CN107238911A

CN107238911A - Optical imaging lens

Info

Publication number: CN107238911A
Application number: CN201710665837.1A
Authority: CN
Inventors: 张凯元; 李明; 宋博
Original assignee: Zhejiang Sunny Optics Co Ltd
Current assignee: Zhejiang Sunny Optics Co Ltd
Priority date: 2017-08-07
Filing date: 2017-08-07
Publication date: 2017-10-10
Anticipated expiration: 2037-08-07
Also published as: CN107238911B

Abstract

A kind of optical imaging lens of disclosure, the optical imaging lens are sequentially included along optical axis by thing side to image side：First lens, the second lens, the 3rd lens and the 4th lens.First lens have positive light coke, and its thing side is convex surface, and image side surface is concave surface；Second lens have negative power；3rd lens have positive light coke, and its image side surface is convex surface；4th lens have negative power, and its thing side is convex surface, and image side surface is concave surface, and the effective focal length f4 of the 4th lens and total effective focal length f of optical imaging lens meet f4/f ＜ 2.

Description

Optical imaging lens

Technical field

The application is related to a kind of optical imaging lens, more specifically, the application is related to and a kind of includes the optics of four lens Imaging lens.

Background technology

With the development of the chip technologies such as CMOS or CCD, the Pixel Dimensions of chip are less and less, to the optical system matched The requirement more and more higher of the image quality of system.On the other hand, subtracting with the portable electronic products size such as mobile phone or digital camera Small, the miniaturization of the optical lens to matching it is also proposed requirements at the higher level.

Due to size-constrained, the number of lenses of general slim camera lens can fewer, it is impossible to meets high-quality parsing and wants Ask.Required to meet high-quality parsing, the quantity of eyeglass certainly will be increased, so that causing the optics overall length of camera lens increases, It is difficult to the characteristic for having miniaturization concurrently.

Therefore, miniaturization and high-resolution, low sensitivity are had concurrently present applicant proposes a kind of, with good image quality Optical imaging lens.

The content of the invention

This application provides be applicable to portable type electronic product, can at least solve or part solve it is of the prior art The optical imaging lens of at least one above-mentioned shortcoming.

The one side of the application provides such a optical imaging lens, and the optical imaging lens are by thing side to image side Sequentially include：First lens, the second lens, the 3rd lens and the 4th lens.First lens can have positive light coke, its thing side Can be convex surface, image side surface can be concave surface；Second lens can have negative power；3rd lens can have positive light coke, its image side Face can be convex surface；4th lens can have negative power, and its thing side can be convex surface, and image side surface can be concave surface.Wherein, the 4th is saturating The effective focal length f4 of mirror and total effective focal length f of optical imaging lens can meet f4/f ＜ -2.

In one embodiment, the thing side of the first lens on the axle of optical imaging lens imaging surface apart from TTL with The half ImgH of effective pixel area diagonal line length can meet TTL/ImgH≤1.6 on optical imaging lens imaging surface.

In one embodiment, total effective focal length f of the effective focal length f1 of the first lens and optical imaging lens can expire 1.0 ＜ f1/f ＜ 1.4 of foot.

In one embodiment, total effective focal length f of the effective focal length f2 of the second lens and optical imaging lens can expire - 4 ＜ f2/f ＜ -2 of foot.

In one embodiment, total effective focal length f of the effective focal length f3 of the 3rd lens and optical imaging lens can expire 1 ＜ f3/f ＜ 2 of foot.

In one embodiment, the first lens can meet 0.45mm ＜ CT1 ＜ in the center thickness CT1 on optical axis 0.7mm。

In one embodiment, the 3rd lens and the 4th lens can meet 0.3mm ＜ in the spacing distance T34 on optical axis T34 ＜ 0.4mm.

In one embodiment, the radius of curvature R 4 of the second lens image side surface can expire with the effective focal length f2 of the second lens - 4 ＜ R4/f2 ＜ -0.2 of foot.

