+01 -1.3972E+01 7.4505E+00 -2.1468E+00 2.6187E-01
S10 -7.8445E-01 3.5894E+00 -8.7897E+00 1.4540E+01 -1.5802E+01 1.1011E+01 -4.6843E+00 1.0922E+00 -1.0437E-01
Table 6
AAS AR AP BR BP CR CP DR DP ER
S11 -3.7571E-01 8.6863E-03 8.3675E-01 4.2528E-03 -1.2788E+00 1.2756E-03 1.2783E+00 -8.4634E-05 -8.7167E-01
S12 -1.9604E-01 2.3319E-02 2.3409E-01 1.6014E-02 -1.9669E-01 8.8118E-03 1.0887E-01 4.0787E-03 -4.0094E-02
AAS EP FR FP GR GP HR HP JR JP
S11 -1.9256E-04 4.0671E-01 6.4195E-04 -1.2565E-01 1.6441E-03 2.3435E-02 1.6661E-03 -2.0092E-03 0.0000E+00
S12 1.0510E-03 9.7189E-03 -5.6484E-04 -1.4905E-03 -9.6241E-04 1.3132E-04 -6.0535E-04 -5.0771E-06 0.0000E+00
Table 7
Table 8 gives the X-axis side of the effective focal length fy1 to fy6 of the Y direction of each lens in embodiment 2, the 5th lens E5 To effective focal length fx5, the effective focal length fx6 of X-direction of the 6th lens E6, pick-up lens X-direction effective focal length The X-direction and Y of the effective focal length fy of the Y direction of fx, pick-up lens, the optics total length TTL of pick-up lens, pick-up lens The full filed angle FOVx and FOVy of the image height IHx and IHy of axis direction and the X-direction of pick-up lens and Y direction.
fy1(mm) -4.18 fx(mm) 2.18
fy2(mm) 9.54 fy(mm) 2.19
fy3(mm) 2.32 TTL(mm) 4.91
fy4(mm) -5.87 IHx(mm) 1.73
fy5(mm) 3.10 IHy(mm) 2.48
fy6(mm) -8.78 FOVx(°) 76.5
fx5(mm) 3.10 FOVy(°) 97.0
fx6(mm) -8.92
Table 8
Fig. 5 shows size of the RMS spot diameter of the pick-up lens of embodiment 2 in first quartile at different field angles Situation.Fig. 6 shows the TV distortion figure of the pick-up lens of embodiment 2, indicates practical light and paraxial rays in vertical region With the distortion difference on horizontal zone.According to Fig. 5 to Fig. 6 it is found that pick-up lens given by embodiment 2 can be realized it is good Image quality.
Embodiment 3
The pick-up lens according to the embodiment of the present application 3 is described referring to Fig. 7 to Fig. 9.Fig. 7 is shown according to the application The structural schematic diagram of the pick-up lens of embodiment 3.
As shown in fig. 7, sequentially being wrapped along optical axis by object side to image side according to the pick-up lens of the application illustrative embodiments Include: the first lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, Optical filter E7 and imaging surface S15.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is concave surface.Second lens E2 has Positive light coke, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is Convex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is concave surface.The Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power, Its object side S11 is convex surface, and image side surface S12 is concave surface.Optical filter E7 has object side S13 and image side surface S14.From object Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 9 shows the surface type, radius of curvature X, radius of curvature Y, thickness of each lens of the pick-up lens of embodiment 3 Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter (mm)。
Table 9
As shown in Table 9, in embodiment 3, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4 and The object side of any one lens and image side surface are aspherical in five lens E5；The object side S11 of 6th lens E6 and image side Face S12 is non-rotationally-symmetric aspherical.
Table 10 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 3, wherein each aspherical face type can It is limited by the formula (1) provided in above-described embodiment 1.Table 11 show can be used for it is non-rotationally-symmetric aspherical in embodiment 3 The rotational symmetry component of S11 and S12 and the higher order coefficient of non-rotational symmetry component, wherein non-rotationally-symmetric aspherical face Type can be limited by the formula (2) provided in above-described embodiment 1.
