CN110426822A

CN110426822A - Optical imaging lens

Info

Publication number: CN110426822A
Application number: CN201910792430.4A
Authority: CN
Inventors: 冯涛; 戴付建; 赵烈烽
Original assignee: Zhejiang Sunny Optics Co Ltd
Current assignee: Zhejiang Sunny Optics Co Ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2019-11-08
Anticipated expiration: 2039-08-26
Also published as: CN110426822B

Abstract

This application discloses a kind of optical imaging lens, wherein optical imaging lens sequentially include first lens with focal power by object side to image side along optical axis, and object side is convex surface, and image side surface is convex surface；The second lens with focal power, object side are convex surface, and image side surface is concave surface；The third lens with focal power；The 4th lens with focal power；The 5th lens with focal power；The 6th lens with focal power；The 7th lens with focal power；And the 8th lens with focal power, object side are concave surface；Wherein, the effective focal length f8 of the maximum angle of half field-of view Semi-FOV of the optical imaging lens and the 8th lens meets: 2.4mm≤tan (Semi-FOV) × | f8 | < 3.5mm.

Description

Optical imaging lens

Technical field

This application involves optical element fields, and in particular, to a kind of optical imaging lens.

Background technique

It continues to develop recently as picture pick-up device, is widely applied in various fields.At the same time, market is to taking the photograph As the image quality requirement of equipment is also higher and higher.For example, for as the main camera of mobile terminal device, optical imaging lens Head show big image planes, large aperture, ultrathin development trend, this proposes new challenge for Optical System Design. In the challenge layer by layer of Optical System Design, resolving power is important a ring.The resolving power performance of optical imaging lens is to camera shooting The image quality of equipment influences very big.The resolving power for improving optical imaging lens helps to improve the image quality of picture pick-up device. Therefore, it is necessary to a kind of optical imaging lens of high resolution.

Summary of the invention

The one side of the application provides such a optical imaging lens, and the optical imaging lens are along optical axis by object side It sequentially include: the first lens with focal power to image side, object side is convex surface, and image side surface is convex surface；With focal power Second lens, object side are convex surface, and image side surface is concave surface；The third lens with focal power；The 4th with focal power is saturating Mirror；The 5th lens with focal power；The 6th lens with focal power；The 7th lens with focal power；And there is light 8th lens of focal power, object side are concave surface.

In one embodiment, effective coke of maximum the angle of half field-of view Semi-FOV and the 8th lens of optical imaging lens Meet away from f8: 2.4mm≤tan (Semi-FOV) × | f8 | < 3.5mm.

In one embodiment, the object side of the first lens to optical imaging lens distance of the imaging surface on optical axis The effective focal length f1 of TTL and the first lens meets: 0.5 < TTL/ | f1 | < 1.6.

In one embodiment, the image side surface of maximum the effective radius DT32 and the 4th lens of the image side surface of the third lens Maximum effective radius DT42 meet: DT32/DT42≤0.99.

In one embodiment, the intersection point of the object side of the 7th lens and optical axis is effective to the object side of the 7th lens On the axis on radius vertex the intersection point of the image side surface of distance SAG71 and the 7th lens and optical axis to the 7th lens image side surface it is effective Distance SAG72 meets on the axis on radius vertex: 0.4 < SAG72/SAG71 < 1.8.

In one embodiment, the curvature of the image side surface of the radius of curvature R 3 and the second lens of the object side of the second lens Radius R4 meets: 0.7 < R3/R4 < 2.0.

In one embodiment, total effective focal length f of the optical imaging lens and Entry pupil diameters EPD of optical imaging lens Meet: f/EPD < 2.

In one embodiment, the curvature of the image side surface of the radius of curvature R 1 and the first lens of the object side of the first lens Radius R2 meets: | R1/R2 | × 10≤0.22.

In one embodiment, spacing distance T56, the 6th lens and of the 5th lens and the 6th lens on optical axis Spacing distance T67, seventh lens and eightth lens spacing distance T78 and first on optical axis of seven lens on optical axis is saturating Distance TTL of the imaging surface on optical axis of the object side of mirror to optical imaging lens meets: 0 < (T56+T67+T78)/TTL < 0.5。

In one embodiment, center thickness CT6 and first lens of the 6th lens on optical axis on optical axis in Heart thickness CT1 meets: 0.6 < CT6/CT1 < 2.0.

In one embodiment, center thickness CT5 and second lens of the 5th lens on optical axis on optical axis in Heart thickness CT2 meets: 0.5 < CT5/CT2 < 1.5.

In one embodiment, the radius of curvature R 15 of the object side of the 8th lens and optical imaging lens it is total effectively Focal length f meets: -1 < R15/f < 0.

Optical imaging lens provided by the present application are arranged using multiple lens, including the first lens to the 8th lens.Pass through The rationally correlation of the effective focal length of the maximum angle of half field-of view and the 8th lens of setting optical imaging lens, and optimal setting the The face type of one lens, the second lens and the 8th lens, reasonably combined each other, balance system aberration improve resolving power.

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 optical 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 optical imaging lens of embodiment 1, astigmatism curve, distortion Curve and ratio chromatism, curve；

Fig. 3 shows the structural schematic diagram of the optical 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 optical imaging lens of embodiment 2, astigmatism curve, distortion Curve and ratio chromatism, curve；

Fig. 5 shows the structural schematic diagram of the optical 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 optical imaging lens of embodiment 3, astigmatism curve, distortion Curve and ratio chromatism, curve；

Fig. 7 shows the structural schematic diagram of the optical 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 optical imaging lens of embodiment 4, astigmatism curve, distortion Curve and ratio chromatism, curve；

Fig. 9 shows the structural schematic diagram of the optical 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 optical imaging lens of embodiment 5, astigmatism curve, abnormal Varied curve and ratio chromatism, curve；

Figure 11 shows the structural schematic diagram of the optical 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 optical imaging lens of embodiment 6, astigmatism curve, abnormal Varied curve and ratio chromatism, curve；

Figure 13 shows the structural schematic diagram of the optical 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 optical imaging lens of embodiment 7, astigmatism curve, abnormal Varied curve and ratio chromatism, curve；

Figure 15 shows the structural schematic diagram of the optical 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 optical imaging lens of embodiment 8, astigmatism curve, abnormal Varied curve and ratio chromatism, curve；

Figure 17 shows the structural schematic diagrams according to the optical 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 optical imaging lens of embodiment 9, astigmatism curve, abnormal Varied curve and ratio chromatism, curve；

Figure 19 shows the structural schematic diagram of the optical imaging lens according to the embodiment of the present application 10；

Figure 20 A to Figure 20 D respectively illustrate chromatic curve on the axis of the optical 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 this thoroughly near the surface of subject The object side of mirror, 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 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.