In one embodiment, the radius of curvature R 3 and the effective focal length f2 of the second lens of the second lens thing side can expire Foot | R3/f2 | ＜ 5.

In one embodiment, the radius of curvature of the lens image side surface of radius of curvature R 1 and first of the first lens thing side R2 can meet -3 ＜ (R1+R2)/(R1-R2) ＜ -2.

In one embodiment, the 4th lens are in center thickness CT4 and the effective focal length f4 of the 4th lens on optical axis - 0.1 ＜ CT4/f4 ＜ 0 can be met.

The one side of the application provides such a optical imaging lens, and the optical imaging lens are by thing side to image side Sequentially include：The first lens, the second lens, the 3rd lens and the 4th lens with focal power.The thing side of first lens can For convex surface, image side surface can be concave surface；At least one in the thing side of second lens and image side surface can be concave surface；3rd lens Image side surface can be convex surface；The thing side of 4th lens can be convex surface, and image side surface can be concave surface；3rd lens and the 4th lens are in light Spacing distance on axle is T34, and it can meet 0.3mm ＜ T34 ＜ 0.4mm.

In one embodiment, the first lens and the 3rd lens can have positive light coke.

In one embodiment, the second lens and the 4th lens can have negative power.

In one embodiment, total effective focal length f of the effective focal length f4 of the 4th lens and optical imaging lens can expire Sufficient f4/f ＜ -2.

In one embodiment, the image side surface of the second lens can be concave surface, the radius of curvature R 4 and second of its image side surface The effective focal length f2 of lens can meet -4 ＜ R4/f2 ＜ -0.2.

The application employs multi-disc (for example, four) lens, by each power of lens of reasonable distribution, face type, each Spacing etc. on axle between the center thickness of mirror and each lens so that camera lens has while good image quality is realized At least one beneficial effect such as large aperture, miniaturization, low sensitivity and good processability.

Brief description of the drawings

With reference to accompanying 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 representation 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 axle of the optical imaging lens of embodiment 1, astigmatism curve, distortion Curve and ratio chromatism, curve；

Fig. 3 shows the structural representation of the optical imaging lens according to the embodiment of the present application 2；

Fig. 4 A to Fig. 4 D respectively illustrate chromatic curve on the axle of the optical imaging lens of embodiment 2, astigmatism curve, distortion Curve and ratio chromatism, curve；

Fig. 5 shows the structural representation of the optical imaging lens according to the embodiment of the present application 3；

Fig. 6 A to Fig. 6 D respectively illustrate chromatic curve on the axle of the optical imaging lens of embodiment 3, astigmatism curve, distortion Curve and ratio chromatism, curve；

Fig. 7 shows the structural representation of the optical imaging lens according to the embodiment of the present application 4；

Fig. 8 A to Fig. 8 D respectively illustrate chromatic curve on the axle of the optical imaging lens of embodiment 4, astigmatism curve, distortion Curve and ratio chromatism, curve；

Fig. 9 shows the structural representation of the optical imaging lens according to the embodiment of the present application 5；

Figure 10 A to Figure 10 D respectively illustrate chromatic curve on the axle of the optical imaging lens of embodiment 5, astigmatism curve, abnormal Varied curve and ratio chromatism, curve；

Figure 11 shows the structural representation of the optical imaging lens according to the embodiment of the present application 6；

Figure 12 A to Figure 12 D respectively illustrate chromatic curve on the axle of the optical imaging lens of embodiment 6, astigmatism curve, abnormal Varied curve and ratio chromatism, curve；

Figure 13 shows the structural representation of the optical imaging lens according to the embodiment of the present application 7；

Figure 14 A to Figure 14 D respectively illustrate chromatic curve on the axle of the optical imaging lens of embodiment 7, astigmatism curve, abnormal Varied curve and ratio chromatism, curve；

Figure 15 shows the structural representation of the optical imaging lens according to the embodiment of the present application 8；