Table 10
AAS AR AP BR BP CR CP DR DP ER
S11 -3.8752E-01 1.0224E-02 8.4023E-01 5.2062E-03 -1.2772E+00 1.6588E-03 1.2785E+00 -6.7452E-06 -8.7171E-01
S12 -1.9949E-01 2.1607E-02 2.3536E-01 1.5271E-02 -1.9665E-01 8.9244E-03 1.0886E-01 4.1601E-03 -4.0098E-02
AAS EP FR FP GR GP HR HP JR JP
S11 -2.0844E-04 4.0659E-01 6.0493E-04 -1.2569E-01 1.5956E-03 2.3434E-02 1.6554E-03 -1.9997E-03 0.0000E+00
S12 1.0472E-03 9.7179E-03 -5.7725E-04 -1.4906E-03 -9.5681E-04 1.3132E-04 -5.6960E-04 -5.0668E-06 0.0000E+00
Table 11
Table 12 gives the X-axis of the effective focal length fy1 to fy6 of the Y direction of each lens in embodiment 3, the 5th lens E5 Effective coke of the X-direction of the effective focal length fx5 in direction, the effective focal length fx6 of the X-direction of the 6th lens E6, pick-up lens The X-direction of the effective focal length fy of Y direction away from fx, pick-up lens, the optics total length TTL of pick-up lens, pick-up lens With the full filed angle FOVx and FOVy of the image height IHx and IHy of Y direction and the X-direction of pick-up lens and Y direction.
fy1(mm) -4.29 fx(mm) 2.19
fy2(mm) 10.56 fy(mm) 2.20
fy3(mm) 2.29 TTL(mm) 4.91
fy4(mm) -5.63 IHx(mm) 1.81
fy5(mm) 3.12 IHy(mm) 2.42
fy6(mm) -8.70 FOVx(°) 78.8
fx5(mm) 3.12 FOVy(°) 95.6
fx6(mm) -8.84
Table 12
Fig. 8 shows size of the RMS spot diameter of the pick-up lens of embodiment 3 in first quartile at different field angles Situation.Fig. 9 shows the TV distortion figure of the pick-up lens of embodiment 3, indicates practical light and paraxial rays in vertical region With the distortion difference on horizontal zone.According to Fig. 8 to Fig. 9 it is found that pick-up lens given by embodiment 3 can be realized it is good Image quality.
Embodiment 4
The pick-up lens according to the embodiment of the present application 4 is described referring to Figure 10 to Figure 12.Figure 10 is shown according to this Apply for the structural schematic diagram of the pick-up lens of embodiment 4.
As shown in Figure 10, it is sequentially wrapped along optical axis by object side to image side according to the pick-up lens of the application illustrative embodiments Include: the first lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, Optical filter E7 and imaging surface S15.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is concave surface.Second lens E2 has Positive light coke, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is Convex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is concave surface.The Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power, Its object side S11 is convex surface, and image side surface S12 is concave surface.Optical filter E7 has object side S13 and image side surface S14.From object Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 13 shows the surface type, radius of curvature X, radius of curvature Y, thickness of each lens of the pick-up lens of embodiment 4 Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter (mm)。
Table 13
As shown in Table 13, in example 4, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4 and The object side of any one lens and image side surface are aspherical in 5th lens E5；The object side S11 and S12 of 6th lens E6 It is non-rotationally-symmetric aspherical.
Table 14 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 4, wherein each aspherical face type can It is limited by the formula (1) provided in above-described embodiment 1.Table 15 show can be used for it is non-rotationally-symmetric aspherical in embodiment 4 The rotational symmetry component of S11 and S12 and the higher order coefficient of non-rotational symmetry component, wherein non-rotationally-symmetric aspherical face Type can be limited by the formula (2) provided in above-described embodiment 1.