Optical imaging lens according to the application illustrative embodiments may include eight lens with focal power, that is, First lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens and the 8th lens.This eight Piece lens are along optical axis by object side to image side sequential.

In the exemplary embodiment, the first lens can have positive light coke, and object side is convex surface, and image side surface is convex Face；Second lens can have positive light coke or negative power, and object side is convex surface, and image side surface is concave surface；The third lens can have There are positive light coke or negative power；4th lens can have positive light coke or negative power；5th lens can have positive light coke Or negative power；6th lens can have positive light coke；7th lens can have positive light coke or negative power；And the 8th thoroughly Mirror can have negative power, and object side is concave surface.Each power of lens and face type in reasonably combined optical system, can be effective The aberration of balance optical system improves image quality.The maximum angle of half field-of view Semi-FOV of optical imaging lens and the 8th lens Effective focal length f8 meet: 2.4mm≤tan (Semi-FOV) × | f8 | < 3.5mm.The rationally maximum of setting optical imaging lens The multiplication relationship of the absolute value of the effective focal length of the tangent value of angle of half field-of view and the 8th lens not only improves the 8th lens of control Effective focal length is conducive to control the lens shape of the 8th lens in the range of reasonable focal length, and balance system aberration improves Resolving power.

In the exemplary embodiment, the object side of the first lens to optical imaging lens imaging surface on optical axis away from Meet from the effective focal length f1 of TTL and the first lens: 0.5 < TTL/ | f1 | < 1.6, it is preferable that 0.6 < TTL/ | f1 | < 1.5.Setting The ratio of the absolute value of optical system overall length and the effective focal length of the first lens is in reasonable numberical range, effectively to control light System overall length is conducive to optical system miniaturization.

In the exemplary embodiment, the image side of maximum the effective radius DT32 and the 4th lens of the image side surface of the third lens The maximum effective radius DT42 in face meets: DT32/DT42≤0.99.Be arranged the maximum effective radius of the image side surface of the third lens with The ratio of the maximum effective radius of the image side surface of 4th lens be less than or equal to 0.99, be conducive to improve lens group stand craftsmanship, It corrects off-axis aberration and improves image quality.

In the exemplary embodiment, intersection point the having to the object side of the 7th lens of the object side of the 7th lens and optical axis The image side surface for imitating the intersection point of the image side surface of distance SAG71 and the 7th lens and optical axis on the axis on radius vertex to the 7th lens has It imitates distance SAG72 on the axis on radius vertex to meet: 0.4 < SAG72/SAG71 < 1.8.Rationally setting the 7th lens object side and The image side surface and optical axis of distance and the 7th lens on the intersection point of optical axis to the axis on the effective radius vertex of the object side of the 7th lens Intersection point to the axis on the effective radius vertex of the image side surface of the 7th lens on distance proportionate relationship, be conducive to weaken the 7th lens The ghost image energy that object side and image side surface reflection generate, reduces the risk that ghost image generates.

In the exemplary embodiment, the song of the image side surface of the radius of curvature R 3 and the second lens of the object side of the second lens Rate radius R4 meets: 0.7 < R3/R4 < 2.0, it is preferable that 1.0 < R3/R4 < 1.8.The curvature half of the object side of second lens is set The ratio of the radius of curvature of the image side surface of diameter and the second lens is conducive to correct the mistake of optical system arc in reasonable numberical range The astigmatism in direction.

In the exemplary embodiment, the Entry pupil diameters of total the effective focal length f and optical imaging lens of optical imaging lens EPD meets: f/EPD < 2.The rationally ratio of the Entry pupil diameters of total effective focal length and optical imaging lens of setting optical imaging lens Example relationship not only improves optical system while meeting the face type of each lens of above-described embodiment setting, focal power, makes optics System has the advantage of large aperture, and is conducive to enhance imaging effect of the optical system under the weaker environment of light.At the same time, Above-mentioned relation setting also helps the aberration for reducing optical system peripheral field, and obtains shooting effect of the actual situation with frame, prominent Image main body.

In the exemplary embodiment, the song of the image side surface of the radius of curvature R 1 and the first lens of the object side of the first lens Rate radius R2 meets: | R1/R2 | × 10≤0.22, it is preferable that 0.10≤| R1/R2 | × 10≤0.22.Rationally setting first is thoroughly The proportionate relationship of the radius of curvature of the image side surface of the radius of curvature and the first lens of the object side of mirror is conducive to correct optical system Hereby cut down the curvature of field.

In the exemplary embodiment, spacing distance T56 on optical axis of the 5th lens and the 6th lens, the 6th lens and Spacing distance T67, seventh lens and eightth lens spacing distance T78 and first on optical axis of 7th lens on optical axis Distance TTL of the imaging surface on optical axis of the object side of lens to optical imaging lens meets: 0 < (T56+T67+T78)/TTL < 0.5, it is preferable that 0.1 < (T56+T67+T78)/TTL < 0.4.Rationally interval of setting the 5th lens and the 6th lens on optical axis Distance, the interval distance of spacing distance, the 7th lens and the 8th lens on optical axis of the 6th lens and the 7th lens on optical axis From and proportionate relationship with optical system overall length of the sum of above-mentioned three, not only improve while guarantee lens assemblage, reduce System overall length, and be conducive to while guaranteeing that lens are uniformly distributed, realize system compact, while also helping effectively Off-axis aberration is corrected, the risk for generating ghost image is reduced and improves the image quality of optical system.

In the exemplary embodiment, center thickness CT6 and first lens of the 6th lens on optical axis are on optical axis Center thickness CT1 meets: 0.6 < CT6/CT1 < 2.0, it is preferable that 0.9 < CT6/CT1 < 1.8.Rationally the 6th lens of setting are in light The proportionate relationship of the center thickness of center thickness and the first lens on optical axis on axis not only improves the molding work for increasing lens Skill is advantageously implemented the miniaturization of camera lens again.

In the exemplary embodiment, center thickness CT5 and second lens of the 5th lens on optical axis are on optical axis Center thickness CT2 meets: 0.5 < CT5/CT2 < 1.5, it is preferable that 0.7 < CT5/CT2 < 1.3.Rationally the 5th lens of setting are in optical axis On center thickness on optical axis of center thickness and the second lens proportionate relationship, not only improve and realize that optical lens is ultra-thin Change, and is conducive to correct the meridian direction of the outer visual field of optical system axis and the astigmatism in arc mistake direction.

