CN209327661U - Imaging lens - Google Patents

Imaging lens Download PDF

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Publication number
CN209327661U
CN209327661U CN201822184603.8U CN201822184603U CN209327661U CN 209327661 U CN209327661 U CN 209327661U CN 201822184603 U CN201822184603 U CN 201822184603U CN 209327661 U CN209327661 U CN 209327661U
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lens
object side
imaging lens
imaging
radius
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张伊
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Zhejiang Sunny Optics Co Ltd
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Zhejiang Sunny Optics Co Ltd
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Abstract

It by object side to image side sequentially include the first lens, the second lens, the third lens and the 4th lens along optical axis, wherein the first lens have negative power, object side is concave surface this application discloses a kind of imaging lens；Second lens have positive or negative focal power；The third lens have positive or negative focal power, and object side is convex surface, and image side is concave surface；4th lens have positive light coke, wherein satisfaction -1.3 < f4/f1 < 0 between the effective focal length f1 of airspace and the first lens and the effective focal length f4 of the 4th lens is all had between each adjacent lens.

Description

Imaging lens
Technical field
This application involves a kind of imaging lens, more specifically, this application involves a kind of imaging lens including four lens.
Background technique
As pursuit of the people to quality of life is higher and higher, portable electronic product is also increasingly entering people Life in.This so require relevant to imaging such as mobile phone, tablet computer electronic product imaging lens size as far as possible Ground miniaturization.At the same time, in order to reach the openr visual field, it is expected that the field angle of imaging lens is increasing.In order to full The demand minimized enough, needs to be reduced as far as the number of lenses of imaging lens, but design freedom resulting from Lack, can be difficult to meet the needs of market is to high imaging performance.
Utility model content
According to the one aspect of the application, such a imaging lens are provided, the imaging lens are along optical axis by object side It sequentially include: the first lens, the second lens, the third lens and the 4th lens to image side.First lens can have negative power, Object side is concave surface；Second lens can have positive light coke or negative power；The third lens can have positive light coke or negative Focal power, object side are convex surface, and image side is concave surface；And the 4th lens can have positive light coke.Have between each adjacent lens There is airspace.- 1.3 < f4/f1 < 0 can be met between the effective focal length f1 of first lens and the effective focal length f4 of the 4th lens.
In an exemplary embodiment, between the effective focal length f of imaging lens and the effective focal length f1 of the first lens - 1 < f/f1 < 0 can be met.
In an exemplary embodiment, the effective focal length f of imaging lens, the object side of the 4th lens radius of curvature 0 < f/ can be met between the radius of curvature R 8 of the image side surface of R7 and the 4th lens | R7-R8 | < 0.5.
In an exemplary embodiment, the center thickness CT4 of the center thickness CT1 of the first lens and the 4th lens it Between can meet 0.5 < CT4/CT1 < 1.5.
In an exemplary embodiment, the image side surface of the radius of curvature R 5 Yu the third lens of the object side of the third lens Radius of curvature R 6 between can meet 0 < R6/R5 < 2.
In an exemplary embodiment, the curvature of the object side of the effective focal length f and the first lens of imaging lens half 0.5 < f/R1 < 1.5 can be met between diameter R1.
In an exemplary embodiment, the maximum effective radius DT31 and the second lens of the object side of the third lens 0 < DT31/DT21 < 0.8 can be met between the maximum effective radius DT21 of object side.
In an exemplary embodiment, the maximum effective radius DT31 and the 4th lens of the object side of the third lens 1 < DT41/DT31 < 2.5 can be met between the maximum effective radius DT41 of object side.
In an exemplary embodiment, the center thickness CT4 of the edge thickness ET4 of the 4th lens and the 4th lens it Between can meet 0 < ET4/CT4 < 1.
In an exemplary embodiment, the airspace T23 and third of the second lens and the third lens on optical axis Lens and the 4th lens can meet 0 < T34/T23 < 0.5 between the airspace T34 on optical axis.
In an exemplary embodiment, the combination of the effective focal length f of imaging lens and the third lens and the 4th lens 1 < f34/f < 2.5 can be met between focal length f34.
In an exemplary embodiment, the half HFOV at the maximum field of view angle of imaging lens may be designed as HFOV > 45°。
According to the another aspect of the application, it also offers such a imaging lens, and the imaging lens are along optical axis by object Side to image side sequentially includes: the first lens, the second lens, the third lens and the 4th lens.First lens can have negative power, Its object side is concave surface；Second lens can have positive light coke or negative power；The third lens can have positive light coke or Negative power, object side are convex surface, and image side is concave surface；And the 4th lens can have positive light coke.The object side of the third lens Maximum effective radius DT31 and the second lens object side maximum effective radius DT21 between can meet 0 < DT31/DT21 < 0.8。
According to the another aspect of the application, it also offers such a imaging lens, and the imaging lens are along optical axis by object Side to image side sequentially includes: the first lens, the second lens, the third lens and the 4th lens.First lens can have negative power, Its object side is concave surface；Second lens can have positive light coke or negative power；The third lens can have positive light coke or Negative power, object side are convex surface, and image side is concave surface；And the 4th lens can have positive light coke.Between each adjacent lens With airspace.The maximum of the object side of the maximum effective radius DT31 and the 4th lens of the object side of the third lens effectively half 1 < DT41/DT31 < 2.5 can be met between diameter DT41.
According to the application's in another aspect, it also offers such a imaging lens, the imaging lens are along optical axis by object Side to image side sequentially includes: the first lens, the second lens, the third lens and the 4th lens.First lens can have negative power, Its object side is concave surface；Second lens can have positive light coke or negative power；The third lens can have positive light coke or Negative power, object side are convex surface, and image side is concave surface；And the 4th lens can have positive light coke.Between each adjacent lens With airspace.Can meet between the edge thickness ET4 of 4th lens and the center thickness CT4 of the 4th lens 0 < ET4/CT4 < 1。
According to the another aspect of the application, it also offers such a imaging lens, and the imaging lens are along optical axis by object Side to image side sequentially includes: the first lens, the second lens, the third lens and the 4th lens.First lens can have negative power, Its object side is concave surface；Second lens can have positive light coke or negative power；The third lens can have positive light coke or Negative power, object side are convex surface, and image side is concave surface；And the 4th lens can have positive light coke.Between each adjacent lens With airspace.The airspace T23 of second lens and the third lens on optical axis and the third lens and the 4th lens are in light 0 < T34/T23 < 0.5 can be met between airspace T34 on axis.
According to the application's in another aspect, it also offers such a imaging lens, the imaging lens are along optical axis by object Side to image side sequentially includes: the first lens, the second lens, the third lens and the 4th lens.First lens can have negative power, Its object side is concave surface；Second lens can have positive light coke or negative power；The third lens can have positive light coke or Negative power, object side are convex surface, and image side is concave surface；And the 4th lens can have positive light coke.Between each adjacent lens With airspace.It can meet between the effective focal length f and the third lens of the imaging lens and the combined focal length f34 of the 4th lens 1<f34/f<2.5。
The application provides a kind of wide-angle lens of four-piece type using the structure of four lens, can combine big view The demand of field and high image quality, and be designed using less design freedom and can reduce production cost and assembling cost. There are the characteristics such as big field angle, high imaging quality and hyposensitivity according to the imaging lens of the application.
Detailed description of the invention
Below in conjunction with attached drawing, the original of the utility model design is explained by describing the non-limiting embodiment of the application Reason.It should be appreciated that attached drawing is intended to show that the illustrative embodiments of the application rather than is limited.Wherein, attached drawing is used for Offer further understands the application utility model design, and is incorporated in specification and forms part of this specification.It is attached Identical appended drawing reference indicates identical feature in figure.In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the imaging lens according to the embodiment of the present application 1；
Fig. 2A to Fig. 2 D respectively illustrates chromatic curve on the axis of the imaging lens of embodiment 1, astigmatism curve, distortion curve And ratio chromatism, curve；
Fig. 3 shows the structural schematic diagram of the imaging lens according to the embodiment of the present application 2；
Fig. 4 A to Fig. 4 D respectively illustrates chromatic curve on the axis of the imaging lens of embodiment 2, astigmatism curve, distortion curve And ratio chromatism, curve；
Fig. 5 shows the structural schematic diagram of the imaging lens according to the embodiment of the present application 3；
Fig. 6 A to Fig. 6 D respectively illustrates chromatic curve on the axis of the imaging lens of embodiment 3, astigmatism curve, distortion curve And ratio chromatism, curve；
Fig. 7 shows the structural schematic diagram of the imaging lens according to the embodiment of the present application 4；
Fig. 8 A to Fig. 8 D respectively illustrates chromatic curve on the axis of the imaging lens of embodiment 4, astigmatism curve, distortion curve And ratio chromatism, curve；
Fig. 9 shows the structural schematic diagram of the imaging lens according to the embodiment of the present application 5；
Figure 10 A to Figure 10 D respectively illustrates chromatic curve on the axis of the imaging lens of embodiment 5, astigmatism curve, distortion song Line and ratio chromatism, curve；
Figure 11 shows the structural schematic diagram of the imaging lens according to the embodiment of the present application 6；
Figure 12 A to Figure 12 D respectively illustrates chromatic curve on the axis of the imaging lens of embodiment 6, astigmatism curve, distortion song Line and ratio chromatism, curve；
Figure 13 shows the structural schematic diagram of the imaging lens according to the embodiment of the present application 7；
Figure 14 A to Figure 14 D respectively illustrates chromatic curve on the axis of the imaging lens of embodiment 7, astigmatism curve, distortion song Line and ratio chromatism, curve；
Figure 15 shows the structural schematic diagram of the imaging lens according to the embodiment of the present application 8；
Figure 16 A to Figure 16 D respectively illustrates chromatic curve on the axis of the imaging lens of embodiment 8, astigmatism curve, distortion song Line and ratio chromatism, curve.