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 3.9630E-01 -4.5717E-01 4.3939E-01 -3.0876E-01 1.4944E-01 -4.3467E-02 5.8275E-03 0 0
S2 9.4685E-01 -1.5154E+00 2.3615E+00 -3.5972E+00 4.0016E+00 -2.7496E+00 8.9034E-01 0 0
S3 2.3534E-01 -9.9961E-01 2.8745E+00 -8.6251E+00 1.5701E+01 -1.3973E+01 4.9228E+00 0 0
S4 2.1676E-01 -5.3631E-01 3.2335E+00 -2.4860E+01 1.1214E+02 -2.3762E+02 2.0032E+02 0 0
S5 1.4768E-01 -1.8135E+00 2.3342E+01 -2.2252E+02 1.3329E+03 -5.0171E+03 1.1435E+04 -1.4396E+04 7.7041E+03
S6 -5.2971E-01 -3.1378E-01 5.5590E+00 -3.9935E+01 1.6068E+02 -4.0515E+02 6.3396E+02 -5.6764E+02 2.2226E+02
S7 -6.8244E-01 1.6652E+00 -1.4007E+01 7.2812E+01 -2.2768E+02 4.4664E+02 -5.3857E+02 3.6619E+02 -1.0791E+02
S8 -2.7476E-01 3.7025E-01 -1.0140E+00 4.4058E+00 -1.2407E+01 2.0003E+01 -1.7889E+01 8.2679E+00 -1.5439E+00
S9 1.5579E-01 -4.5523E-01 3.0246E+00 -9.3504E+00 1.5133E+01 -1.3971E+01 7.4505E+00 -2.1467E+00 2.6169E-01
S10 -7.9338E-01 3.5858E+00 -8.7887E+00 1.4540E+01 -1.5802E+01 1.1011E+01 -4.6840E+00 1.0923E+00 -1.0439E-01
Table 14
AAS AR AP BR BP CR CP DR DP ER
S11 -3.8716E-01 9.2575E-03 8.4117E-01 5.4370E-03 -1.2780E+00 1.8465E-03 1.2782E+00 3.9427E-05 -8.7169E-01
S12 -2.0078E-01 1.8918E-02 2.3575E-01 1.4585E-02 -1.9680E-01 8.8292E-03 1.0886E-01 4.1797E-03 -4.0100E-02
AAS EP FR FP GR GP HR HP JR JP
S11 -2.1865E-04 4.0662E-01 5.8891E-04 -1.2573E-01 1.5593E-03 2.3427E-02 1.6204E-03 -1.9958E-03 0.0000E+00
S12 1.0343E-03 9.7182E-03 -5.9066E-04 -1.4905E-03 -9.5644E-04 1.3132E-04 -5.5408E-04 -5.0693E-06 0.0000E+00
Table 15
Table 16 gives the X-axis of the effective focal length fy1 to fy6 of the Y direction of each lens in embodiment 4, the 5th lens E5 Effective coke of the X-direction of the effective focal length fx5 in direction, the effective focal length fx6 of the X-direction of the 6th lens E6, pick-up lens The X-direction of the effective focal length fy of Y direction away from fx, pick-up lens, the optics total length TTL of pick-up lens, pick-up lens With the full filed angle FOVx and FOVy of the image height IHx and IHy of Y direction and the X-direction of pick-up lens and Y direction.
fy1(mm) -4.35 fx(mm) 2.19
fy2(mm) 10.64 fy(mm) 2.19
fy3(mm) 2.33 TTL(mm) 4.95
fy4(mm) -5.64 IHx(mm) 1.81
fy5(mm) 3.12 IHy(mm) 2.41
fy6(mm) -9.09 FOVx(°) 78.8
fx5(mm) 3.12 FOVy(°) 95.6
fx6(mm) -9.06
Table 16
The RMS spot diameter that Figure 11 shows the pick-up lens of embodiment 4 is big at different field angles in first quartile Small situation.Figure 12 shows the TV distortion figure of the pick-up lens of embodiment 4, indicates practical light and paraxial rays in vertical area Distortion difference on domain and horizontal zone.According to Figure 11 to Figure 12 it is found that pick-up lens given by embodiment 4 can be realized it is good Good image quality.
Embodiment 5
The pick-up lens according to the embodiment of the present application 5 is described referring to Figure 13 to Figure 15.
Figure 13 shows the structural schematic diagram of the pick-up lens according to the embodiment of the present application 5.
As shown in figure 13, it is sequentially wrapped along optical axis by object side to image side according to the pick-up lens of the application illustrative embodiments Include: the first lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, Optical filter E7 and imaging surface S15.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is concave surface.Second lens E2 has Positive light coke, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is Convex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is concave surface.The Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power, Its object side S11 is convex surface, and image side surface S12 is concave surface.Optical filter E7 has object side S13 and image side surface S14.From object Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 17 shows the surface type, radius of curvature X, radius of curvature Y, thickness of each lens of the pick-up lens of embodiment 5 Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter (mm)。
Table 17
As shown in Table 17, in embodiment 5, in the first lens E1, the second lens E2, the third lens E3 and the 4th lens E4 The object side of any one lens and image side surface are aspherical；Any one lens in 5th lens E5 and the 6th lens E6 Object side and image side surface are non-rotationally-symmetric aspherical.