In the exemplary embodiment, the radius of curvature R 15 of the object side of the 8th lens and optical imaging lens always has It imitates focal length f to meet: -1 < R15/f < 0.The rationally radius of curvature of the object side of the 8th lens of setting, so that the object side of the 8th lens The ratio of total effective focal length of the radius of curvature and optical imaging lens in face not only improves adjustment mirror in reasonable numberical range Head angle of incidence of light, matching chip CRA (Chief Ray Angle, chief ray inclination angle), and be conducive to correction system as It dissipates, reduce distortion.

In the exemplary embodiment, above-mentioned optical imaging lens may also include diaphragm.Diaphragm can be set as needed Appropriate position.For example, diaphragm may be provided between object side and the first lens.Optionally, above-mentioned optical imaging lens can also wrap Include the optical filter for correcting color error ratio and/or the protection glass for protecting the photosensitive element being located on imaging surface.

In the exemplary embodiment, at least one of mirror surface of each lens is aspherical mirror, that is, the first lens At least one mirror surface of object side into the image side surface of the 8th lens is aspherical mirror.The characteristics of non-spherical lens, is: from saturating To lens perimeter, curvature is consecutive variations at mirror center.It is saturating with the spherical surface from lens centre to lens perimeter with constant curvature Mirror is different, and non-spherical lens has more preferably radius of curvature characteristic, has the advantages that improve and distorts aberration and improvement astigmatism aberrations. After non-spherical lens, the aberration occurred when imaging can be eliminated, as much as possible so as to improve image quality.It is optional Ground, in the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens and the 8th lens Each lens object side and at least one of image side surface be aspherical mirror.Optionally, the first lens, the second lens, The third lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens and each lens in the 8th lens object side and Image side surface is aspherical mirror.

The application also provides a kind of imaging device, and electronics photosensitive element can be photosensitive coupling element (CCD) or complementation Property matal-oxide semiconductor element (CMOS).Imaging device can be the independent imaging equipment of such as digital camera, be also possible to The image-forming module being integrated on the mobile electronic devices such as mobile phone.The imaging device is equipped with optical imaging lens described above Head.

The illustrative embodiments of the application also provide a kind of electronic equipment, which includes imaging described above Device.

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 optical imaging lens can be changed, to obtain each result and advantage described in this specification.Example Such as, although being described by taking eight lens as an example in embodiments, which is not limited to include eight Lens.If desired, the optical imaging lens may also include the lens of other quantity.

The specific embodiment for being applicable to the optical 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 optical imaging lens of the embodiment of the present application 1.Fig. 1 is to show basis The structural schematic diagram of the optical imaging lens of the embodiment of the present application 1.

As shown in Figure 1, optical imaging lens along optical axis by object side to image side sequentially include: diaphragm STO, the first lens E1, Second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7, the 8th lens E8, Optical filter E9 and imaging surface S19.

First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is convex surface.Second lens E2 has Negative power, 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 concave surface.4th lens E4 has negative power, and object side S7 is convex 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 concave surface.6th lens E6 has positive light coke, Its object side S11 is convex surface, and image side surface S12 is convex surface.7th lens E7 has positive light coke, and object side S13 is convex surface, as Side S14 is concave surface.8th lens E8 has negative power, and object side S15 is concave surface, and image side surface S16 is concave surface.Optical filter E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged On the S19 of face.

Table 1 shows the basic parameter table of the optical imaging lens of embodiment 1, wherein radius of curvature, thickness/distance and The unit of focal length is millimeter (mm).

Table 1

In the present embodiment, total effective focal length f=4.11mm of optical imaging lens, from the object side S1 of the first lens E1 To distance TTL=5.40mm of the imaging surface S17 on optical axis, the half of effective pixel area diagonal line length on imaging surface S17 ImgH=3.60mm, Semi-FOV=40.52 ° of the maximum angle of half field-of view of optical imaging lens and the light of optical imaging lens Enclose number Fno=1.70.

In embodiment 1, the object side of any one lens of the first lens E1 into the 8th lens E8 and image side surface are equal To be aspherical, 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 (that is, inverse that paraxial curvature c is upper 1 mean curvature radius R of table)；K is circular cone coefficient；Ai It is the correction factor of aspherical i-th-th rank.The following table 2 gives the high order that can be used for each aspherical mirror S1-S16 in embodiment 1 Term coefficient A₄、A₆、A₈、A₁₀、A₁₂、A₁₄And A₁₆。

Table 2

Fig. 2A shows chromatic curve on the axis of the optical imaging lens of embodiment 1, indicates the light warp of different wave length Deviateed by the converging focal point after camera lens.Fig. 2 B shows the astigmatism curve of the optical imaging lens of embodiment 1, indicates meridian picture Face bending and sagittal image surface bending.Fig. 2 C shows the distortion curve of the optical imaging lens of embodiment 1, indicates different image heights Corresponding distortion sizes values.Fig. 2 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 1, indicate light via The deviation of different image heights after camera lens on imaging surface.A to Fig. 2 D is it is found that optical imagery given by embodiment 1 according to fig. 2 Camera lens can be realized good image quality.

Embodiment 2

Referring to Fig. 3 to Fig. 4 D description according to the optical imaging lens of the embodiment of the present application 2.Fig. 3 is shown according to this Apply for the structural schematic diagram of the optical imaging lens of embodiment 2.

As shown in figure 3, optical imaging lens along optical axis by object side to image side sequentially include: diaphragm STO, the first lens E1, Second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7, the 8th lens E8, Optical filter E9 and imaging surface S19.

First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is convex surface.Second lens E2 has Negative power, 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 concave surface.4th lens E4 has positive light coke, and object side S7 is convex 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 concave surface.6th lens E6 has positive light coke, Its object side S11 is convex surface, and image side surface S12 is convex surface.7th lens E7 has positive light coke, and object side S13 is convex surface, as Side S14 is convex surface.8th lens E8 has negative power, and object side S15 is concave surface, and image side surface S16 is concave surface.Optical filter E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged On the S19 of face.

In the present embodiment, total effective focal length f=4.04mm of optical imaging lens, from the object side S1 of the first lens E1 To distance TTL=5.40mm of the imaging surface S17 on optical axis, the half of effective pixel area diagonal line length on imaging surface S17 ImgH=3.60mm, Semi-FOV=40.29 ° of the maximum angle of half field-of view of optical imaging lens and the light of optical imaging lens Enclose number Fno=1.75.