Figure 17 shows the structural schematic diagrams according to the imaging lens of the embodiment of the present application 9；
Figure 18 A to Figure 18 D respectively illustrates chromatic curve on the axis of the imaging lens of embodiment 9, astigmatism curve, distortion song Line and ratio chromatism, curve
Figure 19 shows the structural schematic diagram of the imaging lens according to the embodiment of the present application 10；
Figure 20 A to Figure 20 D respectively illustrates chromatic curve on the axis of the imaging lens of embodiment 10, astigmatism curve, distortion Curve and ratio chromatism, curve.
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.Each lens are known as the lens near the surface of object Object side, each lens are known as the image side surface of the lens near the surface of imaging surface.
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 features, 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.
Imaging lens according to the application illustrative embodiments may include such as four lens with focal power, that is, First lens, the second lens, the third lens and the 4th lens.First lens to the 4th lens along optical axis by object side to image side according to Sequence arrangement, and can have airspace between each adjacent lens.
In the exemplary embodiment, the first lens can have negative power, and object side is concave surface；Second lens can have There are positive light coke or negative power；The third lens can have positive light coke or negative power, and object side is convex surface, and image side is recessed Face；And the 4th lens can have positive light coke.Can have airspace between each adjacent lens.There are the first lens negative Focal power is conducive to increase field angle, increasing light incidence angle, while being also beneficial to compression stop position, to reduce pupil Aberration.By properly selecting focal power optical system is preferably corrected just the second lens and the third lens Grade aberration, so that system has good image quality and lower sensibility.The system is easy through injection molding simultaneously It is come out so that higher yield group is vertical.
In the exemplary embodiment, the image side surface of the second lens can be concave surface.
In the exemplary embodiment, the object side of the 4th lens can be convex surface, and image side surface can be concave surface.
In the exemplary embodiment, the imaging lens of the application can meet conditional -1.3 < f4/f1 < 0, wherein f1 is The effective focal length of first lens, f4 are the effective focal length of the 4th lens.More specifically, can further meet between f1 and f4- 1.13≤f4/f1≤-0.19.Both by the proper restraint to the 4th lens and the effective focal length of the first lens, can balance Astigmatism, thus make system have good image quality.
In the exemplary embodiment, the imaging lens of the application can meet conditional -1 < f/f1 < 0, wherein f is imaging The effective focal length and f1 of camera lens are the effective focal length of the first lens.More specifically, can further meet -0.68 between f and f1 ≤f/f1≤-0.13.By controlling the negative power of the first lens in reasonable section, so that it is both assumed responsibility for needed for system The negative focal power wanted, but also the spherical aberration of its contribution guarantees that subsequent optical lens can be reasonably in rationally controllable range The positive spherical aberration for correcting its contribution, so that the image quality of visual field has preferable guarantee in system axle.
In the exemplary embodiment, the imaging lens of the application can meet 0 < f/ of conditional | R7-R8 | < 0.5, wherein f For the effective focal length of imaging lens, R7 be the object side of the 4th lens radius of curvature and R8 be the 4th lens image side surface Radius of curvature.More specifically, can further meet 0.09≤f/ between f, R7, R8 | R7-R8 |≤0.34.By saturating by the 4th The radius of curvature of mirror object side and image side surface is controlled in reasonable interval range, can control its astigmatism amount and amount of spherical aberration is in and closes In the range of reason, and then it is capable of the astigmatism amount and amount of spherical aberration of balancing front-ends and the generation of back-end optical lens, so that system is with good Good image quality.
In the exemplary embodiment, the imaging lens of the application can meet conditional 0.5 < CT4/CT1 < 1.5, wherein CT1 is the center thickness of the first lens, and CT4 is the center thickness of the 4th lens.More specifically, further may be used between CT1 and CT4 Meet 0.91≤CT4/CT1≤1.13.Proper restraint is carried out by the center thickness to the first lens and the 4th lens, can be adjusted The distortion contribution rate of the first lens and the 4th lens is saved, so that the last amount of distortion of system controls in reasonable section, Meet the requirement of imaging.
In the exemplary embodiment, the imaging lens of the application can meet conditional 0 < R6/R5 < 2, wherein R5 The radius of curvature of the object side of three lens, R6 are the radius of curvature of the image side surface of the third lens.More specifically, between R5 and R6 into One step can meet 0.56≤R6/R5≤1.36.By limiting the radius of curvature of the object side of the third lens and the curvature of image side surface The ratio range of radius can effectively constrain the shape of the third lens, so efficiently control the third lens object side and The aberration contribution rate of image side surface, thus effectively balance system aberration relevant to aperture band, and then effectively lifting system Image quality.
In the exemplary embodiment, the imaging lens of the application can meet conditional -1 < f/R1 < 0, wherein f is imaging The effective focal length of camera lens, R1 are the radius of curvature of the object side of the first lens.More specifically, can further meet between f and R1- 0.85≤f/R1≤-0.16.By the ratio for controlling the radius of curvature of the object side of the first lens and the effective focal length of imaging system Value, makes the curvature of field contribution amount of the object side of the first lens be in reasonable range, with the curvature of field amount that group lens generate after balance.
In the exemplary embodiment, the imaging lens of the application can meet conditional 0 < DT31/DT21 < 0.8, wherein DT31 is the maximum effective radius of the object side of the third lens, and DT21 is the maximum effective radius of the object side of the second lens.More Specifically, 0.26≤DT31/DT21≤0.59 can be further met between DT31 and DT21.By the way that the third lens are saturating with second The object side of mirror maximum effective radius control in a certain range, be conducive to increase field angle, increasing light incidence angle, simultaneously It is also beneficial to compression stop position, reduces pupil aberration.For the second lens and the third lens, pass through the choosing of suitable focal power It selects, optical system is enabled preferably to correct primary aberration, it is ensured that system has good image quality and lower sensitivity Property, and then system is easier injection molding and comes out so that higher yield group is vertical.
In the exemplary embodiment, the imaging lens of the application can meet conditional 1 < DT41/DT31 < 2.5, wherein DT31 is the maximum effective radius of the object side of the third lens, and DT41 is the maximum effective radius of the object side of the 4th lens.More Specifically, 1.21≤DT41/DT31≤1.89 can be further met between DT31 and DT41.By by the object side of the 4th lens Effective radius and the third lens object side effective radius Ratio control in certain range, can reduce system incidence Light reduces system from the third lens to the deflection angle of the 4th lens so as to reasonably adjust distribution of the light beam on curved surface Susceptibility.
In the exemplary embodiment, the imaging lens of the application can meet conditional 0 < ET4/CT4 < 1, wherein ET4 is The edge thickness of 4th lens, CT4 are the center thickness of the 4th lens.More specifically, can further meet between ET4 and CT4 0.32≤ET4/CT4≤0.57.By constraining the edge thickness of the 4th lens and the ratio of center thickness, so that the ratio is in In reasonable range, to guarantee feasibility and machinability of the system in structure.
In the exemplary embodiment, the imaging lens of the application can meet conditional 0 < T34/T23 < 0.5, wherein T23 For the airspace of the second lens and the third lens on optical axis, T34 is the air of the third lens and the 4th lens on optical axis Interval.More specifically, can further meet 0.08≤T34/T23≤0.19 between T23 and T34.By constraint the second lens and Airspace and the third lens and fourth lens airspace on optical axis of the third lens on optical axis, so that it is in In reasonable range, it can effectively guarantee feasibility of the system in structure.
In the exemplary embodiment, the imaging lens of the application can meet conditional 1 < f34/f < 2.5, wherein f be at As the effective focal length of camera lens, f34 is the combined focal length of the third lens and the 4th lens.More specifically, between f and f34 further 1.51≤f34/f≤1.94 can be met.By the combined focal length and system effective focal length that reasonably constrain the third and fourth lens Ratio range, enable to after the third and fourth lens combination as an optics constituent element group with reasonable positive light coke, Aberration to have the optics constituent element group of negative focal power to generate with front end is balanced, and then obtains good image quality.
In the exemplary embodiment, the imaging lens of the application can meet conditional HFOV > 45 °, and HFOV is imaging lens The half at the maximum field of view angle of head.More specifically, HFOV may be configured as HFOV >=62.2 °.By by the field angle of imaging lens Control is the field angle greater than general camera lens, so that reaching openr field range when imaging.
Optionally, above-mentioned imaging 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 four can be used according to the imaging lens of the above embodiment of the application. Spacing etc. on the axis between center thickness and each lens by reasonably distributing each power of lens, face type, each lens, The volume that camera lens can effectively be reduced, the machinability for reducing the susceptibility of camera lens and improving camera lens, so that imaging lens more have Conducive to producing and processing and be applicable to portable electronic product.Meanwhile imaging lens through the above configuration can have big view The beneficial effects such as rink corner, high imaging quality and hyposensitivity.