Table 18 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 5, wherein each aspherical face type can It is limited by the formula (1) provided in above-described embodiment 1.Table 19 show can be used for it is non-rotationally-symmetric aspherical in embodiment 5 The rotational symmetry component of S9 to S12 and the higher order coefficient of non-rotational symmetry component, wherein non-rotationally-symmetric aspherical face type It can be limited by the formula (2) provided in above-described embodiment 1.
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 3.8493E-01 -4.5837E-01 4.3922E-01 -3.0865E-01 1.4944E-01 -4.3732E-02 5.5327E-03 0 0
S2 9.6073E-01 -1.5298E+00 2.3494E+00 -3.6079E+00 3.9892E+00 -2.7608E+00 9.0076E-01 0 0
S3 2.5079E-01 -9.8086E-01 2.8828E+00 -8.6540E+00 1.5603E+01 -1.4073E+01 5.2402E+00 0 0
S4 2.1164E-01 -5.1115E-01 3.2822E+00 -2.4996E+01 1.1170E+02 -2.3674E+02 2.0801E+02 0 0
S5 1.3701E-01 -1.8349E+00 2.3312E+01 -2.2258E+02 1.3329E+03 -5.0167E+03 1.1437E+04 -1.4391E+04 7.6858E+03
S6 -5.3065E-01 -3.2324E-01 5.5509E+00 -3.9903E+01 1.6068E+02 -4.0526E+02 6.3351E+02 -5.6778E+02 2.2546E+02
S7 -6.6931E-01 1.6563E+00 -1.3999E+01 7.2866E+01 -2.2756E+02 4.4680E+02 -5.3843E+02 3.6616E+02 -1.0850E+02
S8 -2.7552E-01 3.6856E-01 -1.0079E+00 4.4172E+00 -1.2400E+01 2.0007E+01 -1.7888E+01 8.2644E+00 -1.5516E+00
Table 18
AAS AR AP BR BP CR CP DR DP ER
S9 1.6420E-01 -7.3230E-03 -4.4615E-01 -6.3023E-03 3.0252E+00 2.9757E-04 -9.3510E+00 3.5932E-04 1.5134E+01
S10 -7.7466E-01 7.7569E-03 3.5942E+00 1.8165E-03 -8.7907E+00 2.0892E-05 1.4540E+01 -7.6584E-05 -1.5802E+01
S11 -3.5690E-01 9.8727E-03 8.3797E-01 5.3988E-03 -1.2809E+00 1.0870E-03 1.2775E+00 -2.5604E-04 -8.7173E-01
S12 -1.9261E-01 2.3464E-02 2.3322E-01 1.6215E-02 -1.9668E-01 8.7079E-03 1.0887E-01 3.9832E-03 -4.0093E-02
AAS EP FR FP GR GP HR HP JR JP
S9 8.1605E-05 -1.3969E+01 1.4863E-06 7.4520E+00 4.8787E-05 -2.1470E+00 1.2053E-04 2.5976E-01 0.0000E+00
S10 1.9588E-05 1.1011E+01 8.0636E-06 -4.6840E+00 -4.1506E-05 1.0923E+00 -7.1926E-05 -1.0421E-01 0.0000E+00
S11 -1.4929E-04 4.0681E-01 6.9613E-04 -1.2561E-01 1.6075E-03 2.3443E-02 1.5549E-03 -2.0167E-03 0.0000E+00
S12 1.0570E-03 9.7195E-03 -5.5747E-04 -1.4903E-03 -9.9413E-04 1.3132E-04 -6.5273E-04 -5.0905E-06 0.0000E+00
Table 19
Table 20 gives the X-axis of the effective focal length fy1 to fy6 of the Y direction of each lens in embodiment 5, the 5th lens E5 Effective coke of the X-direction of the effective focal length fx5 in direction, the effective focal length fx6 of the X-direction of the 6th lens E6, pick-up lens The X-direction of the effective focal length fy of Y direction away from fx, pick-up lens, the optics total length TTL of pick-up lens, pick-up lens With the full filed angle FOVx and FOVy of the image height IHx and IHy of Y direction and the X-direction of pick-up lens and Y direction.