Table 3 shows the basic parameter table of the optical imaging lens of embodiment 2, wherein radius of curvature, thickness/distance and The unit of focal length is millimeter (mm).

Table 3

In example 2, the object side of any one lens of the first lens E1 into the 8th lens E8 and image side surface are equal It is aspherical.The following table 4 gives the high-order coefficient A that can be used for each aspherical mirror S1-S16 in embodiment 2₄、A₆、A₈、A₁₀、 A₁₂、A₁₄And A₁₆。

Face number

A4

A6

A8

A10

A12

A14

A16

S1

-1.3243E-03

7.2468E-04

0.0000E+00

S2

8.8015E-03

-2.1862E-03

0.0000E+00

S3

-7.8913E-02

6.6630E-03

0.0000E+00

S4

-9.3566E-02

6.5523E-03

0.0000E+00

S5

-4.5440E-03

2.6483E-02

0.0000E+00

S6

-3.4619E-02

4.1779E-02

0.0000E+00

S7

-3.5153E-02

1.7719E-02

0.0000E+00

S8

-6.2194E-02

5.3041E-03

0.0000E+00

S9

-6.3098E-02

6.2792E-03

0.0000E+00

S10

-4.9230E-02

2.1421E-02

0.0000E+00

S11

-4.9960E-02

1.0157E-02

0.0000E+00

S12

-5.7685E-02

4.2510E-03

0.0000E+00

S13

-6.7584E-02

-3.7375E-04

0.0000E+00

S14

-2.1605E-02

1.9651E-04

0.0000E+00

S15

-2.0131E-02

4.0336E-03

0.0000E+00

S16

-2.0422E-02

5.7525E-04

0.0000E+00

Table 4

Fig. 4 A shows chromatic curve on the axis of the optical imaging lens of embodiment 2, indicates the light warp of different wave length Deviateed by the converging focal point after camera lens.Fig. 4 B shows the astigmatism curve of the optical imaging lens of embodiment 2, indicates meridian picture Face bending and sagittal image surface bending.Fig. 4 C shows the distortion curve of the optical imaging lens of embodiment 2, indicates different image heights Corresponding distortion sizes values.Fig. 4 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 2, indicate light via The deviation of different image heights after camera lens on imaging surface.According to Fig. 4 A to Fig. 4 D it is found that optical imagery given by embodiment 2 Camera lens can be realized good image quality.

Embodiment 3

Referring to Fig. 5 to Fig. 6 D description according to the optical imaging lens of the embodiment of the present application 3.Fig. 5 is shown according to this Apply for the structural schematic diagram of the optical imaging lens of embodiment 3.

As shown in figure 5, optical imaging lens along optical axis by object side to image side sequentially include: diaphragm STO, the first lens E1, Second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7, the 8th lens E8, Optical filter E9 and imaging surface S19.

First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is convex surface.Second lens E2 has Negative power, 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 concave surface.4th lens E4 has negative power, and object side S7 is convex 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 concave surface.6th lens E6 has positive light coke, Its object side S11 is convex surface, and image side surface S12 is convex surface.7th lens E7 has negative power, and object side S13 is concave surface, as Side S14 is concave surface.8th lens E8 has negative power, and object side S15 is concave surface, and image side surface S16 is concave surface.Optical filter E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged On the S19 of face.

In the present embodiment, total effective focal length f=4.26mm of optical imaging lens, from the object side S1 of the first lens E1 To distance TTL=5.35mm of the imaging surface S17 on optical axis, the half of effective pixel area diagonal line length on imaging surface S17 ImgH=3.60mm, Semi-FOV=38.98 ° of the maximum angle of half field-of view of optical imaging lens and the light of optical imaging lens Enclose number Fno=1.95.

Table 5 shows the basic parameter table of the optical imaging lens of embodiment 3, wherein radius of curvature, thickness/distance and The unit of focal length is millimeter (mm).

Table 5

In embodiment 3, the object side of any one lens of the first lens E1 into the 8th lens E8 and image side surface are equal It is aspherical.The following table 6 gives the high-order coefficient A that can be used for each aspherical mirror S1-S16 in embodiment 3₄、A₆、A₈、A₁₀、 A₁₂、A₁₄、A₁₆、A₁₈And A₂₀。

Face number

A4

A6

A8

A10

A12

A14

A16

S1

-1.5964E-03

7.0410E-04

0.0000E+00

S2

5.6287E-03

-1.8882E-03

0.0000E+00

S3

-8.4616E-02

3.5720E-03

0.0000E+00

S4

-9.4949E-02

5.2980E-03

0.0000E+00

S5

-2.3175E-02

1.9733E-02

0.0000E+00

S6

-4.8771E-02

2.9341E-02

0.0000E+00

S7

-1.0648E-02

2.7154E-02

0.0000E+00

S8

-6.3778E-02

8.7483E-03

0.0000E+00

S9

-6.5275E-02

5.9738E-03

0.0000E+00

S10

-2.0524E-02

3.3408E-02

0.0000E+00

S11

-4.4133E-02

1.6995E-02

0.0000E+00

S12

-5.5826E-02

3.8386E-03

0.0000E+00

S13

-7.5572E-02

-1.2881E-03

0.0000E+00

S14

-2.8918E-02

1.8221E-03

0.0000E+00

S15

-1.2630E-02

2.1398E-03

0.0000E+00

S16

-1.4424E-02

-1.1333E-04

0.0000E+00

Table 6

Fig. 6 A shows chromatic curve on the axis of the optical imaging lens of embodiment 3, indicates the light warp of different wave length Deviateed by the converging focal point after camera lens.Fig. 6 B shows the astigmatism curve of the optical imaging lens of embodiment 3, indicates meridian picture Face bending and sagittal image surface bending.Fig. 6 C shows the distortion curve of the optical imaging lens of embodiment 3, indicates different image heights Corresponding distortion sizes values.Fig. 6 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 3, indicate light via The deviation of different image heights after camera lens on imaging surface.According to Fig. 6 A to Fig. 6 D it is found that optical imagery given by embodiment 3 Camera lens can be realized good image quality.

Embodiment 4

Referring to Fig. 7 to Fig. 8 D description according to the optical imaging lens of the embodiment of the present application 4.Fig. 7 is shown according to this Apply for the structural schematic diagram of the optical imaging lens of embodiment 4.

As shown in fig. 7, optical imaging lens along optical axis by object side to image side sequentially include: diaphragm STO, the first lens E1, Second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7, the 8th lens E8, Optical filter E9 and imaging surface S19.