In presently filed embodiment, at least one of mirror surface of each lens is aspherical mirror, that is, first thoroughly At least one of mirror, the second lens, the object side of the third lens and each lens in the 4th lens and image side surface are aspheric Face mirror surface.The characteristics of non-spherical lens is: from lens centre to lens perimeter, curvature is consecutive variations.With from lens centre Have the spherical lens of constant curvature different to lens perimeter, non-spherical lens has more preferably radius of curvature characteristic, has and changes Kind the advantages of distorting aberration and improving astigmatic image error.After non-spherical lens, it can eliminate as much as possible when imaging The aberration of appearance, so as to improve image quality.Optionally, every in the first lens, the second lens, the third lens and the 4th lens The object side of a lens and image side surface are aspherical mirror.
However, it will be understood by those of skill in the art that without departing substantially from this application claims technical solution the case where Under, the lens numbers for constituting imaging lens can be changed, to obtain each result and advantage described in this specification.Though for example, It is so described by taking four lens as an example in embodiments, but the imaging lens are not limited to include four lens.If It needs, which may also include the lens of other quantity.
The specific embodiment for being applicable to the imaging lens of above embodiment is further described with reference to the accompanying drawings.
Embodiment 1
Referring to Fig. 1 to Fig. 2 D description according to the imaging lens of the embodiment of the present application 1.Fig. 1 is shown according to the application The structural schematic diagram of the imaging lens of embodiment 1.
As shown in Figure 1, sequentially being wrapped along optical axis by object side to image side according to the imaging lens of the application illustrative embodiments It includes: the first lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, optical filter E5 and imaging surface S11.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is convex 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 negative power, and object side S5 is Convex surface, image side surface S6 are convex surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is concave surface.Filter Mating plate E5 has object side S9 and image side surface S10.Light from object sequentially pass through each surface S1 to S10 and be ultimately imaged at On image planes S11.
Table 1 shows surface type, radius of curvature, thickness, material and the circular cone of each lens of the imaging lens of embodiment 1 Coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 1
As shown in Table 1, the object side of any one lens of the first lens E1 into the 4th lens E4 and image side surface are It is aspherical.In the present embodiment, the face type x of each 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 is (that is, paraxial curvature c is upper
The inverse of 1 mean curvature radius R of table)；K is circular cone coefficient (having provided in table 1)；Ai is aspherical i-th-th rank Correction factor.The following table 2 gives the high-order coefficient A that can be used for each aspherical mirror S1-S8 in embodiment 14、A6、A8、A10、 A12、A14、A16、A18And A20。
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 4.2918E-01 -3.7033E-01 2.3920E-01 -1.1151E-01 3.6617E-02 -8.2366E-03 1.2070E-03 -1.0382E-04 3.9781E-06
S2 3.3299E-01 -1.6904E+00 1.2832E+01 -4.5788E+01 9.1822E+01 -1.0985E+02 7.6906E+01 -2.8982E+01 4.5398E+00
S3 -3.6845E-01 1.4527E+00 -6.5162E+00 1.7611E+01 -2.9408E+01 2.7162E+01 -1.1541E+01 7.4537E-01 5.8321E-01
S4 -1.7186E-01 -4.4501E-02 8.0457E+00 -8.2085E+01 4.0869E+02 -1.1714E+03 1.9802E+03 -1.8435E+03 7.3344E+02
S5 -9.1963E-01 8.9467E+00 -1.1024E+02 8.3241E+02 -1.6444E+03 -3.1351E+04 2.9688E+05 -1.0644E+06 1.4227E+06
S6 -2.3880E+00 2.5043E+01 -2.5635E+02 1.9394E+03 -9.9585E+03 3.3268E+04 -6.9826E+04 8.4520E+04 -4.5430E+04
S7 -2.1396E+00 2.2155E+01 -2.0293E+02 1.3889E+03 -6.2769E+03 1.8227E+04 -3.2959E+04 3.3957E+04 -1.5272E+04
S8 -4.0389E-01 1.5314E+01 -1.9638E+02 1.5227E+03 -7.2101E+03 2.1126E+04 -3.7205E+04 3.6045E+04 -1.4765E+04
Table 2
The effective focal length f1 to f4, total effective focal length f, optics that table 3 provides each lens of the imaging lens in embodiment 1 are total The imaging surface S11 of length TTL (that is, the distance of the object side S1 of the first lens E1 to imaging surface S11 on optical axis), imaging lens On effective pixel area diagonal line length half ImgH, maximum angle of half field-of view HFOV and F-number Fno.
ImgH(mm) 1.35 f1(mm) -1.17
TTL(mm) 4.60 f2(mm) 1.88
HFOV(°) 62.8 f3(mm) -4.74
Fno 2.07 f4(mm) 1.12
f(mm) 0.80
Table 3
Imaging lens in embodiment 1 meet following relationship:
F4/f1=-0.95, wherein f1 is the effective focal length of the first lens, and f4 is the effective focal length of the 4th lens；
F/f1=-0.68, wherein f is that effective focal length and the f1 of imaging lens are the effective focal length of the first lens；
F/ | R7-R8 |=0.34, wherein f is the effective focal length of imaging lens, and R7 is the curvature of the object side of the 4th lens Radius and R8 are the radius of curvature of the image side surface of the 4th lens；
CT4/CT1=1.13, wherein CT1 is the center thickness of the first lens, and CT4 is the center thickness of the 4th lens；
R6/R5=0.56, wherein R5 is the radius of curvature of the object side of the third lens, and R6 is the image side surface of the third lens Radius of curvature；
F/R1=-0.54, wherein f is the effective focal length of imaging lens, and R1 is the curvature half of the object side of the first lens Diameter；
DT31/DT21=0.59, wherein DT31 is the maximum effective radius of the object side of the third lens, DT21 second The maximum effective radius of the object side of lens；
DT41/DT31=1.21, wherein DT31 is the maximum effective radius of the object side of the third lens, and DT41 is the 4th The maximum effective radius of the object side of lens；
ET4/CT4=0.45, wherein ET4 is the edge thickness of the 4th lens, and CT4 is the center thickness of the 4th lens；
T34/T23 < 0.11, wherein T23 is the airspace of the second lens and the third lens on optical axis, and T34 is third The airspace of lens and the 4th lens on optical axis；
F34/f=1.80, wherein f is the effective focal length of imaging lens, and f34 is the combination of the third lens and the 4th lens Focal length；
HFOV=62.8 ° of half of the maximum field of view angle of imaging lens.
Fig. 2A shows chromatic curve on the axis of the imaging lens of embodiment 1, indicates the light of different wave length via light Converging focal point after system deviates.Fig. 2 B shows the astigmatism curve of the imaging lens of embodiment 1, indicates that meridianal image surface is curved The bending of bent and sagittal image surface.Fig. 2 C shows the distortion curve of the imaging lens of embodiment 1, indicates corresponding at different image heights Distort sizes values.Fig. 2 D shows the ratio chromatism, curve of the imaging lens of embodiment 1, indicate light via after camera lens at The deviation of different image heights in image planes.According to fig. 2 A to Fig. 2 D it is found that imaging lens given by embodiment 1 can be realized it is good Good image quality.
Embodiment 2
Referring to Fig. 3 to Fig. 4 D description according to the imaging 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. 3 show according to the embodiment of the present application 2 at As the structural schematic diagram of camera lens.
As shown in figure 3, according to the imaging lens of the illustrative embodiments of the application along optical axis by object side to image side sequentially It include: the first lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, optical filter E5 and imaging surface S11.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is convex 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 positive light coke, and object side S7 is convex surface, and image side surface S8 is concave surface.Filter Mating plate E5 has object side S9 and image side surface S10.Light from object sequentially pass through each surface S1 to S10 and be ultimately imaged at On image planes S11.
Table 4 shows surface type, radius of curvature, thickness, material and the circular cone of each lens of the imaging lens of embodiment 2 Coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 4
As shown in Table 4, in example 2, the object side of any one lens of the first lens E1 into the 4th lens E4 It is aspherical with image side surface.Table 5 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 2, wherein each non- Spherical surface type can be limited by the formula (1) provided in above-described embodiment 1.
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 5.1244E-01 -4.7018E-01 3.2771E-01 -1.6661E-01 5.9734E-02 -1.4635-02 2.3290E-03 -2.1674E-4 8.9360E-06
S2 4.7215E-01 -2.1598E+00 1.7379E+01 -6.7044E+01 1.4873E+02 -1.9936E+02 1.5790E+02 -6.7809E+01 1.2158E+01
S3 -3.7375E-01 1.9965E+00 -9.6032E+00 3.1179E+01 -6.5441E+01 8.3033E+01 -6.0388E+01 2.2696E+01 -3.2868E+00
S4 -1.9452E-01 1.4398E+00 -7.0299E+00 1.7567E+01 -2.0904E+01 1.0203E+00 2.9505E+01 -3.4775E+01 1.3646E+01
S5 -5.7904E-01 7.0651E+00 -2.5409E+02 5.4994E+03 -8.1920E+04 8.2561E+05 -5.4056E+06 2.0510E+07 -3.3759E+07
S6 1.8830E-03 -1.8404E+01 5.1419E+02 -7.4461E+03 6.6312E+04 -3.7312E+05 1.2772E+06 -2.4122E+06 1.9173E+06
S7 -1.2492E-01 6.9644E-01 2.1300E+01 3.9682E+02 -6.2757E+03 3.5970E+04 -1.0705E+05 1.6719E+05 -1.0942E+05
S8 1.5312E-01 4.2865E+00 -5.0290E+01 5.3988E+02 -3.7884E+03 1.7437E+04 -4.8944E+04 7.6593E+04 -5.1299E+04
Table 5
The effective focal length f1 to f4, total effective focal length f, optics that table 6 provides each lens of the imaging lens in embodiment 2 are total The imaging surface S11 of length TTL (that is, the distance of the object side S1 of the first lens E1 to imaging surface S11 on optical axis), imaging lens On effective pixel area diagonal line length half ImgH, maximum angle of half field-of view HFOV and F-number Fno.