Figure 16 A to Figure 16 D respectively illustrate chromatic curve on the axle of the optical imaging lens of embodiment 8, astigmatism curve, abnormal Varied curve and ratio chromatism, curve；

Figure 17 shows the structural representation of the optical imaging lens according to the embodiment of the present application 9；

Figure 18 A to Figure 18 D respectively illustrate chromatic curve on the axle of the optical imaging lens of embodiment 9, astigmatism curve, abnormal Varied curve and ratio chromatism, curve；

Figure 19 shows the structural representation 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 axle of the optical imaging lens of embodiment 10, astigmatism curve, Distortion curve and ratio chromatism, curve；

Figure 21 shows the structural representation of the optical imaging lens according to the embodiment of the present application 11；

Figure 22 A to Figure 22 D respectively illustrate chromatic curve on the axle of the optical imaging lens of embodiment 11, astigmatism curve, Distortion curve and ratio chromatism, curve.

Embodiment

In order to more fully understand the application, refer to the attached drawing is made into more detailed description to the various aspects of the application.Should Understand, these describe the description of illustrative embodiments simply to the application in detail, rather than limit the application in any way Scope.In the specification, identical reference numbers identical element.Stating "and/or" includes associated institute Any and all combinations of one or more of list of items.

It should be noted that in this manual, the statement of first, second, third, etc. is only used for a feature and another spy Levy and make a distinction, and do not indicate that any limitation to feature.Therefore, in the case of without departing substantially from teachings of the present application, hereinafter The first lens discussed are also known as the second lens or the 3rd lens.

In the accompanying drawings, for convenience of description, thickness, the size and dimension of lens are somewhat exaggerated.Specifically, accompanying drawing Shown in sphere or aspherical shape be illustrated by way of example.That is, sphere or aspherical shape is not limited to accompanying drawing In the sphere that shows or aspherical shape.Accompanying drawing is merely illustrative and simultaneously non-critical is 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 putting, 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.It is referred to as thing side near the surface of object in each lens, It is referred to as image side surface near the surface of imaging surface in each lens.

It will also be appreciated that term " comprising ", " including ", " having ", "comprising" and/or " including ", when in this theory Represent there is stated feature, element and/or part when being used in bright book, but do not preclude the presence or addition of one or more Further feature, element, part and/or combinations thereof.In addition, ought the statement of such as " ... at least one " appear in institute When after the list of row feature, the whole listed feature of modification, rather than the individual component in modification list.In addition, working as description originally During the embodiment of application, represented " one or more embodiments of the application " using "available".Also, term " exemplary " It is intended to refer to example or illustration.

Unless otherwise defined, otherwise all terms (including technical terms and scientific words) used herein be respectively provided with The application one skilled in the art's is generally understood that identical implication.It will also be appreciated that term is (such as in everyday words Term defined in allusion quotation) implication consistent with their implications in the context of correlation technique should be interpreted as having, and It will not explained with idealization or excessively formal sense, unless clearly such herein limit.

It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase Mutually combination.Describe the application 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.

Include such as six lens with focal power according to the optical imaging lens of the application illustrative embodiments, That is, the first lens, the second lens, the 3rd lens, the 4th lens, the 5th lens and the 6th lens.The optical imaging lens may be used also Further comprise the photo-sensitive cell for being arranged at imaging surface.

First lens can have positive light coke, can between its effective focal length f1 and total effective focal length f of optical imaging lens 1.0 ＜ f1/f ＜ 1.4 are met, more specifically, f1 and f can further meet 1.10≤f1/f≤1.27.Reasonable distribution first is saturating The positive light coke of mirror, can both make the first power of lens meet the requirement of system focal power, again can be by the sensitiveness control of system System is in rational interval interior, the demand of satisfaction processing.

Second lens can have negative power, can between its effective focal length f2 and total effective focal length f of optical imaging lens - 4 ＜ f2/f ＜ -2 are met, more specifically, f2 and f can further meet -3.78≤f2/f≤- 2.07.By by the second lens Negative power control in zone of reasonableness, rationally and effectively to balance by the negative ball of the first lens generation with positive light coke The curvature of field amount of difference and system.