First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is convex surface.Second lens E2 has Negative power, 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 concave surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is convex surface.The Five lens E5 have negative power, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has positive light coke, Its object side S11 is concave surface, and image side surface S12 is convex surface.7th lens E7 has positive light coke, and object side S13 is convex surface, as Side S14 is concave surface.8th lens E8 has negative power, and object side S15 is concave surface, and image side surface S16 is concave surface.Optical filter E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged On the S19 of face.

In the present embodiment, total effective focal length f=4.06mm of optical imaging lens, from the object side S1 of the first lens E1 To distance TTL=5.40mm of the imaging surface S17 on optical axis, the half of effective pixel area diagonal line length on imaging surface S17 ImgH=3.60mm, Semi-FOV=40.20 ° of the maximum angle of half field-of view of optical imaging lens and the light of optical imaging lens Enclose number Fno=1.85.

Table 7 shows the basic parameter table of the optical imaging lens of embodiment 4, wherein radius of curvature, thickness/distance and The unit of focal length is millimeter (mm).

Table 7

In example 4, the object side of any one lens of the first lens E1 into the 8th lens E8 and image side surface are equal It is aspherical.The following table 8 gives the high-order coefficient A that can be used for each aspherical mirror S1-S16 in embodiment 4₄、A₆、A₈、A₁₀、 A₁₂、A₁₄And A₁₆。

Table 8

Fig. 8 A shows chromatic curve on the axis of the optical imaging lens of embodiment 4, indicates the light warp of different wave length Deviateed by the converging focal point after camera lens.Fig. 8 B shows the astigmatism curve of the optical imaging lens of embodiment 4, indicates meridian picture Face bending and sagittal image surface bending.Fig. 8 C shows the distortion curve of the optical imaging lens of embodiment 4, indicates different image heights Corresponding distortion sizes values.Fig. 8 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 4, indicate light via The deviation of different image heights after camera lens on imaging surface.According to Fig. 8 A to Fig. 8 D it is found that optical imagery given by embodiment 4 Camera lens can be realized good image quality.

Embodiment 5

Referring to Fig. 9 to Figure 10 D description according to the optical imaging lens of the embodiment of the present application 5.Fig. 9 is shown according to this Apply for the structural schematic diagram of the optical imaging lens of embodiment 5.

As shown in figure 9, optical imaging lens along optical axis by object side to image side sequentially include: diaphragm STO, the first lens E1, Second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7, the 8th lens E8, Optical filter E9 and imaging surface S19.

First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is convex surface.Second lens E2 has Negative power, 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 concave surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is convex surface.The Five lens E5 have negative power, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has positive light coke, Its object side S11 is concave surface, and image side surface S12 is convex surface.7th lens E7 has positive light coke, and object side S13 is convex surface, as Side S14 is convex surface.8th lens E8 has negative power, and object side S15 is concave surface, and image side surface S16 is concave surface.Optical filter E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged On the S19 of face.

In the present embodiment, total effective focal length f=4.25mm of optical imaging lens, from the object side S1 of the first lens E1 To distance TTL=5.40mm of the imaging surface S17 on optical axis, the half of effective pixel area diagonal line length on imaging surface S17 ImgH=3.60mm, Semi-FOV=38.89 ° of the maximum angle of half field-of view of optical imaging lens and the light of optical imaging lens Enclose number Fno=1.75.

Table 9 shows the basic parameter table of the optical imaging lens of embodiment 5, wherein radius of curvature, thickness/distance and The unit of focal length is millimeter (mm).

Table 9

In embodiment 5, the object side of any one lens of the first lens E1 into the 8th lens E8 and image side surface are equal It is aspherical.The following table 10 gives the high-order coefficient A that can be used for each aspherical mirror S1-S16 in embodiment 5₄、A₆、A₈、A₁₀、 A₁₂、A₁₄And A₁₆。

Face number

A4

A6

A8

A10

A12

A14

A16

S1

2.3628E-03

4.5364E-04

0.0000E+00

S2

9.0878E-03

-1.6357E-03

0.0000E+00

S3

-7.7102E-02

8.7435E-03

0.0000E+00

S4

-8.7650E-02

1.3781E-02

0.0000E+00

S5

2.4974E-02

3.1256E-02

0.0000E+00

S6

-7.9727E-03

4.7399E-02

0.0000E+00

S7

-3.5990E-02

1.7044E-02

0.0000E+00

S8

-5.7249E-02

-4.8772E-03

0.0000E+00

S9

-5.5525E-02

-7.8563E-03

0.0000E+00

S10

-3.5974E-02

1.0531E-02

0.0000E+00

S11

-1.6383E-02

6.6994E-03

0.0000E+00

S12

-5.1285E-02

7.5788E-03

0.0000E+00

S13

-8.4067E-02

1.8113E-03

0.0000E+00

S14

-1.6806E-02

1.4382E-03

0.0000E+00

S15

7.9906E-03

9.4663E-04

0.0000E+00

S16

-1.2989E-02

7.3245E-06

0.0000E+00

Table 10

Figure 10 A shows chromatic curve on the axis of the optical imaging lens of embodiment 5, indicates the light warp of different wave length Deviateed by the converging focal point after camera lens.Figure 10 B shows the astigmatism curve of the optical imaging lens of embodiment 5, indicates meridian Curvature of the image and sagittal image surface bending.Figure 10 C shows the distortion curve of the optical imaging lens of embodiment 5, indicates different The corresponding distortion sizes values of image height.Figure 10 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 5, indicates light Line via the different image heights after camera lens on imaging surface deviation.According to Figure 10 A to Figure 10 D it is found that given by embodiment 5 Optical imaging lens can be realized good image quality.

Embodiment 6

Referring to Figure 11 to Figure 12 D description according to the optical imaging lens of the embodiment of the present application 6.Figure 11 shows basis The structural schematic diagram of the optical imaging lens of the embodiment of the present application 6.

As shown in figure 11, optical imaging lens along optical axis by object side to image side sequentially include: diaphragm STO, the first lens E1, Second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7, the 8th lens E8, Optical filter E9 and imaging surface S19.

First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is convex surface.Second lens E2 has Negative power, 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 Concave 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 convex surface.The Five lens E5 have negative power, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has positive light coke, Its object side S11 is convex surface, and image side surface S12 is convex surface.7th lens E7 has positive light coke, and object side S13 is convex surface, as Side S14 is convex surface.8th lens E8 has negative power, and object side S15 is concave surface, and image side surface S16 is concave surface.Optical filter E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged On the S19 of face.