ImgH(mm) 1.35 f1(mm) -1.28
TTL(mm) 4.48 f2(mm) 2.19
HFOV(°) 63.3 f3(mm) 500.02
Fno 2.07 f4(mm) 1.27
f(mm) 0.77
Table 6
Fig. 4 A shows chromatic curve on the axis of the imaging lens of embodiment 2, indicates the light of different wave length via light Converging focal point after system deviates.Fig. 4 B shows the astigmatism curve of the imaging lens of embodiment 2, indicates that meridianal image surface is curved The bending of bent and sagittal image surface.Fig. 4 C shows the distortion curve of the imaging lens of embodiment 2, indicates corresponding at different image heights Distort sizes values.Fig. 4 D shows the ratio chromatism, curve of the imaging lens of embodiment 2, indicate light via after camera lens at The deviation of different image heights in image planes.According to Fig. 4 A to Fig. 4 D it is found that imaging lens given by embodiment 2 can be realized it is good Good image quality.
Embodiment 3
Referring to Fig. 5 to Fig. 6 D description according to the imaging lens of the embodiment of the present application 3.Fig. 5 is shown according to the application The structural schematic diagram of the imaging lens of embodiment 3.
As shown in figure 5, according to the imaging lens of the illustrative embodiments of the application along optical axis by object side to image side sequentially It include: the first lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, optical filter E5 and imaging surface S11.
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 negative power, and object side S5 is Convex surface, image side surface S6 are convex surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is concave surface.Filter Mating plate E5 has object side S9 and image side surface S10.Light from object sequentially pass through each surface S1 to S10 and be ultimately imaged at On image planes S11.
Table 7 shows surface type, radius of curvature, thickness, material and the circular cone of each lens of the imaging lens of embodiment 3 Coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Face number Surface type Radius of curvature Thickness Material Circular cone coefficient
OBJ Spherical surface It is infinite It is infinite
S1 It is aspherical -0.9387 0.4720 1.55,56.11 -1.0000
S2 It is aspherical -6.7553 0.7310 0.0000
S3 It is aspherical 7.3714 0.6439 1.67,20.37 0.0000
S4 It is aspherical -4.0776 0.6133 0.0000
STO Spherical surface It is infinite 0.0500
S5 It is aspherical 1.0781 0.2400 1.67,20 37 0.0000
S6 It is aspherical 0.8951 0.0500 0.0000
S7 It is aspherical 2.4711 0.4993 1.54,55.87 0.0000
S8 It is aspherical -0.7518 0.3967 0.0000
S9 Spherical surface It is infinite 0.2090 1.52,64.20
S10 Spherical surface It is infinite 0.6947
S11 Spherical surface It is infinite It is infinite
S12 Spherical surface It is infinite It is infinite
Table 7
As shown in Table 7, in embodiment 3, the object side of any one lens of the first lens E1 into the 4th lens E4 It is aspherical with image side surface.Table 8 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 3, wherein each non- Spherical surface type can be limited by the formula (1) provided in above-described embodiment 1.
Table 8
The effective focal length f1 to f4, total effective focal length f, optics that table 9 provides each lens of the imaging lens in embodiment 3 are total The imaging surface S11 of length TTL (that is, the distance of the object side S1 of the first lens E1 to imaging surface S11 on optical axis), imaging lens On effective pixel area diagonal line length half ImgH, maximum angle of half field-of view HFOV and F-number Fno.
ImgH(mm) 1.35 f1(mm) -2.06
TTL(mm) 4.60 f2(mm) 4.03
HFOV(°) 62.2 f3(mm) -16.65
Fno 2.07 f4(mm) 1.14
f(mm) 0.8
Table 9
Fig. 6 A shows chromatic curve on the axis of the imaging lens of embodiment 3, indicates the light of different wave length via light Converging focal point after system deviates.Fig. 6 B shows the astigmatism curve of the imaging lens of embodiment 3, indicates that meridianal image surface is curved The bending of bent and sagittal image surface.Fig. 6 C shows the distortion curve of the imaging lens of embodiment 3, indicates corresponding at different image heights Distort sizes values.Fig. 6 D shows the ratio chromatism, curve of the imaging lens of embodiment 3, indicate light via after camera lens at The deviation of different image heights in image planes.According to Fig. 6 A to Fig. 6 D it is found that imaging lens given by embodiment 3 can be realized it is good Good image quality.
Embodiment 4
Referring to Fig. 7 to Fig. 8 D description according to the imaging lens of the embodiment of the present application 4.Fig. 7 is shown according to the application The structural schematic diagram of the imaging lens of embodiment 4.
As shown in fig. 7, according to the imaging lens of the illustrative embodiments of the application along optical axis by object side to image side sequentially It include: the first lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, optical filter E5 and imaging surface S11.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is convex 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 negative power, and object side S5 is Convex surface, image side surface S6 are convex surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is concave surface.Filter Mating plate E5 has object side S9 and image side surface S10.Light from object sequentially pass through each surface S1 to S10 and be ultimately imaged at On image planes S11.
Table 10 shows surface type, radius of curvature, thickness, material and the circle of each lens of the imaging lens of embodiment 4 Bore coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Face number Surface type Radius of curvature Thickness Material Circular cone coefficient
OBJ Spherical surface It is infinite It is infinite
S1 It is aspherical -1.5180 0.4720 1.55,56.11 -1.0000
S2 It is aspherical 1.3744 0.7324 0.0000
S3 It is aspherical 2.3937 0.9700 1.67,20.37 0.0000
S4 It is aspherical -3.0463 0.4123 0.0000
STO Spherical surface It is infinite 0.0956
S5 It is aspherical 1.1876 0.2541 1.67,20.37 0.0000
S6 It is aspherical 0.9400 0.0500 0.0000
S7 It is aspherical 1.8219 0.4621 1.54,55.87 0.0000
S8 It is aspherical -0.8211 0.3222 0.0000
S9 Spherical surface It is infinite 0.2090 1.52,64.20
S10 Spherical surface It is infinite 0.6203
S11 Spherical surface It is infinite It is infinite
S12 Spherical surface It is infinite It is infinite
Table 10
As shown in Table 10, in example 4, the object side of any one lens of the first lens E1 into the 4th lens E4 It is aspherical with image side surface.Table 11 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 4, wherein each Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 3.8252E-01 -3.0336E-01 1.8278E-01 -7.9469E-02 2.4040E-02 -4.9122E-03 6.4522E-04 -4.9044E-05 1.6347E-06
S2 3.5869E-01 -2.1615E+00 1.5446E+01 -5.5158E+01 1.1482E+02 -1.4435E+02 1.0680E+02 -4.2746E+01 7.1543E+00
S3 -2.9104E-01 8.0435E-01 -3.2190E+00 9.1105E+00 -1.7112E+01 1.8408E+01 -1.0219E+01 2.3677E+00 -6.1141E-02
S4 -1.9771E-01 1.2326E+00 -7.7974E+00 3.0170E+01 -7.0458E+01 9.8945E+01 -7.9329E+01 3.2467E+01 -5.0189E+00
S5 -9.8229E-01 1.9053E+01 -5.0264E+02 7.4349E+03 -6.5466E+04 3.3055E+05 -8.3147E+05 5.3471E+05 9.1856E+05
S6 -1.0036E+00 1.4272E+00 1.8307E+02 -4.2002E+03 4.3927E+04 -2.6176E+05 9.0918E+05 -1.7133E+06 1.3517E+06
S7 -4.5584E-01 7.7055E+00 -6.1083E+00 -2.3285E+02 1.1405E+03 5.2368E+02 -1.8884E+04 5.5568E+04 -5.3457E+04
S8 3.8195E-01 1.6664E+00 -1.5054E+01 2.9323E+02 -2.4901E+03 1.2384E+04 -3.5512E+04 5.5480E+04 -3.7375E+04
Table 11
Table 12 provides the effective focal length f1 to f4 of each lens of the imaging lens in embodiment 4, total effective focal length f, optics The imaging surface of total length TTL (that is, the distance of the object side S1 of the first lens E1 to imaging surface S11 on optical axis), imaging lens Half ImgH, the maximum angle of half field-of view HFOV and F-number Fno of effective pixel area diagonal line length on S11.
Table 12
Fig. 8 A shows chromatic curve on the axis of the imaging lens of embodiment 4, indicates the light of different wave length via light Converging focal point after system deviates.Fig. 8 B shows the astigmatism curve of the imaging lens of embodiment 4, indicates that meridianal image surface is curved The bending of bent and sagittal image surface.Fig. 8 C shows the distortion curve of the imaging lens of embodiment 4, indicates corresponding at different image heights Distort sizes values.Fig. 8 D shows the ratio chromatism, curve of the imaging lens of embodiment 4, indicate light via after camera lens at The deviation of different image heights in image planes.According to Fig. 8 A to Fig. 8 D it is found that imaging lens given by embodiment 4 can be realized it is good Good image quality.