3rd lens can have positive light coke, can between its effective focal length f3 and total effective focal length f of optical imaging lens 1 ＜ f3/f ＜ 2 are met, more specifically, f3 and f can further meet 1.28≤f3/f≤1.71.Meet the ＜ f3/f ＜ of conditional 1 2, the ability for being conducive to system to obtain the good balance curvature of field, effectively to be lifted as matter.

4th lens can have negative power, can between its effective focal length f4 and total effective focal length f of optical imaging lens F4/f ＜ -2 are met, more specifically, f4 and f can further meet -4.42≤f4/f≤- 2.01.Pass through rationally dividing for focal power Match somebody with somebody so that system has preferably image quality and relatively low sensitiveness.

The thing side of first lens can be convex surface, and image side surface can be concave surface.The radius of curvature R 1 of first lens thing side with - 3 ＜ (R1+R2)/(R1-R2) ＜ -2 can be met between the radius of curvature R 2 of first lens image side surface, more specifically, R1 and R2 enter One step can meet -2.6≤(R1+R2)/(R1-R2)≤- 2.17.Rationally control the curvature half of the first lens thing side and image side surface Footpath scope so that the first lens can effectively correct system spherical aberration.

Because the sensitiveness of the first lens is stronger, it is therefore desirable to rationally control the center thickness of the first lens so that first Lens have the face shape error after good machinability, and shaping smaller, to ensure the actual imaging quality of system.Example Such as, the first lens can meet 0.45mm ＜ CT1 ＜ 0.7mm in the center thickness CT1 on optical axis, more specifically, CT1 further may be used Meet 0.47mm≤CT1≤0.63mm.

Can be met between the effective focal length f2 of the lens of radius of curvature R 3 and second of second lens thing side | R3/f2 | ＜ 5, More specifically, R3 and f2 can further meet 0.55≤| R3/f2 |≤4.01.Pass through the radius of curvature to the second lens thing side R3 reasonable control, to control the second lens to the contribution rate of system, and then effectively balance system coma.

The image side surface of second lens can be concave surface.Effective Jiao of the lens of radius of curvature R 4 and second of second lens image side surface Away from -4 ＜ R4/f2 ＜ -0.2 can be met between f2, more specifically, R4 and f2 can further meet -3.9≤R4/f2≤- 0.3.It is logical The radius of curvature R 4 of rationally the second lens image side surface of control is crossed, is capable of the astigmatism amount of rational balance system, so that system With good image quality.

The thing side of 3rd lens can be concave surface, and image side surface can be convex surface.

The spacing distance T34 of 3rd lens and the 4th lens on optical axis can meet 0.3mm ＜ T34 ＜ 0.4mm, more specifically Ground, T34 can further meet 0.31mm≤T34≤0.39mm.By the lens of reasonable distribution the 3rd and the 4th lens on optical axis Spacing distance T34, can reasonably correct the distortion of system.In addition, the lens of reasonable distribution the 3rd and the 4th lens are in optical axis On spacing distance T34, additionally aid the later stage the curvature of field fine setting.

The thing side of 4th lens can be convex surface, and image side surface can be concave surface.

4th lens can meet -0.1 ＜ between the center thickness CT4 and the effective focal length f4 of the 4th lens on optical axis CT4/f4 ＜ 0, more specifically, CT4 and f4 can further meet -0.07≤CT4/f4≤- 0.04.Rationally control the 4th lens The scope of center thickness and focal power, to ensure the manufacturability of camera lens machine-shaping while system aberration is corrected.

Optical imaging lens optics total length TTL (that is, from the center of the first lens thing side to optical imaging lens into Distance on the axle of image planes) and optical imaging lens imaging surface on effective pixel area diagonal line length half ImgH between can meet TTL/ImgH≤1.6, more specifically, TTL and ImgH can further meet 1.44≤TTL/ImgH≤1.53.By to camera lens Optics total length and as a high proportion of control, can effectively compress the overall size of imaging lens, to realize the ultra-thin of imaging lens Characteristic and miniaturization, so that the imaging lens can preferably be applied to what such as portable type electronic product equidimension was limited System.