In the present embodiment, total effective focal length f=4.09mm of optical imaging lens, from the object side S1 of the first lens E1 To distance TTL=5.40mm of the imaging surface S17 on optical axis, the half of effective pixel area diagonal line length on imaging surface S17 ImgH=3.60mm, Semi-FOV=39.99 ° of the maximum angle of half field-of view of optical imaging lens and the light of optical imaging lens Enclose number Fno=1.75.

Table 11 shows the basic parameter table of the optical imaging lens of embodiment 6, wherein radius of curvature, thickness/distance and The unit of focal length is millimeter (mm).

Table 11

In embodiment 6, the object side of any one lens of the first lens E1 into the 8th lens E8 and image side surface are equal It is aspherical.The following table 12 gives the high-order coefficient A that can be used for each aspherical mirror S1-S16 in embodiment 6₄、A₆、A₈、A₁₀、 A₁₂、A₁₄And A₁₆。

Face number

A4

A6

A8

A10

A12

A14

A16

S1

2.0093E-03

-3.6158E-04

0.0000E+00

S2

7.7330E-03

-1.2877E-03

0.0000E+00

S3

-8.2471E-02

7.5462E-03

0.0000E+00

S4

-9.0384E-02

9.3377E-03

0.0000E+00

S5

3.3758E-02

2.6295E-02

0.0000E+00

S6

-2.8310E-04

4.2237E-02

0.0000E+00

S7

-5.3067E-02

2.1071E-02

0.0000E+00

S8

-5.3120E-02

-2.1280E-03

0.0000E+00

S9

-4.4478E-02

5.5192E-04

0.0000E+00

S10

-6.0172E-02

2.2854E-02

0.0000E+00

S11

-4.6127E-02

9.4741E-03

0.0000E+00

S12

-4.2906E-02

1.7059E-03

0.0000E+00

S13

-7.2349E-02

-3.3446E-04

0.0000E+00

S14

-3.4065E-02

1.0015E-03

0.0000E+00

S15

-1.8390E-02

2.9958E-03

0.0000E+00

S16

-1.7297E-02

2.1585E-04

0.0000E+00

Table 12

Figure 12 A shows chromatic curve on the axis of the optical imaging lens of embodiment 6, indicates the light warp of different wave length Deviateed by the converging focal point after camera lens.Figure 12 B shows the astigmatism curve of the optical imaging lens of embodiment 6, indicates meridian Curvature of the image and sagittal image surface bending.Figure 12 C shows the distortion curve of the optical imaging lens of embodiment 6, indicates different The corresponding distortion sizes values of image height.Figure 12 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 6, indicates light Line via the different image heights after camera lens on imaging surface deviation.According to Figure 12 A to Figure 12 D it is found that given by embodiment 6 Optical imaging lens can be realized good image quality.

Embodiment 7

Referring to Figure 13 to Figure 14 D description according to the optical imaging lens of the embodiment of the present application 7.Figure 13 shows basis The structural schematic diagram of the optical imaging lens of the embodiment of the present application 7.

As shown in figure 13, optical imaging lens along optical axis by object side to image side sequentially include: diaphragm STO, the first lens E1, Second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7, the 8th lens E8, Optical filter E9 and imaging surface S19.

First lens E1 has positive light coke, and object side S1 is convex 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 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 concave surface.6th lens E6 has positive light coke, Its object side S11 is convex surface, and image side surface S12 is concave surface.7th lens E7 has positive light coke, and object side S13 is convex surface, as Side S14 is concave surface.8th lens E8 has negative power, and object side S15 is concave surface, and image side surface S16 is concave surface.Optical filter E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged On the S19 of face.

In the present embodiment, total effective focal length f=3.80mm of optical imaging lens, from the object side S1 of the first lens E1 To distance TTL=5.35mm of the imaging surface S17 on optical axis, the half of effective pixel area diagonal line length on imaging surface S17 ImgH=3.60mm, Semi-FOV=42.08 ° of the maximum angle of half field-of view of optical imaging lens and the light of optical imaging lens Enclose number Fno=1.90.

Table 13 shows the basic parameter table of the optical imaging lens of embodiment 7, wherein radius of curvature, thickness/distance and The unit of focal length is millimeter (mm).

Table 13

In embodiment 7, the object side of any one lens of the first lens E1 into the 8th lens E8 and image side surface are equal It is aspherical.The following table 14 gives the high-order coefficient A that can be used for each aspherical mirror S1-S16 in embodiment 7₄、A₆、A₈、A₁₀、 A₁₂、A₁₄And A₁₆。

Face number

A4

A6

A8

A10

A12

A14

A16

S1

1.2767E-02

-1.5327E-02

0.0000E+00

S2

-7.5515E-04

-8.6227E-03

0.0000E+00

S3

-9.8366E-02

-1.3436E-02

0.0000E+00

S4

-1.0695E-01

-2.2611E-02

0.0000E+00

S5

5.6802E-03

5.5989E-03

0.0000E+00

S6

-2.0879E-02

8.9219E-03

0.0000E+00

S7

-7.0666E-02

8.0773E-03

0.0000E+00

S8

-4.8583E-02

-6.1263E-03

0.0000E+00

S9

-2.0115E-02

1.1411E-03

0.0000E+00

S10

-6.8171E-02

3.6057E-02

0.0000E+00

S11

-8.2364E-02

1.5325E-02

0.0000E+00

S12

-7.2696E-02

8.4914E-03

0.0000E+00

S13

-6.9786E-02

-1.5138E-03

0.0000E+00

S14

-1.9611E-02

-1.3332E-03

0.0000E+00

S15

-1.0378E-02

1.2793E-03

0.0000E+00

S16

-1.7184E-02

1.6568E-04

0.0000E+00

Table 14

Figure 14 A shows chromatic curve on the axis of the optical imaging lens of embodiment 7, indicates the light warp of different wave length Deviateed by the converging focal point after camera lens.Figure 14 B shows the astigmatism curve of the optical imaging lens of embodiment 7, indicates meridian Curvature of the image and sagittal image surface bending.Figure 14 C shows the distortion curve of the optical imaging lens of embodiment 7, indicates different The corresponding distortion sizes values of image height.Figure 14 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 7, indicates light Line via the different image heights after camera lens on imaging surface deviation.According to Figure 14 A to Figure 14 D it is found that given by embodiment 7 Optical imaging lens can be realized good image quality.