Embodiment 5
Referring to Fig. 9 to Figure 10 D description according to the imaging lens of the embodiment of the present application 5.Fig. 9 is shown according to the application The structural schematic diagram of the imaging lens of embodiment 5.
As shown in figure 9, according to the imaging lens of the illustrative embodiments of the application along optical axis by object side to image side sequentially It include: the first lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, optical filter E5 and imaging surface S11.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is convex 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 positive light coke, and object side S7 is convex surface, and image side surface S8 is concave surface.Filter Mating plate E5 has object side S9 and image side surface S10.Light from object sequentially pass through each surface S1 to S10 and be ultimately imaged at On image planes S11.
Table 13 shows surface type, radius of curvature, thickness, material and the circle of each lens of the imaging lens of embodiment 5 Bore coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 13
As shown in Table 13, in embodiment 5, the object side of any one lens of the first lens E1 into the 4th lens E4 It is aspherical with image side surface.Table 14 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 5, wherein each Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 2.7013E-01 -1.8232E-01 9.3968E-02 -3.5507E-02 9.3933E-03 -1.6777E-03 1.9208E-04 -1.2669E-05 3.6417E-07
S2 3.1540E-01 -2.3871E+00 1.4381E+01 -4.6107E+01 8.8681E+01 -1.0501E+02 7.3805E+01 -2.8105E+01 4.4580E+00
S3 -2.3444E-01 3.0466E-01 -5.0203E-01 -1.5079E-01 2.4636E+00 -6.8009E+00 8.9761E+00 -5.5812E+00 1.3209E+00
S4 -1.2974E-01 5.8218E-01 -3.2395E+00 1.0935E+01 -2.0370E+01 1.7958E+01 -6.2742E-01 -9.4736E+00 4.3788E+00
S5 -7.4284E-01 1.1541E+01 -1.9632E+02 4.4297E+02 2.6318E+04 -3.8715E+05 2.4743E+06 -7.7569E+06 9.6961E+06
S6 4.1279E-02 -1.7576E+01 5.1674E+02 -7.9796E+03 7.1154E+04 -3.8642E+05 1.2615E+06 -2.2749E+06 1.7395E+06
S7 3.3580E-01 -4.8114E+00 1.9011E+02 -2.1359E+03 1.2810E+04 -4.5310E+04 9.2603E+04 -9.6367E+04 3.4332E+04
S8 2.9474E-01 3.3160E+00 -1.6190E+01 5.5195E+01 5.4718E+02 -5.5814E+03 2.1400E+04 -3.7124E+04 2.3109E+04
Table 14
Table 15 provides the effective focal length f1 to f4 of each lens of the imaging lens in embodiment 5, total effective focal length f, optics The imaging surface of total length TTL (that is, the distance of the object side S1 of the first lens E1 to imaging surface S11 on optical axis), imaging lens Half ImgH, the maximum angle of half field-of view HFOV and F-number Fno of effective pixel area diagonal line length on S11.
ImgH(mm) 1.35 f1(mm) -1.26
TTL(mm) 4.60 f2(mm) 2.15
HFOV(°) 65.6 f3(mm) 200.48
Fno 2.07 f4(mm) 1.23
f(mm) 0.70
Table 15
Figure 10 A shows chromatic curve on the axis of the imaging lens of embodiment 5, indicates the light of different wave length via light Converging focal point after system deviates.Figure 10 B shows the astigmatism curve of the imaging lens of embodiment 5, indicates meridianal image surface Bending and sagittal image surface bending.Figure 10 C shows the distortion curve of the imaging lens of embodiment 5, indicates at different image heights pair The distortion sizes values answered.Figure 10 D shows the ratio chromatism, curve of the imaging lens of embodiment 5, indicates light via camera lens The deviation of different image heights on imaging surface afterwards.According to Figure 10 A to Figure 10 D it is found that imaging lens energy given by embodiment 5 Enough realize good image quality.
Embodiment 6
Referring to Figure 11 to Figure 12 D description according to the imaging lens of the embodiment of the present application 6.Figure 11 is shown according to this Shen Please embodiment 6 imaging lens structural schematic diagram.
As shown in figure 11, according to the imaging lens of the illustrative embodiments of the application along optical axis by object side to image side sequentially It include: the first lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, optical filter E5 and imaging surface S11.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is convex 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 positive light coke, and object side S7 is convex surface, and image side surface S8 is concave surface.Filter Mating plate E5 has object side S9 and image side surface S10.Light from object sequentially pass through each surface S1 to S10 and be ultimately imaged at On image planes S11.
Table 16 shows surface type, radius of curvature, thickness, material and the circle of each lens of the imaging lens of embodiment 6 Bore coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Face number Surface type Radius of curvature Thickness Material Circular cone coefficient
OBJ Spherical surface It is infinite It is infinite
S1 It is aspherical -3.4775 0.4720 1.55,56.11 0.0000
S2 It is aspherical 0.6041 0.6346 -1.0000
S3 It is aspherical 1.0638 0.7607 1.67,20.37 0.0000
S4 It is aspherical -5.4231 0.2467 0.0000
STO Spherical surface It is infinite 0.0605 0.0000
S5 It is aspherical 3.4275 0.2469 1.67,20.37 0.0000
S6 It is aspherical 3.4164 0.0500 0.0000
S7 It is aspherical 1.9657 0.4383 1.54,55.87 0.0000
S8 It is aspherical -0.6636 0.1760 0.0000
S9 Spherical surface It is infinite 0.2100 1.52,64.20
S10 Spherical surface It is infinite 0.4740
S11 Spherical surface It is infinite It is infinite
S12 Spherical surface It is infinite It is infinite
Table 16
As shown in Table 16, in embodiment 6, the object side of any one lens of the first lens E1 into the 4th lens E4 It is aspherical with image side surface.Table 17 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 6, wherein each Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 1.2541E-01 -2.7428E-02 -2.3397E-02 2.4582E-02 -1.1315E-02 3.1064E-03 -5.2297E-04 4.9978E-05 -2.0765E-06
S2 2.7679E-01 -2.6531E+00 1.5566E+01 -3.9704E+01 5.0885E+01 -3.7080E+01 1.6846E+01 -5.2075E+00 9.4140E-01
S3 -2.6079E-01 -5.7097E-01 5.0836E+00 -2.5688E+01 5.8627E+01 -7.0522E+01 4.5626E+01 -1.4133E+01 1.2987E+00
S4 -5.1813E-02 -9.8977E-01 7.0833E+00 -2.1106E+01 2.0101E+01 5.8492E+01 -2.1514E+02 2.7481E+02 -1.3172E+02
S5 -2.1146E+00 1.4668E+02 -8.7958E+03 3.4216E+05 -8.6599E+06 1.4220E+08 -1.4657E+09 8.6339E+09 -2.2185E+10
S6 -3.8122E+00 7.3930E+01 -1.1300E+03 9.7335E+03 -1.2891E+04 -5.9301E+05 5.9368E+06 -2.4305E+07 3.8058E+07
S7 -4.3005E+00 6.8721E+01 -1.0384E+03 1.2375E+04 -1.0165E+05 5.6014E+05 -1.9769E+06 4.0192E+06 -3.5659E+06
S8 1.7932E-01 1.2485E+01 -2.6597E+02 3.5383E+03 -2.7289E+04 1.2768E+05 -3.5496E+05 5.4045E+05 -3.4796E+05
Table 17
Table 18 provides the effective focal length f1 to f4 of each lens of the imaging lens in embodiment 6, total effective focal length f, optics The imaging surface of total length TTL (that is, the distance of the object side S1 of the first lens E1 to imaging surface S11 on optical axis), imaging lens Half ImgH, the maximum angle of half field-of view HFOV and F-number Fno of effective pixel area diagonal line length on S11.
ImgH(mm) 1.35 f1(mm) -0.91
TTL(mm) 3.77 f2(mm) 1.40
HFOV(°) 70.0 f3(mm) 200.58
Fno 2.07 f4(mm) 0.98
f(mm) 0.56
Table 18
Figure 12 A shows chromatic curve on the axis of the imaging lens of embodiment 6, indicates the light of different wave length via light Converging focal point after system deviates.Figure 12 B shows the astigmatism curve of the imaging lens of embodiment 6, indicates meridianal image surface Bending and sagittal image surface bending.Figure 12 C shows the distortion curve of the imaging lens of embodiment 6, indicates at different image heights pair The distortion sizes values answered.Figure 12 D shows the ratio chromatism, curve of the imaging lens of embodiment 6, indicates light via camera lens The deviation of different image heights on imaging surface afterwards.According to Figure 12 A to Figure 12 D it is found that imaging lens energy given by embodiment 6 Enough realize good image quality.
Embodiment 7
Referring to Figure 13 to Figure 14 D description according to the imaging lens of the embodiment of the present application 7.Figure 13 is shown according to this Shen Please embodiment 7 imaging lens structural schematic diagram.
As shown in figure 13, according to the imaging lens of the illustrative embodiments of the application along optical axis by object side to image side sequentially It include: the first lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, optical filter E5 and imaging surface S11.
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 Negative power, object side S3 are concave 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 positive light coke, and object side S7 is convex surface, and image side surface S8 is concave surface.Filter Mating plate E5 has object side S9 and image side surface S10.Light from object sequentially pass through each surface S1 to S10 and be ultimately imaged at On image planes S11.