In the exemplary embodiment, optical imaging lens are also provided with an at least diaphragm, to lift the imaging of camera lens Quality.It will be apparent to a skilled person that diaphragm can be arranged as required to the optional position between thing side and image side Place, i.e. diaphragm sets and should not be limited to the position described in Examples below.

Alternatively, above-mentioned optical imaging lens may also include optical filter for correcting color error ratio and/or for protecting The protective glass of photo-sensitive cell on imaging surface.

Multi-disc eyeglass, such as described above four can be used according to the optical imaging lens of the above-mentioned embodiment of the application Piece.Pass through spacing on the axle between each power of lens of reasonable distribution, face type, the center thickness of each lens and each lens Deng can be effectively reduced the susceptibility of camera lens and improve the processability of camera lens so that optical imaging lens be more beneficial for production plus Work and it is applicable to portable type electronic product.Meanwhile, by the optical imaging lens of above-mentioned configuration, also with for example ultra-thin big The beneficial effects such as aperture, high imaging quality.

In presently filed embodiment, at least one in the minute surface of each lens is aspherical mirror.Non-spherical lens The characteristics of be：From lens centre to lens perimeter, curvature is consecutive variations.It is constant with having from lens centre to lens perimeter The spherical lens of curvature is different, and non-spherical lens has more preferably radius of curvature characteristic, and aberration and improvement picture are distorted with improving Dissipate the advantage of aberration.After non-spherical lens, the aberration occurred when imaging can be eliminated as much as possible, so as to improve Image quality.In addition, the use of non-spherical lens can also efficiently reduce the lens number in optical system.

However, it will be understood by those of skill in the art that without departing from this application claims technical scheme situation Under, the lens numbers for constituting optical imaging lens can be changed, to obtain each result and the advantage described in this specification.Example Such as, although be described in embodiments by taking four lens as an example, but the optical imaging lens are not limited to include four Lens.If desired, the optical imaging lens may also include the lens of other quantity.

The specific embodiment for the optical imaging lens for being applicable to above-mentioned embodiment is further described with reference to the accompanying drawings.

Embodiment 1

The optical imaging lens according to the embodiment of the present application 1 are described referring to Fig. 1 to Fig. 2 D.Fig. 1 is shown according to this Apply for the structural representation of the optical imaging lens of embodiment 1.

As shown in figure 1, optical imaging lens sequentially include the first lens E1, the second lens by thing side along optical axis into image side E2, the 3rd lens E3, the 4th lens E4 and imaging surface S11.Optical imaging lens, which may also include, is arranged at the photosensitive of imaging surface S11 Element.

First lens E1 has positive light coke, and its thing side S1 is convex surface, and image side surface S2 is concave surface, and the first lens E1 Thing side S1 and image side surface S2 be aspherical.

Second lens E2 has negative power, and its thing side S3 is concave surface, and image side surface S4 is concave surface, and the second lens E2 Thing side S3 and image side surface S4 be aspherical.

3rd lens E3 has positive light coke, and its thing side S5 is concave surface, and image side surface S6 is convex surface, and the 3rd lens E3 Thing side S5 and image side surface S6 be aspherical.

4th lens E4 has negative power, and its thing side S7 is convex surface, and image side surface S8 is concave surface, and the 4th lens E4 Thing side S7 and image side surface S8 be aspherical.

Alternatively, optical imaging lens may also include the optical filter E5 with thing side S9 and image side surface S10.From object Light sequentially through each surface S1 to S10 and being ultimately imaged on imaging surface S11.

Alternatively, the diaphragm STO of confine optical beam can be provided between thing side and the first lens E1, with improving optical into As the image quality of camera lens.

Table 1 show the surface types of each lens of the optical imaging lens of embodiment 1, radius of curvature, thickness, material and Circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).