Embodiment 8

Referring to Figure 15 to Figure 16 D description according to the optical imaging lens of the embodiment of the present application 8.Figure 15 shows basis The structural schematic diagram of the optical imaging lens of the embodiment of the present application 8.

As shown in figure 15, optical imaging lens along optical axis by object side to image side sequentially include: diaphragm STO, the first lens E1, Second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7, the 8th lens E8, Optical filter E9 and imaging surface S19.

First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is convex surface.Second lens E2 has Negative power, 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 concave surface.6th lens E6 has positive light coke, Its object side S11 is convex surface, and image side surface S12 is convex surface.7th lens E7 has positive light coke, and object side S13 is convex surface, as Side S14 is convex surface.8th lens E8 has negative power, and object side S15 is concave surface, and image side surface S16 is concave surface.Optical filter E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged On the S19 of face.

In the present embodiment, total effective focal length f=3.94mm of optical imaging lens, from the object side S1 of the first lens E1 To distance TTL=5.30mm of the imaging surface S17 on optical axis, the half of effective pixel area diagonal line length on imaging surface S17 ImgH=3.55mm, Semi-FOV=40.60 ° of the maximum angle of half field-of view of optical imaging lens and the light of optical imaging lens Enclose number Fno=1.70.

Table 15 shows the basic parameter table of the optical imaging lens of embodiment 8, wherein radius of curvature, thickness/distance and The unit of focal length is millimeter (mm).

Table 15

In embodiment 8, the object side of any one lens of the first lens E1 into the 8th lens E8 and image side surface are equal It is aspherical.The following table 16 gives the high-order coefficient A that can be used for each aspherical mirror S1-S16 in embodiment 8₄、A₆、A₈、A₁₀、 A₁₂、A₁₄And A₁₆。

Face number

A4

A6

A8

A10

A12

A14

A16

S1

3.9013E-03

3.0208E-03

0.0000E+00

S2

1.6126E-02

-3.8715E-03

0.0000E+00

S3

-7.4046E-02

1.0671E-02

0.0000E+00

S4

-8.7389E-02

1.0115E-02

0.0000E+00

S5

4.3291E-02

-9.7267E-03

0.0000E+00

S6

1.2935E-02

1.9029E-02

0.0000E+00

S7

-4.5179E-02

2.8780E-02

0.0000E+00

S8

-3.4707E-02

-3.7612E-03

0.0000E+00

S9

-5.3523E-02

1.5658E-04

0.0000E+00

S10

-8.5567E-02

3.1268E-02

0.0000E+00

S11

-6.3498E-02

1.1542E-02

0.0000E+00

S12

-6.3925E-02

2.4641E-03

0.0000E+00

S13

-6.1577E-02

-1.4187E-03

0.0000E+00

S14

-1.6538E-02

-1.2214E-03

0.0000E+00

S15

-2.9092E-02

5.9978E-03

0.0000E+00

S16

-2.3197E-02

7.4625E-04

0.0000E+00

Table 16

Figure 16 A shows chromatic curve on the axis of the optical imaging lens of embodiment 8, indicates the light warp of different wave length Deviateed by the converging focal point after camera lens.Figure 16 B shows the astigmatism curve of the optical imaging lens of embodiment 8, indicates meridian Curvature of the image and sagittal image surface bending.Figure 16 C shows the distortion curve of the optical imaging lens of embodiment 8, indicates different The corresponding distortion sizes values of image height.Figure 16 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 8, indicates light Line via the different image heights after camera lens on imaging surface deviation.According to Figure 16 A to Figure 16 D it is found that given by embodiment 8 Optical imaging lens can be realized good image quality.

Embodiment 9

Referring to Figure 17 to Figure 18 D description according to the optical imaging lens of the embodiment of the present application 9.Figure 17 shows bases The structural schematic diagram of the optical imaging lens of the embodiment of the present application 9.

As shown in figure 17, optical imaging lens along optical axis by object side to image side sequentially include: diaphragm STO, the first lens E1, Second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7, the 8th lens E8, Optical filter E9 and imaging surface S19.

First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is convex surface.Second lens E2 has Negative power, 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 concave surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is concave surface.The Five lens E5 have negative power, and object side S9 is convex surface, and image side surface S10 is concave surface.6th lens E6 has positive light coke, Its object side S11 is convex surface, and image side surface S12 is convex surface.7th lens E7 has positive light coke, and object side S13 is convex surface, as Side S14 is concave surface.8th lens E8 has negative power, and object side S15 is concave surface, and image side surface S16 is convex surface.Optical filter E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged On the S19 of face.

In the present embodiment, total effective focal length f=4.25mm of optical imaging lens, from the object side S1 of the first lens E1 To distance TTL=5.40mm of the imaging surface S17 on optical axis, the half of effective pixel area diagonal line length on imaging surface S17 ImgH=3.55mm, Semi-FOV=38.48 ° of the maximum angle of half field-of view of optical imaging lens and the light of optical imaging lens Enclose number Fno=1.80.

Table 17 shows the basic parameter table of the optical imaging lens of embodiment 9, wherein radius of curvature, thickness/distance and The unit of focal length is millimeter (mm).

Table 17

In embodiment 9, the object side of any one lens of the first lens E1 into the 8th lens E8 and image side surface are equal It is aspherical.The following table 18 gives the high-order coefficient A that can be used for each aspherical mirror S1-S16 in embodiment 9₄、A₆、A₈、A₁₀、 A₁₂、A₁₄And A₁₆。

Table 18

Figure 18 A shows chromatic curve on the axis of the optical imaging lens of embodiment 9, indicates the light warp of different wave length Deviateed by the converging focal point after camera lens.Figure 18 B shows the astigmatism curve of the optical imaging lens of embodiment 9, indicates meridian Curvature of the image and sagittal image surface bending.Figure 18 C shows the distortion curve of the optical imaging lens of embodiment 9, indicates different The corresponding distortion sizes values of image height.Figure 18 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 9, indicates light Line via the different image heights after camera lens on imaging surface deviation.According to Figure 18 A to Figure 18 D it is found that given by embodiment 9 Optical imaging lens can be realized good image quality.

Embodiment 10

Referring to Figure 19 to Figure 20 D description according to the optical imaging lens of the embodiment of the present application 10.Figure 19 shows root According to the structural schematic diagram of the optical imaging lens of the embodiment of the present application 10.

As shown in figure 19, optical imaging lens along optical axis by object side to image side sequentially include: diaphragm STO, the first lens E1, Second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7, the 8th lens E8, Optical filter E9 and imaging surface S19.