Table 19 shows surface type, radius of curvature, thickness, material and the circle of each lens of the imaging lens of embodiment 7 Bore coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Face number Surface type Radius of curvature Thickness Material Circular cone coefficient
OBJ Spherical surface It is infinite It is infinite
S1 It is aspherical -0.8542 0.4720 1.55,56.11 -1.0000
S2 It is aspherical -1.6197 0.3890 0.0000
S3 It is aspherical -1.9056 0.4279 1.67,20.37 0.0000
S4 It is aspherical -2.1168 0.5096 0.0000
STO Spherical surface It is infinite 0.0500
S5 It is aspherical 1.4794 0.2473 1.67,20.37 0.0000
S6 It is aspherical 2.0051 0.0500 0.0000
S7 It is aspherical 5.1027 0.4644 1.54,55.87 0.0000
S8 It is aspherical -0.4566 0.2842 -1.0000
S9 Spherical surface It is infinite 0.2100 1.52,64.20
S10 Spherical surface It is infinite 0.3657
S11 Spherical surface It is infinite It is infinite
S12 Spherical surface It is infinite It is infinite
Table 19
As shown in Table 19, in embodiment 7, the object side of any one lens of the first lens E1 into the 4th lens E4 It is aspherical with image side surface.Table 20 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 7, wherein each Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 1.1800E+00 -1.4259E+00 1.1531E+00 -6.4471E-01 2.4983E-01 -6.5815E-02 1.1229E-02 -1.1168E-03 4.9070E-05
S2 1.9895E+00 -4.1042E-01 1.1612E+01 -5.9979E+01 1.1754E+02 -1.2118E+02 7.0204E+01 -2.1670E+01 2.7770E+00
S3 3.5162E+00 -1.3817E+01 4.9397E+01 -1.3332E+02 2.3147E+02 -2.4657E+02 1.5542E+02 -5.3092E+01 7.5550E+00
S4 2.7888E+00 -1.7473E+01 7.4325E+01 -2.2664E+02 4.8710E+02 -7.0029E+02 6.3149E+02 -3.2096E+02 6.9954E+01
S5 -7.1970E-01 -2.6091E+01 1.1268E+03 -3.3252E+04 5.9432E+05 -5.9798E+06 2.7429E+07 6.1769E+06 -3.5179E+08
S6 -2.0949E+00 7.2394E+01 -1.7863E+03 2.7339E+04 -2.7485E+05 1.7889E+06 -7.2596E+06 1.6672E+07 -1.6550E+07
S7 -2.0645E+00 5.3474E+01 -6.2000E+02 6.2219E+03 -4.9226E+04 2.7212E+05 -9.6728E+05 1.9815E+06 -1.7828E+06
S8 7.2092E-01 -2.3334E+01 5.8166E+02 -7.9923E+03 6.9244E+04 -3.6816E+05 1.1858E+06 -2.1259E+06 1.6158E+06
Table 20
Table 21 provides the effective focal length f1 to f4 of each lens of the imaging lens in embodiment 7, total effective focal length f, optics The imaging surface of total length TTL (that is, the distance of the object side S1 of the first lens E1 to imaging surface S11 on optical axis), imaging lens Half ImgH, the maximum angle of half field-of view HFOV and F-number Fno of effective pixel area diagonal line length on S11.
ImgH(mm) 1.35 f1(mm) -4.23
TTL(mm) 3.47 f2(mm) -151.26
HFOV(°) 71.1 f3(mm) 7.13
Fno 2.06 f4(mm) 0.80
f(mm) 0.53
Table 21
Figure 14 A shows chromatic curve on the axis of the imaging lens of embodiment 7, indicates the light of different wave length via light Converging focal point after system deviates.Figure 14 B shows the astigmatism curve of the imaging lens of embodiment 7, indicates meridianal image surface Bending and sagittal image surface bending.Figure 14 C shows the distortion curve of the imaging lens of embodiment 7, indicates at different image heights pair The distortion sizes values answered.Figure 14 D shows the ratio chromatism, curve of the imaging lens of embodiment 7, indicates light via camera lens The deviation of different image heights on imaging surface afterwards.According to Figure 14 A to Figure 14 D it is found that imaging lens energy given by embodiment 7 Enough realize good image quality.
Embodiment 8
Referring to Figure 15 to Figure 16 D description according to the imaging lens of the embodiment of the present application 8.Figure 15 is shown according to this Shen Please embodiment 8 imaging lens structural schematic diagram.
As shown in figure 15, according to the imaging lens of the illustrative embodiments of the application along optical axis by object side to image side sequentially It include: the first lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, optical filter E5 and imaging surface S11.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is convex 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 negative power, and object side S5 is Convex surface, image side surface S6 are convex surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is concave surface.Filter Mating plate E5 has object side S9 and image side surface S10.Light from object sequentially pass through each surface S1 to S10 and be ultimately imaged at On image planes S11.
Table 22 shows surface type, radius of curvature, thickness, material and the circle of each lens of the imaging lens of embodiment 8 Bore coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 22
As shown in Table 22, in embodiment 8, the object side of any one lens of the first lens E1 into the 4th lens E4 It is aspherical with image side surface.Table 23 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 8, wherein each Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 2.3414E-01 -1.6219E-01 8.8396E-02 -3.6898E-02 1.1449E-02 -2.4916E-03 3.5195E-04 -2.8480E-05 9.9038E-07
S2 3.0323E-01 -2.1588E+00 1.4249E+01 -3.9246E+01 4.8493E+01 -2.6091E+01 1.2131E+00 4.2859E+00 -1.2139E+00
S3 -2.3459E-01 6.9435E-03 1.8638E+00 -1.7951E+01 4.9643E+01 -6.5541E+01 4.5494E+01 -1.5522E+01 1.8801E+00
S4 -5.3458E-02 -1.8875E+00 2.6829E+01 -1.8475E+02 7.7272E+02 -2.0356E+03 3.2952E+03 -2.9913E+03 1.1636E+03
S5 -1.0309E+00 2.8292E+01 -5.8078E+02 5.7642E+03 -1.2156E+02 -4.5277E+05 3.4791E+06 -1.0653E+07 1.1993E+07
S6 -5.4938E+00 1.0824E+02 -1.7780E+03 2.0633E+04 -1.6560E+05 9.1768E+05 -3.4169E+06 7.8738E+06 -8.6231E+06
S7 -5.9840E+00 7.9164E+01 -8.7932E+02 6.9535E+03 -3.7581E+04 1.3643E+05 -3.1805E+05 4.2966E+05 -2.5559E+05
S8 6.2553E-01 -5.0772E+00 5.8611E+01 -1.8571E+02 -5.5535E+02 6.3985E+03 -2.0934E+04 3.1276E+04 -1.8205E+04
Table 23
Table 24 provides the effective focal length f1 to f4 of each lens of the imaging lens in embodiment 8, total effective focal length f, optics The imaging surface of total length TTL (that is, the distance of the object side S1 of the first lens E1 to imaging surface S11 on optical axis), imaging lens Half ImgH, the maximum angle of half field-of view HFOV and F-number Fno of effective pixel area diagonal line length on S11.
ImgH(mm) 1.20 f1(mm) -0.83
TTL(mm) 3.64 f2(mm) 1.23
HFOV(°) 69.0 f3(mm) -20.11
Fno 2.07 f4(mm) 0.93
f(mm) 0.52
Table 24
Figure 16 A shows chromatic curve on the axis of the imaging lens of embodiment 8, indicates the light of different wave length via light Converging focal point after system deviates.Figure 16 B shows the astigmatism curve of the imaging lens of embodiment 8, indicates meridianal image surface Bending and sagittal image surface bending.Figure 16 C shows the distortion curve of the imaging lens of embodiment 8, indicates at different image heights pair The distortion sizes values answered.Figure 16 D shows the ratio chromatism, curve of the imaging lens of embodiment 8, indicates light via camera lens The deviation of different image heights on imaging surface afterwards.According to Figure 16 A to Figure 16 D it is found that imaging lens energy given by embodiment 8 Enough realize good image quality.
Embodiment 9
Referring to Figure 17 to Figure 18 D description according to the imaging lens of the embodiment of the present application 9.Figure 17 shows according to this Shen Please embodiment 9 imaging lens structural schematic diagram.
As shown in figure 17, according to the imaging lens of the illustrative embodiments of the application along optical axis by object side to image side sequentially It include: the first lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, optical filter E5 and imaging surface S11.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is convex 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 positive light coke, and object side S7 is convex surface, and image side surface S8 is concave surface.Filter Mating plate E5 has object side S9 and image side surface S10.Light from object sequentially pass through each surface S1 to S10 and be ultimately imaged at On image planes S11.