Table 20
The RMS spot diameter that Figure 14 shows the pick-up lens of embodiment 5 is big at different field angles in first quartile Small situation.Figure 15 shows the TV distortion figure of the pick-up lens of embodiment 5, indicates practical light and paraxial rays in vertical area Distortion difference on domain and horizontal zone.According to Figure 14 to Figure 15 it is found that pick-up lens given by embodiment 5 can be realized it is good Good image quality.
Embodiment 6
The pick-up lens according to the embodiment of the present application 6 is described referring to Figure 16 and Figure 18.
Figure 16 shows the structural schematic diagram of the pick-up lens according to the embodiment of the present application 6.
As shown in figure 16, it is sequentially wrapped along optical axis by object side to image side according to the pick-up lens of the application illustrative embodiments Include: the first lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, Optical filter E7 and imaging surface S15.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is concave surface.Second lens E2 has Positive light coke, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is Convex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is concave surface.The Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power, Its object side S11 is convex surface, and image side surface S12 is concave surface.Optical filter E7 has object side S13 and image side surface S14.From object Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 21 shows the surface type, radius of curvature X, radius of curvature Y, thickness of each lens of the pick-up lens of embodiment 6 Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter (mm)。
Table 21
As shown in Table 21, in embodiment 6, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4 and The object side of any one lens and image side surface are aspherical in the object side S11 of 5th lens E5 and the 6th lens E6； The image side surface S12 of 6th lens E6 is non-rotationally-symmetric aspherical.
Table 22 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 6, wherein each aspherical face type can It is limited by the formula (1) provided in above-described embodiment 1.Table 23 show can be used for it is non-rotationally-symmetric aspherical in embodiment 6 The rotational symmetry component of S12 and the higher order coefficient of non-rotational symmetry component, wherein non-rotationally-symmetric aspherical face type can be by The formula (2) provided in above-described embodiment 1 limits.
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 8.3566E-01 -1.3548E-01 3.1780E-02 -1.0435E-02 2.2621E-03 -8.6481E-04 1.4597E-04 0 0
S2 5.7062E-01 -1.0042E-01 4.1546E-03 -1.9245E-03 1.0616E-03 -3.4157E-05 -5.1508E-06 0 0
S3 -8.8987E-03 -2.8649E-02 2.1634E-03 6.1224E-04 3.4539E-04 -6.3430E-05 -2.2599E-05 0 0
S4 3.3821E-02 3.3303E-03 1.8001E-03 5.6898E-04 1.8015E-04 3.4437E-05 1.2439E-05 0 0
S5 2.3581E-03 -1.4452E-03 -1.2423E-05 -1.2546E-05 1.6067E-05 -6.0333E-06 2.6589E-06 -4.4048E-06 1.9527E-06
S6 -1.2040E-01 4.4852E-04 -2.3354E-04 1.4241E-04 -3.5107E-06 9.3998E-06 4.6970E-06 -9.6097E-06 4.9987E-06
S7 -3.2344E-01 4.2018E-02 -1.8017E-03 1.6433E-03 -2.5583E-04 1.9726E-04 -4.1376E-05 1.7598E-05 -1.8987E-05
S8 -2.1767E-01 5.9241E-02 -2.7553E-03 -1.0596E-03 6.1395E-04 -1.4120E-04 -1.1448E-05 -4.6140E-06 -2.3666E-05
S9 6.9480E-02 -1.7877E-03 8.8279E-03 -7.4453E-03 3.7928E-03 -1.5296E-03 3.6087E-04 -1.4680E-04 -3.7284E-06
S10 1.3246E+00 1.9865E-01 2.7868E-02 1.7331E-03 6.3908E-04 3.6729E-03 -5.2424E-04 2.9703E-04 -2.2269E-04
S11 -2.5409E+00 5.7712E-01 -4.2233E-02 8.2299E-03 -4.9451E-03 -3.7764E-03 2.1706E-03 9.0064E-04 -5.3571E-04
Table 22
AAS AR AP BR BP CR CP DR DP ER
S12 -3.7988E-02 7.8449E-04 8.0764E-03 2.3564E-04 -1.5124E-03 4.7099E-05 2.0779E-04 5.7960E-06 -1.9513E-05
AAS EP FR FP GR GP HR HP JR JP
S12 0.0000E+00 1.1999E-06 0.0000E+00 -4.5667E-08 0.0000E+00 9.6399E-10 0.0000E+00 -8.4915E-12 0.0000E+00
Table 23
Table 24 gives the X-axis of the effective focal length fy1 to fy6 of the Y direction of each lens in embodiment 6, the 5th lens E5 Effective coke of the X-direction of the effective focal length fx5 in direction, the effective focal length fx6 of the X-direction of the 6th lens E6, pick-up lens The X-direction of the effective focal length fy of Y direction away from fx, pick-up lens, the optics total length TTL of pick-up lens, pick-up lens With the full filed angle FOVx and FOVy of the image height IHx and IHy of Y direction and the X-direction of pick-up lens and Y direction.