Table 1

First lens E1 is in the center thickness CT1=0.57mm on optical axis；3rd lens E3 and the 4th lens E4 are in optical axis On spacing distance T34=0.35mm；The first lens E1 thing side S1 lens E1 of radius of curvature R 1 and first image side surface (R1+R2)/(R1-R2)=- 2.27 are met between S2 radius of curvature R 2.

In embodiment 1, each lens can use non-spherical lens, and each aspherical face type x is limited by below equation：

Wherein, x be it is aspherical along optical axis direction height be h position when, away from aspheric vertex of surface apart from rise；C is Aspherical paraxial curvature, c=1/R (that is, paraxial curvature c is the mean curvature radius R of upper table 1 inverse)；K be circular cone coefficient ( Provided in table 1)；Ai is the correction factor of aspherical i-th-th ranks.Table 2 below is given available for each aspherical in embodiment 1 Minute surface S1-S8 high order term coefficient A₄、A₆、A₈、A₁₀、A₁₂、A₁₄、A₁₆、A₁₈And A₂₀。

Table 2

Table 3 below provides total effective focal length f, the light of the effective focal length f1 to f4 of each lens in embodiment 1, optical imaging lens The optics total length TTL of imaging lens is learned (that is, from the first lens E1 thing side S1 center to imaging surface S11 on optical axis Distance) and optical imaging lens imaging surface S11 on effective pixel area diagonal line length half ImgH.

Table 3

F1/f=1.13 is met between first lens E1 effective focal length f1 and total effective focal length f of optical imaging lens； F2/f=-2.70 is met between second lens E2 effective focal length f2 and total effective focal length f of optical imaging lens；3rd lens F3/f=1.34 is met between E3 effective focal length f3 and total effective focal length f of optical imaging lens；4th lens E4's is effective F4/f=-2.04 is met between focal length f4 and total effective focal length f of optical imaging lens；The optics total length of optical imaging lens On TTL and optical imaging lens imaging surface S11 TTL/ImgH=is met between the half ImgH of effective pixel area diagonal line length 1.44。

Met between the second lens E2 thing side S3 lens E2 of radius of curvature R 3 and second effective focal length f2 | R3/ F2 |=0.89；R4/ is met between the second lens E2 image side surface S4 lens E2 of radius of curvature R 4 and second effective focal length f2 F2=-2.71；4th lens E4 meets CT4/ between the center thickness CT4 and the 4th lens E4 effective focal length f4 on optical axis F4=-0.07.

Fig. 2A shows chromatic curve on the axle of the optical imaging lens of embodiment 1, and it represents the light warp of different wave length Deviateed by the converging focal point after camera lens.Fig. 2 B show the astigmatism curve of the optical imaging lens of embodiment 1, and it represents meridian picture Face is bent and sagittal image surface bending.Fig. 2 C show the distortion curve of the optical imaging lens of embodiment 1, and it represents different visual angles In the case of distortion sizes values.Fig. 2 D show the ratio chromatism, curve of the optical imaging lens of embodiment 1, and it represents light warp The deviation of different image heights after camera lens on imaging surface.Understood according to Fig. 2A to Fig. 2 D, optics given by embodiment 1 into As camera lens can realize good image quality.

Embodiment 2

The optical imaging lens according to the embodiment of the present application 2 are described referring to Fig. 3 to Fig. 4 D.In the present embodiment and following In embodiment, for brevity, by clipped description similar to Example 1.Fig. 3 is shown according to the embodiment of the present application 2 Optical imaging lens structural representation.

As shown in figure 3, optical imaging lens sequentially include the first lens E1, the second lens by thing side along optical axis into image side E2, the 3rd lens E3, the 4th lens E4 and imaging surface S11.Optical imaging lens, which may also include, is arranged at the photosensitive of imaging surface S11 Element.