Table 25 shows surface type, radius of curvature, thickness, material and the circle of each lens of the imaging lens of embodiment 9 Bore coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Face number Surface type Radius of curvature Thickness Material Circular cone coefficient
OBJ Spherical surface It is infinite It is infinite
S1 It is aspherical -2.5170 0.4720 1.55,56.11 0.0000
S2 It is aspherical 0.6616 0.6176 -1.0000
S3 It is aspherical 1.0068 0.7442 1.67,20.37 0.0000
S4 It is aspherical -6.9870 0.2467 0.0000
STO Spherical surface It is infinite 0.0629
S5 It is aspherical 4.5531 0.2541 1.67,0.37 0.0000
S6 It is aspherical 4.6089 0.0530 0.0000
S7 It is aspherical 1.8048 0.4576 1.54,55.87 0.0000
S8 It is aspherical -0.7070 0.1887 0.0000
S9 Spherical surface It is infinite 0.2100 1.52,64.20
S10 Spherical surface It is infinite 0.4612
S11 Spherical surface It is infinite It is infinite
S12 Spherical surface It is infinite It is infinite
Table 25
As shown in Table 25, in embodiment 9, the object side of any one lens of the first lens E1 into the 4th lens E4 It is aspherical with image side surface.Table 26 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 9, wherein each Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 2.4207E-01 -1.5551E-01 7.2955E-02 -2.4322E-02 5.6895E-03 -8.7611E-04 7.7437E-05 -2.6148E-06 -4.1901E-08
S2 3.1665E-01 -1.8550E+00 1.3681E+01 -4.1561E+01 6.4309E+01 -5.9741E+01 3.5439E+01 -1.2840E+01 2.1872E+00
S3 -3.4531E-01 4.6939E-01 -1.9400E+00 1.4244E+00 -9.2254E+00 3.9780E+01 -6.6237E+01 4.9910E+01 -1.4522E+01
S4 -7.8726E-02 -1.0774E+00 8.8396E+00 -3.5164E+01 8.5729E+01 -1.2807E+02 1.0395E+02 -2.8080E+01 -8.7191E+00
S5 -1.8380E+00 1.0515E+02 -5.2751E+03 1.6614E+05 -3.2632E+06 3.9666E+07 -2.8780E+08 1.1336E+09 -1.8557E+09
S6 -4.0534E+00 8.4774E+01 -1.7282E+03 2.6274E+04 -2.7973E+05 2.0382E+06 -9.6189E+06 2.6283E+07 -3.1436E+07
S7 -4.3355E+00 5.7762E+01 -7.4939E+02 7.2254E+03 -4.6434E+04 2.0164E+05 -5.7804E+05 9.8600E+05 -7.5152E+05
S8 1.2629E-01 9.0598E+00 -1.8198E+02 2.1896E+03 -1.5186E+04 6.3323E+04 -1.5561E+05 2.0837E+05 -1.1775E+05
Table 26
Table 27 provides the effective focal length f1 to f4 of each lens of the imaging lens in embodiment 9, total effective focal length f, optics The imaging surface of total length TTL (that is, the distance of the object side S1 of the first lens E1 to imaging surface S11 on optical axis), imaging lens Half ImgH, the maximum angle of half field-of view HFOV and F-number Fno of effective pixel area diagonal line length on S11.
ImgH(mm) 1.35 f1(mm) -0.91
TTL(mm) 3.77 f2(mm) 1.37
HFOV(°) 69.3 f3(mm) 200.00
Fno 2.07 f4(mm) 1.01
f(mm) 0.58
Table 27
Figure 18 A shows chromatic curve on the axis of the imaging lens of embodiment 9, indicates the light of different wave length via light Converging focal point after system deviates.Figure 18 B shows the astigmatism curve of the imaging lens of embodiment 9, indicates meridianal image surface Bending and sagittal image surface bending.Figure 18 C shows the distortion curve of the imaging lens of embodiment 9, indicates at different image heights pair The distortion sizes values answered.Figure 18 D shows the ratio chromatism, curve of the imaging lens of embodiment 9, indicates light via camera lens The deviation of different image heights on imaging surface afterwards.According to Figure 18 A to Figure 18 D it is found that imaging lens energy given by embodiment 9 Enough realize good image quality.
Embodiment 10
Referring to Figure 19 to Figure 20 D description according to the imaging lens of the embodiment of the present application 10.Figure 19 is shown according to this Apply for the structural schematic diagram of the imaging lens of embodiment 10.
As shown in figure 19, according to the imaging lens of the illustrative embodiments of the application along optical axis by object side to image side sequentially It include: the first lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, optical filter E5 and imaging surface S11.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is convex 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 positive light coke, and object side S7 is convex surface, and image side surface S8 is concave surface.Filter Mating plate E5 has object side S9 and image side surface S10.Light from object sequentially pass through each surface S1 to S10 and be ultimately imaged at On image planes S11.
Table 28 shows surface type, radius of curvature, thickness, material and the circle of each lens of the imaging lens of embodiment 10 Bore coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Face number Surface type Radius of curvature Thickness Material Circular cone coefficient
OBJ Spherical surface It is infinite It is infinite
S1 It is aspherical -2.3618 0.4720 1.55,56.11 0.0000
S2 It is aspherical 0.6818 0.6218 -1.0000
S3 It is aspherical 1.0192 0.7662 1.67,20.37 0.0000
S4 It is aspherical -5.9832 0.2423 0.0000
STO Spherical surface It is infinite 0.0606
S5 It is aspherical 4.5222 0.2537 1.67,0.37 0.0000
S6 It is aspherical 5.3732 0.0500 0.0000
S7 It is aspherical 2.2349 0.4623 1.54,55.87 0.0000
S8 It is aspherical -0.6855 0.1773 0.0000
S9 Spherical surface It is infinite 0.2100 1.52,64.20
S10 Spherical surface It is infinite 0.4727
S11 Spherical surface It is infinite It is infinite
S12 Spherical surface It is infinite It is infinite
Table 28
As shown in Table 28, in embodiment 10, the object side of any one lens of the first lens E1 into the 4th lens E4 Face and image side surface are aspherical.Table 29 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 10, wherein Each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 29
Table 30 provides the effective focal length f1 to f4 of each lens of the imaging lens in embodiment 10, total effective focal length f, optics The imaging surface of total length TTL (that is, the distance of the object side S1 of the first lens E1 to imaging surface S11 on optical axis), imaging lens Half ImgH, the maximum angle of half field-of view HFOV and F-number Fno of effective pixel area diagonal line length on S11.
ImgH(mm) 1.35 f1(mm) -0.92
TTL(mm) 3.79 f2(mm) 1.37
HFOV(°) 69.3 f3(mm) 38.28
Fno 2.07 f4(mm) 1.03
f(mm) 0.58
Table 30
Figure 20 A shows chromatic curve on the axis of the imaging lens of embodiment 10, indicate the light of different wave length via Converging focal point after optical system deviates.Figure 20 B shows the astigmatism curve of the imaging lens of embodiment 10, indicates meridian picture Face bending and sagittal image surface bending.Figure 20 C shows the distortion curve of the imaging lens of embodiment 10, indicates at different image heights Corresponding distortion sizes values.Figure 20 D shows the ratio chromatism, curve of the imaging lens of embodiment 10, indicates light via mirror The deviation of different image heights after head on imaging surface.0A to Figure 20 D is it is found that imaging lens given by embodiment 10 according to fig. 2 Head can be realized good image quality.
In conclusion embodiment 1 to embodiment 10 meets relationship shown in table 31 respectively.
Table 31
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 imaging lens described above.
Above description is only the preferred embodiment of the application and the exemplary illustration to institute's application technology principle.This field It will be appreciated by the skilled person that utility model range involved in the application, however it is not limited to the specific combination of above-mentioned technical characteristic Made of technical solution, while should also cover in the case where not departing from utility model design, by above-mentioned technical characteristic or Its equivalent feature carries out any combination and other technical solutions for being formed.Such as features described above and it is disclosed herein (but not It is limited to) technical characteristic with similar functions is replaced mutually and the technical solution that is formed.

Claims (42)

  1. It by object side to image side sequentially include: the first lens, the second lens, the third lens and along optical axis 1. a kind of imaging lens Four lens, which is characterized in that
    First lens have negative power, and object side is concave surface；
    Second lens have positive light coke or negative power；
    The third lens have positive light coke or negative power, and object side is convex surface, and image side is concave surface；
    4th lens have positive light coke,
    Wherein, airspace is all had between each adjacent lens, and
    Meet -1.3 < f4/f1 < 0 between the effective focal length f1 of first lens and the effective focal length f4 of the 4th lens.
  2. 2. imaging lens according to claim 1, which is characterized in that
    Meet -1 < f/f1 < 0 between the effective focal length f of the imaging lens and the effective focal length f1 of first lens.
  3. 3. imaging lens according to claim 1, which is characterized in that
    The radius of curvature R 7 of the object side of the effective focal length f of the imaging lens, the 4th lens and the 4th lens Meet 0 < f/ between the radius of curvature R 8 of image side surface | R7-R8 | < 0.5.
  4. 4. imaging lens according to claim 1, which is characterized in that
    Between the center thickness CT1 of first lens and the center thickness CT4 of the 4th lens meet 0.5 < CT4/CT1 < 1.5。
  5. 5. imaging lens according to claim 1, which is characterized in that
    It is full between the radius of curvature R 6 of the image side surface of the radius of curvature R 5 and the third lens of the object side of the third lens Foot 0 < R6/R5 < 2.
  6. 6. imaging lens according to claim 1, which is characterized in that
    Between the radius of curvature R 1 of the object side of the effective focal length f of the imaging lens and first lens meet -1 < f/R1 < 0。
  7. 7. imaging lens according to claim 1, which is characterized in that
    The maximum of the object side of the maximum effective radius DT31 and second lens of the object side of the third lens effectively half Meet 0 < DT31/DT21 < 0.8 between diameter DT21.
  8. 8. imaging lens according to claim 1, which is characterized in that
    The maximum of the object side of the maximum effective radius DT31 and the 4th lens of the object side of the third lens effectively half Meet 1 < DT41/DT31 < 2.5 between diameter DT41.
  9. 9. imaging lens according to claim 1, which is characterized in that
    Meet 0 < ET4/CT4 < 1 between the edge thickness ET4 of 4th lens and the center thickness CT4 of the 4th lens.