fy1(mm) -5.28 fx(mm) 3.74
fy2(mm) 11.42 fy(mm) 3.73
fy3(mm) 4.12 TTL(mm) 10.22
fy4(mm) -5.35 IHx(mm) 3.50
fy5(mm) 3.65 IHy(mm) 4.89
fy6(mm) -14.98 FOVx(°) 87.5
fx5(mm) 3.65 FOVy(°) 106.4
fx6(mm) -14.88
Table 24
At Figure 17 shows the RMS spot diameters of the pick-up lens of embodiment 6 in first quartile different image heights position Size cases.Figure 18 shows the TV distortion figure of the pick-up lens of embodiment 6, indicates practical light and paraxial rays vertical Distortion difference on region and horizontal zone.According to Figure 17 to Figure 18 it is found that pick-up lens given by embodiment 6 can be realized Good image quality.
Embodiment 7
The pick-up lens according to the embodiment of the present application 7 is described referring to Figure 19 to Figure 21.Figure 19 is shown according to this Apply for the structural schematic diagram of the pick-up lens of embodiment 7.
As shown in figure 19, it is sequentially wrapped along optical axis by object side to image side according to the pick-up lens of the application illustrative embodiments Include: the first lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, Optical filter E7 and imaging surface S15.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is concave surface.Second lens E2 has Positive light coke, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is Convex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is concave surface.The Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power, Its object side S11 is convex surface, and image side surface S12 is concave surface.Optical filter E7 has object side S13 and image side surface S14.From object Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 25 shows the surface type, radius of curvature X, radius of curvature Y, thickness of each lens of the pick-up lens of embodiment 7 Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter (mm)。
Table 25
As shown in Table 25, in embodiment 7, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4 and The object side S11 of the object side of any one lens and image side surface and the 6th lens E6 is aspherical in 5th lens E5； The image side surface S12 of 6th lens E6 is non-rotationally-symmetric aspherical.
Table 26 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 7, wherein each aspherical face type can It is limited by the formula (1) provided in above-described embodiment 1.Table 27 show can be used for it is non-rotationally-symmetric aspherical in embodiment 7 The rotational symmetry component of S12 and the higher order coefficient of non-rotational symmetry component, wherein non-rotationally-symmetric aspherical face type can be by The formula (2) provided in above-described embodiment 1 limits.