Table 4 show the surface types of each lens of the optical imaging lens of embodiment 2, radius of curvature, thickness, material and Circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 5 is shown available for each aspheric in embodiment 2 The high order term coefficient of face minute surface, wherein, the formula (1) that each aspherical face type can be provided in above-described embodiment 1 is limited.Table 6 shows The effective focal length f1 to f4, total effective focal length f of optical imaging lens, optical imaging lens of each lens in embodiment 2 are gone out The half ImgH of effective pixel area diagonal line length on optics total length TTL and optical imaging lens imaging surface S11.

Table 4

Face number

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

-2.1256E-01

2.7712E+00

-3.0379E+01

1.9431E+02

-7.7930E+02

1.9634E+03

-3.0212E+03

2.5918E+03

-9.5122E+02

S2

-1.9833E-02

-7.6723E-01

1.1675E+01

-1.0944E+02

5.9731E+02

-1.9944E+03

3.9934E+03

-4.4174E+03

2.0771E+03

S3

-4.9341E-01

3.7087E+00

-6.1876E+01

5.4762E+02

-2.9772E+03

9.9110E+03

-1.9506E+04

2.0482E+04

-8.5637E+03

S4

-2.9513E-01

1.3534E+00

-1.0547E+01

4.6266E+01

-1.3067E+02

2.2320E+02

-1.9563E+02

4.5424E+01

2.8454E+01

S5

-5.3331E-01

3.0778E+00

-1.6976E+01

7.2081E+01

-2.0706E+02

3.8274E+02

-4.2887E+02

2.6071E+02

-6.5155E+01

S6

-7.3748E-01

2.6210E+00

-9.8440E+00

3.0951E+01

-6.9045E+01

1.0390E+02

-9.6548E+01

4.8954E+01

-1.0284E+01

S7

-9.2944E-01

1.2310E+00

-1.0986E+00

7.1224E-01

-3.1400E-01

8.8754E-02

-1.5013E-02

1.3291E-03

-4.3247E-05

S8

-5.2786E-01

7.1899E-01

-6.9579E-01

4.6427E-01

-2.0974E-01

6.2176E-02

-1.1472E-02

1.1896E-03

-5.2980E-05

Table 5

Table 6

Fig. 4 A show chromatic curve on the axle of the optical imaging lens of embodiment 2, and it represents the light warp of different wave length Deviateed by the converging focal point after camera lens.Fig. 4 B show the astigmatism curve of the optical imaging lens of embodiment 2, and it represents meridian picture Face is bent and sagittal image surface bending.Fig. 4 C show the distortion curve of the optical imaging lens of embodiment 2, and it represents different visual angles In the case of distortion sizes values.Fig. 4 D show the ratio chromatism, curve of the optical imaging lens of embodiment 2, and it represents light warp The deviation of different image heights after camera lens on imaging surface.Understood according to Fig. 4 A to Fig. 4 D, optics given by embodiment 2 into As camera lens can realize good image quality.

Embodiment 3

The optical imaging lens according to the embodiment of the present application 3 are described referring to Fig. 5 to Fig. 6 D.Fig. 5 shows basis The structural representation of the optical imaging lens of the embodiment of the present application 3.

As shown in figure 5, optical imaging lens sequentially include the first lens E1, the second lens by thing side along optical axis into image side E2, the 3rd lens E3, the 4th lens E4 and imaging surface S11.Optical imaging lens, which may also include, is arranged at the photosensitive of imaging surface S11 Element.

Table 7 show the surface types of each lens of the optical imaging lens of embodiment 3, radius of curvature, thickness, material and Circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 8 is shown available for each aspheric in embodiment 3 The high order term coefficient of face minute surface, wherein, the formula (1) that each aspherical face type can be provided in above-described embodiment 1 is limited.Table 9 shows The effective focal length f1 to f4, total effective focal length f of optical imaging lens, optical imaging lens of each lens in embodiment 3 are gone out The half ImgH of effective pixel area diagonal line length on optics total length TTL and optical imaging lens imaging surface S11.