  10. 10. imaging lens according to claim 1, which is characterized in that
    The airspace T23 of second lens and the third lens on optical axis and the third lens and the described 4th are thoroughly Mirror meets 0 < T34/T23 < 0.5 between the airspace T34 on optical axis.
  11. 11. imaging lens according to claim 1, which is characterized in that
    Meet 1 between the effective focal length f of the imaging lens and the third lens and the combined focal length f34 of the 4th lens <f34/f<2.5。
  12. 12. imaging lens according to any one of claim 1 to 11, which is characterized in that
    The half HFOV at the maximum field of view angle of the imaging lens meets HFOV > 45 °.
  13. It by object side to image side sequentially include: the first lens, the second lens, the third lens and along optical axis 13. a kind of imaging lens Four lens, which is characterized in that
    First lens have negative power, and object side is concave surface；
    Second lens have focal power；
    The third lens have focal power, and object side is convex surface, and image side is concave surface；
    4th lens have positive light coke,
    Wherein, airspace is all had between each adjacent lens, and
    The maximum of the object side of the maximum effective radius DT31 and second lens of the object side of the third lens effectively half Meet 0 < DT31/DT21 < 0.8 between diameter DT21.
  14. 14. imaging lens according to claim 13, which is characterized in that
    Meet -1 < f/f1 < 0 between the effective focal length f of the imaging lens and the effective focal length f1 of first lens.
  15. 15. imaging lens according to claim 13, which is characterized in that
    The radius of curvature R 7 of the object side of the effective focal length f of the imaging lens, the 4th lens and the 4th lens Meet 0 < f/ between the radius of curvature R 8 of image side surface | R7-R8 | < 0.5.
  16. 16. imaging lens according to claim 13, which is characterized in that
    Between the center thickness CT1 of first lens and the center thickness CT4 of the 4th lens meet 0.5 < CT4/CT1 < 1.5。
  17. 17. imaging lens according to claim 13, which is characterized in that
    It is full between the radius of curvature R 6 of the image side surface of the radius of curvature R 5 and the third lens of the object side of the third lens Foot 0 < R6/R5 < 2.
  18. 18. imaging lens according to claim 13, which is characterized in that
    Between the radius of curvature R 1 of the object side of the effective focal length f of the imaging lens and first lens meet -1 < f/R1 < 0。
  19. 19. imaging lens according to claim 13, which is characterized in that
    The maximum of the object side of the maximum effective radius DT31 and the 4th lens of the object side of the third lens effectively half Meet 1 < DT41/DT31 < 2.5 between diameter DT41.
  20. 20. imaging lens according to claim 13, which is characterized in that
    Meet 0 < ET4/CT4 < 1 between the edge thickness ET4 of 4th lens and the center thickness CT4 of the 4th lens.
  21. 21. imaging lens according to claim 13, which is characterized in that
    The airspace T23 of second lens and the third lens on optical axis and the third lens and the described 4th are thoroughly Mirror meets 0 < T34/T23 < 0.5 between the airspace T34 on optical axis.
  22. 22. imaging lens according to claim 13, which is characterized in that
    Meet 1 between the effective focal length f of the imaging lens and the third lens and the combined focal length f34 of the 4th lens <f34/f<2.5。
  23. 23. imaging lens described in any one of 3 to 22 according to claim 1, which is characterized in that
    The half HFOV at the maximum field of view angle of the imaging lens meets HFOV > 45 °.
  24. It by object side to image side sequentially include: the first lens, the second lens, the third lens and along optical axis 24. a kind of imaging lens Four lens, which is characterized in that
    First lens have negative power, and object side is concave surface；
    Second lens have focal power；
    The third lens have focal power, and object side is convex surface, and image side is concave surface；
    4th lens have positive light coke,
    Wherein, airspace is all had between each adjacent lens, and
    Meet 1 between the effective focal length f of the imaging lens and the third lens and the combined focal length f34 of the 4th lens <f34/f<2.5。
  25. 25. imaging lens according to claim 24, which is characterized in that
    Meet -1 < f/f1 < 0 between the effective focal length f of the imaging lens and the effective focal length f1 of first lens.
  26. 26. imaging lens according to claim 24, which is characterized in that
    The radius of curvature R 7 of the object side of the effective focal length f of the imaging lens, the 4th lens and the 4th lens Meet 0 < f/ between the radius of curvature R 8 of image side surface | R7-R8 | < 0.5.
  27. 27. imaging lens according to claim 24, which is characterized in that
    Between the center thickness CT1 of first lens and the center thickness CT4 of the 4th lens meet 0.5 < CT4/CT1 < 1.5。
  28. 28. imaging lens according to claim 24, which is characterized in that
    It is full between the radius of curvature R 6 of the image side surface of the radius of curvature R 5 and the third lens of the object side of the third lens Foot 0 < R6/R5 < 2.
  29. 29. imaging lens according to claim 24, which is characterized in that
    Between the radius of curvature R 1 of the object side of the effective focal length f of the imaging lens and first lens meet -1 < f/R1 < 0。
  30. 30. imaging lens according to claim 24, which is characterized in that
    The maximum of the object side of the maximum effective radius DT31 and the 4th lens of the object side of the third lens effectively half Meet 1 < DT41/DT31 < 2.5 between diameter DT41.
  31. 31. imaging lens according to claim 24, which is characterized in that
    Meet 0 < ET4/CT4 < 1 between the edge thickness ET4 of 4th lens and the center thickness CT4 of the 4th lens.
  32. 32. imaging lens according to claim 24, which is characterized in that
    The airspace T23 of second lens and the third lens on optical axis and the third lens and the described 4th are thoroughly Mirror meets 0 < T34/T23 < 0.5 between the airspace T34 on optical axis.
  33. 33. the imaging lens according to any one of claim 24 to 32, which is characterized in that
    The half HFOV at the maximum field of view angle of the imaging lens meets HFOV > 45 °.
  34. It by object side to image side sequentially include: the first lens, the second lens, the third lens and along optical axis 34. a kind of imaging lens Four lens, which is characterized in that
    First lens have negative power, and object side is concave surface；
    Second lens have focal power；
    The third lens have focal power, and object side is convex surface, and image side is concave surface；
    4th lens have positive light coke,
    Wherein, airspace is all had between each adjacent lens, and
    The airspace T23 of second lens and the third lens on optical axis and the third lens and the described 4th are thoroughly Mirror meets 0 < T34/T23 < 0.5 between the airspace T34 on optical axis.
  35. 35. imaging lens according to claim 34, which is characterized in that
    Meet -1 < f/f1 < 0 between the effective focal length f of the imaging lens and the effective focal length f1 of first lens.
  36. 36. imaging lens according to claim 34, which is characterized in that
    The radius of curvature R 7 of the object side of the effective focal length f of the imaging lens, the 4th lens and the 4th lens Meet 0 < f/ between the radius of curvature R 8 of image side surface | R7-R8 | < 0.5.
  37. 37. imaging lens according to claim 34, which is characterized in that
    Between the center thickness CT1 of first lens and the center thickness CT4 of the 4th lens meet 0.5 < CT4/CT1 < 1.5。
  38. 38. imaging lens according to claim 34, which is characterized in that
    It is full between the radius of curvature R 6 of the image side surface of the radius of curvature R 5 and the third lens of the object side of the third lens Foot 0 < R6/R5 < 2.
  39. 39. imaging lens according to claim 34, which is characterized in that
    Between the radius of curvature R 1 of the object side of the effective focal length f of the imaging lens and first lens meet -1 < f/R1 < 0。
  40. 40. imaging lens according to claim 34, which is characterized in that
    The maximum of the object side of the maximum effective radius DT31 and the 4th lens of the object side of the third lens effectively half Meet 1 < DT41/DT31 < 2.5 between diameter DT41.
  41. 41. imaging lens according to claim 34, which is characterized in that
    Meet 0 < ET4/CT4 < 1 between the edge thickness ET4 of 4th lens and the center thickness CT4 of the 4th lens.
  42. 42. the imaging lens according to any one of claim 34 to 41, which is characterized in that
    The half HFOV at the maximum field of view angle of the imaging lens meets HFOV > 45 °.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109613678A (en) * 2018-12-25 2019-04-12 浙江舜宇光学有限公司 Imaging lens
CN110716289A (en) * 2019-12-12 2020-01-21 江西联创电子有限公司 Optical imaging lens
CN111708151A (en) * 2020-06-19 2020-09-25 惠州市星聚宇光学有限公司 4p wide-angle screen lower fingerprint lens

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109613678A (en) * 2018-12-25 2019-04-12 浙江舜宇光学有限公司 Imaging lens
CN109613678B (en) * 2018-12-25 2024-04-19 浙江舜宇光学有限公司 Imaging lens
CN110716289A (en) * 2019-12-12 2020-01-21 江西联创电子有限公司 Optical imaging lens
CN110716289B (en) * 2019-12-12 2020-03-31 江西联创电子有限公司 Optical imaging lens
EP3835844A1 (en) * 2019-12-12 2021-06-16 Jiangxi Lianchuang Electronic Co., Ltd. Optical imaging lens and imaging device
WO2021114458A1 (en) * 2019-12-12 2021-06-17 江西联创电子有限公司 Optical imaging lens and imaging apparatus
CN111708151A (en) * 2020-06-19 2020-09-25 惠州市星聚宇光学有限公司 4p wide-angle screen lower fingerprint lens

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