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 1.2535E+00 -2.0322E-01 4.7670E-02 -1.5653E-02 3.3932E-03 -1.2972E-03 2.1895E-04 0 0
S2 8.5593E-01 -1.5063E-01 6.2319E-03 -2.8867E-03 1.5924E-03 -5.1236E-05 -7.7262E-06 0 0
S3 -1.3348E-02 -4.2973E-02 3.2451E-03 9.1835E-04 5.1808E-04 -9.5144E-05 -3.3898E-05 0 0
S4 5.0732E-02 4.9954E-03 2.7002E-03 8.5347E-04 2.7022E-04 5.1656E-05 1.8658E-05 0 0
S5 3.5371E-03 -2.1679E-03 -1.8635E-05 -1.8818E-05 2.4101E-05 -9.0500E-06 3.9883E-06 -6.6072E-06 2.9291E-06
S6 -1.8060E-01 6.7278E-04 -3.5031E-04 2.1362E-04 -5.2660E-06 1.4100E-05 7.0455E-06 -1.4415E-05 7.4981E-06
S7 -4.8516E-01 6.3026E-02 -2.7025E-03 2.4649E-03 -3.8375E-04 2.9589E-04 -6.2064E-05 2.6398E-05 -2.8480E-05
S8 -3.2651E-01 8.8861E-02 -4.1330E-03 -1.5894E-03 9.2093E-04 -2.1180E-04 -1.7172E-05 -6.9210E-06 -3.5499E-05
S9 1.0422E-01 -2.6816E-03 1.3242E-02 -1.1168E-02 5.6893E-03 -2.2945E-03 5.4130E-04 -2.2020E-04 -5.5926E-06
S10 1.9869E+00 2.9798E-01 4.1802E-02 2.5996E-03 9.5863E-04 5.5093E-03 -7.8636E-04 4.4555E-04 -3.3404E-04
S11 -3.8114E+00 8.6569E-01 -6.3349E-02 1.2345E-02 -7.4176E-03 -5.6646E-03 3.2559E-03 1.3510E-03 -8.0356E-04
Table 26
AAS AR AP BR BP CR CP DR DP ER
S12 -1.1256E-02 7.8449E-04 1.0636E-03 2.3564E-04 -8.8517E-05 4.7099E-05 5.4050E-06 5.7960E-06 -2.2559E-07
AAS EP FR FP GR GP HR HP JR JP
S12 0.0000E+00 6.1653E-09 0.0000E+00 -1.0429E-10 0.0000E+00 9.7841E-13 0.0000E+00 -3.8305E-15 0.0000E+00
Table 27
Table 28 gives the X-axis of the effective focal length fy1 to fy6 of the Y direction of each lens in embodiment 7, the 5th lens E5 Effective coke of the X-direction of the effective focal length fx5 in direction, the effective focal length fx6 of the X-direction of the 6th lens E6, pick-up lens The X-direction of the effective focal length fy of Y direction away from fx, pick-up lens, the optics total length TTL of pick-up lens, pick-up lens With the full filed angle FOVx and FOVy of the image height IHx and IHy of Y direction and the X-direction of pick-up lens and Y direction.
Table 28
Figure 20 shows the RMS spot diameter of the pick-up lens of embodiment 7 in first quartile at different image heights position Size cases.Figure 21 shows the TV distortion figure of the pick-up lens of embodiment 7, indicates practical light and paraxial rays vertical Distortion difference on region and horizontal zone.0 to Figure 21 it is found that pick-up lens given by embodiment 7 can be realized according to fig. 2 Good image quality.
To sum up, embodiment 1 to embodiment 7 meets relationship shown in table 29 respectively.
Table 29
The application also provides a kind of photographic device, and electronics photosensitive element can be photosensitive coupling element (CCD) or complementation Property matal-oxide semiconductor element (CMOS).Photographic device can be the independent picture pick-up device of such as digital camera, be also possible to The photographing module being integrated on the mobile electronic devices such as mobile phone.The photographic device is equipped with pick-up lens described above.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein Can technical characteristic replaced mutually and the technical solution that is formed.

Claims (18)

  1. It by object side to image side sequentially include: the first lens, the second lens, with focal power along optical axis 1. pick-up lens Three lens, the 4th lens, the 5th lens and the 6th lens, which is characterized in that
    First lens and the 6th lens have negative power；
    The third lens and the 5th lens have positive light coke；
    At least one lens of first lens into the 6th lens have non-rotationally-symmetric aspherical；And
    The maximum of T DT of TV distortion in the areas imaging of the pick-up lens meets | TDT |≤2.5%.
  2. 2. pick-up lens according to claim 1, which is characterized in that the object side of second lens is convex surface, image side Face is concave surface；And
    The object side of 4th lens is concave surface.
  3. 3. pick-up lens according to claim 1, which is characterized in that the image height IHx of the X-direction of the pick-up lens with The image height IHy of the Y direction of the pick-up lens meets
  4. 4. pick-up lens according to claim 3, which is characterized in that the image side surface of the 6th lens is non-rotational symmetry It is aspherical；And
    The processing subtended angle θ of the image side surface of 6th lens meets 72 ° of θ <.
  5. 5. pick-up lens according to claim 1, which is characterized in that the effective focal length of the Y direction of second lens The effective focal length fy3 of the Y direction of fy2 and the third lens meets 3.0 < fy2/fy3 < 5.0.
  6. 6. pick-up lens according to claim 1, which is characterized in that the effective focal length of the X-direction of the 5th lens The effective focal length fx6 of the X-direction of fx5 and the 6th lens meets -0.5 < fx5/fx6 < 0.