First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is convex surface.Second lens E2 has Negative power, 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 concave surface.4th lens E4 has positive light coke, and object side S7 is convex 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 positive light coke, Its object side S11 is convex surface, and image side surface S12 is convex surface.7th lens E7 has positive light coke, and object side S13 is convex surface, as Side S14 is convex surface.8th lens E8 has negative power, and object side S15 is concave surface, and image side surface S16 is concave surface.Optical filter E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged On the S19 of face.

In the present embodiment, total effective focal length f=4.12mm of optical imaging lens, from the object side S1 of the first lens E1 To distance TTL=5.40mm of the imaging surface S17 on optical axis, the half of effective pixel area diagonal line length on imaging surface S17 ImgH=3.60mm, Semi-FOV=39.74 ° of the maximum angle of half field-of view of optical imaging lens and the light of optical imaging lens Enclose number Fno=1.45.

Table 19 shows the basic parameter table of the optical imaging lens of embodiment 10, wherein radius of curvature, thickness/distance Unit with focal length is millimeter (mm).

Table 19

In embodiment 10, the object side of any one lens of the first lens E1 into the 8th lens E8 and image side surface are equal It is aspherical.The following table 20 gives the high-order coefficient A that can be used for each aspherical mirror S1-S16 in embodiment 10₄、A₆、A₈、 A₁₀、A₁₂、A₁₄And A₁₆。

Face number

A4

A6

A8

A10

A12

A14

A16

S1

-2.2656E-04

-3.1293E-04

0.0000E+00

S2

7.9438E-03

-5.2711E-04

0.0000E+00

S3

-7.2819E-02

1.2280E-02

0.0000E+00

S4

-8.0804E-02

1.0777E-02

0.0000E+00

S5

3.6764E-02

2.2285E-02

0.0000E+00

S6

9.7322E-04

3.9777E-02

0.0000E+00

S7

-8.8823E-02

1.1784E-02

0.0000E+00

S8

-7.1916E-02

7.1887E-03

0.0000E+00

S9

-3.4229E-02

8.8164E-03

0.0000E+00

S10

-9.7309E-02

2.3718E-02

0.0000E+00

S11

-8.3945E-02

1.4453E-02

0.0000E+00

S12

-7.3609E-02

3.2746E-03

0.0000E+00

S13

-9.2498E-02

4.0307E-03

0.0000E+00

S14

-2.9930E-02

2.6860E-03

0.0000E+00

S15

-1.9892E-02

4.2181E-03

0.0000E+00

S16

-2.0002E-02

1.9515E-04

0.0000E+00

Table 20

Figure 20 A shows chromatic curve on the axis of the optical imaging lens of embodiment 10, indicates the light of different wave length Deviate via the converging focal point after camera lens.Figure 20 B shows the astigmatism curve of the optical imaging lens of embodiment 10, indicates son Noon curvature of the image and sagittal image surface bending.Figure 20 C shows the distortion curve of the optical imaging lens of embodiment 10, indicates not The corresponding distortion sizes values with image height.Figure 20 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 10, indicates Light via the different image heights after camera lens on imaging surface deviation.0A to Figure 20 D is it is found that embodiment 10 is given according to fig. 2 Optical imaging lens out can be realized good image quality.

To sum up, embodiment 1 to embodiment 10 meets relationship shown in table 21 respectively.

Table 21

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

1. a kind of optical imaging lens, which is characterized in that sequentially include: by object side to image side along optical axis

The first lens with focal power, object side are convex surface, and image side surface is convex surface；

The second lens with focal power, object side are convex surface, and image side surface is concave surface；

The third lens with focal power；

The 4th lens with focal power；

The 5th lens with focal power；

The 6th lens with focal power；

The 7th lens with focal power；And

The 8th lens with focal power, object side are concave surface；Wherein,

The maximum angle of half field-of view Semi-FOV of the optical imaging lens and the effective focal length f8 of the 8th lens meet:

2.4mm≤tan(Semi-FOV)×|f8|<3.5mm。

2. optical imaging lens according to claim 1, which is characterized in that the object side of first lens to the light The effective focal length f1 for learning distance TTL and first lens of the imaging surface of imaging lens on the optical axis meets:

0.5<TTL/|f1|<1.6。

3. optical imaging lens according to claim 1, which is characterized in that the maximum of the image side surface of the third lens has The maximum effective radius DT42 for imitating the image side surface of radius DT32 and the 4th lens meets:

DT32/DT42≤0.99。

4. optical imaging lens according to claim 1, which is characterized in that the object side of the 7th lens and the light The picture of distance SAG71 and the 7th lens on the intersection point of axis to the axis on the effective radius vertex of the object side of the 7th lens Distance SAG72 meets on the intersection point of side and the optical axis to the axis on the effective radius vertex of the image side surface of the 7th lens:

0.4<SAG72/SAG71<1.8。

5. optical imaging lens according to claim 1, which is characterized in that the curvature of the object side of second lens half The radius of curvature R 4 of the image side surface of diameter R3 and second lens meets:

0.7<R3/R4<2.0。

6. optical imaging lens according to claim 1, which is characterized in that total effective focal length of the optical imaging lens The Entry pupil diameters EPD of f and the optical imaging lens meets:

f/EPD<2。

7. optical imaging lens according to claim 1, which is characterized in that the curvature of the object side of first lens half The radius of curvature R 2 of the image side surface of diameter R1 and first lens meets:

|R1/R2|×10≤0.22。

8. optical imaging lens according to claim 1, which is characterized in that the 5th lens and the 6th lens exist Spacing distance T67 on the optical axis of spacing distance T56, the 6th lens and the 7th lens on the optical axis, The object side of the spacing distance T78 and first lens of 7th lens and the 8th lens on the optical axis are extremely Distance TTL of the imaging surface of the optical imaging lens on the optical axis meets:

0<(T56+T67+T78)/TTL<0.5。

9. optical imaging lens according to claim 1, which is characterized in that the 6th lens on the optical axis in The center thickness CT1 of heart thickness CT6 and first lens on the optical axis meets:

0.6<CT6/CT1<2.0。

10. a kind of optical imaging lens, which is characterized in that sequentially include: by object side to image side along optical axis

The third lens with focal power；

The 4th lens with focal power；

The 5th lens with focal power；

The 6th lens with focal power；

The 7th lens with focal power；And

The 8th lens with focal power, object side are concave surface；Wherein, the maximum of the image side surface of the third lens effectively half The maximum effective radius DT42 of the image side surface of diameter DT32 and the 4th lens meets:

DT32/DT42≤0.99。