  7. 7. pick-up lens according to claim 1, which is characterized in that the effective focal length of the Y direction of first lens The effective focal length fy2 of the Y direction of fy1 and second lens meets -0.5 < fy1/fy2 < 0.
  8. 8. pick-up lens according to claim 1, which is characterized in that the object side of first lens is concave surface；And
    The satisfaction of radius of curvature R 1-of the object side of the effective focal length fy of the Y direction of the pick-up lens and first lens 1.0 < fy/R1 < 0.
  9. 9. pick-up lens according to claim 1, which is characterized in that the full filed angle of the X-direction of the pick-up lens The full filed angle FOVy of the Y direction of FOVx and the pick-up lens meets tan (FOVx/2) × tan (FOVy/2) < 2.0.
  10. It by object side to image side sequentially include: the first lens, the second lens, with focal power along optical axis 10. pick-up lens Three lens, the 4th lens, the 5th lens and the 6th lens, which is characterized in that
    First lens and the 6th lens have negative power；
    The third lens and the 5th lens have positive light coke；
    At least one lens of first lens into the 6th lens have non-rotationally-symmetric aspherical；And
    The effective focal length fx6 of the X-direction of the effective focal length fx5 and the 6th lens of the X-direction of 5th lens is full - 0.5 < fx5/fx6 < 0 of foot.
  11. 11. pick-up lens according to claim 10, which is characterized in that the object side of second lens is convex surface, as Side is concave surface；And
    The object side of 4th lens is concave surface.
  12. 12. pick-up lens according to claim 11, which is characterized in that the TV in the areas imaging of the pick-up lens is abnormal The maximum of T DT of change meets | TDT |≤2.5%.
  13. 13. pick-up lens according to claim 10, which is characterized in that the image side surface of the 6th lens is non-rotating right What is claimed is aspherical；And
    The processing subtended angle θ of the image side surface of 6th lens meets 72 ° of θ <.
  14. 14. pick-up lens according to claim 10, which is characterized in that effective coke of the Y direction of second lens Effective focal length fy3 away from fy2 and the Y direction of the third lens meets 3.0 < fy2/fy3 < 5.0.
  15. 15. pick-up lens according to claim 10, which is characterized in that the image height IHx of the X-direction of the pick-up lens Meet with the image height IHy of the Y direction of the pick-up lens
  16. 16. pick-up lens according to claim 10, which is characterized in that effective coke of the Y direction of first lens Effective focal length fy2 away from fy1 and the Y direction of second lens meets -0.5 < fy1/fy2 < 0.
  17. 17. pick-up lens according to claim 10, which is characterized in that the object side of first lens is concave surface；With And
    The satisfaction of radius of curvature R 1-of the object side of the effective focal length fy of the Y direction of the pick-up lens and first lens 1.0 < fy/R1 < 0.
  18. 18. pick-up lens according to claim 10, which is characterized in that the full filed of the X-direction of the pick-up lens The full filed angle FOVy of the Y direction of angle FOVx and the pick-up lens meets tan (FOVx/2) × tan (FOVy/2) < 2.0.
CN201920019076.7U 2019-01-07 2019-01-07 Pick-up lens Active CN209343028U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109541783A (en) * 2019-01-07 2019-03-29 浙江舜宇光学有限公司 Pick-up lens
CN111025605A (en) * 2019-12-25 2020-04-17 辽宁中蓝光电科技有限公司 Free-form surface wide-angle camera lens
WO2021134331A1 (en) * 2019-12-30 2021-07-08 诚瑞光学(常州)股份有限公司 Camera optical lens

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109541783A (en) * 2019-01-07 2019-03-29 浙江舜宇光学有限公司 Pick-up lens
CN109541783B (en) * 2019-01-07 2024-04-19 浙江舜宇光学有限公司 Image pickup lens
CN111025605A (en) * 2019-12-25 2020-04-17 辽宁中蓝光电科技有限公司 Free-form surface wide-angle camera lens
CN111025605B (en) * 2019-12-25 2021-09-28 辽宁中蓝光电科技有限公司 Free-form surface wide-angle camera lens
WO2021134331A1 (en) * 2019-12-30 2021-07-08 诚瑞光学(常州)股份有限公司 Camera optical lens

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