Table 7

Face number

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

-1.9825E-01

2.6794E+00

-2.9004E+01

1.8430E+02

-7.3424E+02

1.8382E+03

-2.8101E+03

2.3943E+03

-8.7194E+02

S2

-1.6416E-02

-8.0934E-01

1.2435E+01

-1.1647E+02

6.3899E+02

-2.1479E+03

4.3317E+03

-4.8229E+03

2.2795E+03

S3

-4.9650E-01

3.9607E+00

-6.7591E+01

6.1570E+02

-3.4642E+03

1.2061E+04

-2.5246E+04

2.8973E+04

-1.3906E+04

S4

-2.8915E-01

1.3317E+00

-1.0913E+01

5.0151E+01

-1.4983E+02

2.7794E+02

-2.8962E+02

1.3641E+02

-9.8131E+00

S5

-5.2778E-01

3.1108E+00

-1.7624E+01

7.7135E+01

-2.2764E+02

4.3106E+02

-4.9551E+02

3.1124E+02

-8.1407E+01

S6

-7.2701E-01

2.5302E+00

-9.3702E+00

2.9293E+01

-6.5128E+01

9.7963E+01

-9.1122E+01

4.6246E+01

-9.7205E+00

S7

-8.5648E-01

1.1053E+00

-9.5310E-01

5.9274E-01

-2.4722E-01

6.4191E-02

-9.3305E-03

5.7902E-04

-1.4699E-07

S8

-4.9321E-01

6.5891E-01

-6.2983E-01

4.1650E-01

-1.8686E-01

5.5069E-02

-1.0105E-02

1.0425E-03

-4.6229E-05

Table 8

Table 9

Fig. 6 A show chromatic curve on the axle of the optical imaging lens of embodiment 3, and it represents the light warp of different wave length Deviateed by the converging focal point after camera lens.Fig. 6 B show the astigmatism curve of the optical imaging lens of embodiment 3, and it represents meridian picture Face is bent and sagittal image surface bending.Fig. 6 C show the distortion curve of the optical imaging lens of embodiment 3, and it represents different visual angles In the case of distortion sizes values.Fig. 6 D show the ratio chromatism, curve of the optical imaging lens of embodiment 3, and it represents light warp The deviation of different image heights after camera lens on imaging surface.Understood according to Fig. 6 A to Fig. 6 D, optics given by embodiment 3 into As camera lens can realize good image quality.

Embodiment 4

The optical imaging lens according to the embodiment of the present application 4 are described referring to Fig. 7 to Fig. 8 D.Fig. 7 shows basis The structural representation of the optical imaging lens of the embodiment of the present application 4.

As shown in fig. 7, optical imaging lens sequentially include the first lens E1, the second lens by thing side along optical axis into image side E2, the 3rd lens E3, the 4th lens E4 and imaging surface S11.Optical imaging lens, which may also include, is arranged at the photosensitive of imaging surface S11 Element.

Table 10 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 4 And circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 11 is shown available for each in embodiment 4 The high order term coefficient of aspherical mirror, wherein, the formula (1) that each aspherical face type can be provided in above-described embodiment 1 is limited.Table 12 show total effective focal length f, the optical imaging lens of the effective focal length f1 to f4 of each lens in embodiment 4, optical imaging lens The half ImgH of effective pixel area diagonal line length on the optics total length TTL and optical imaging lens imaging surface S11 of head.

Table 10

Face number

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

-1.6283E-01

1.9298E+00

-2.0790E+01

1.3253E+02

-5.3636E+02

1.3719E+03

-2.1515E+03

1.8860E+03

-7.0928E+02

S2

4.8225E-02

-2.3315E+00

3.4743E+01

-2.9900E+02

1.5486E+03

-4.9436E+03

9.5026E+03

-1.0087E+04

4.5398E+03

S3

-5.8740E-01

4.7274E+00

-7.2031E+01

6.2703E+02

-3.4397E+03

1.1914E+04

-2.5285E+04

2.9983E+04

-1.5178E+04

S4

-4.8743E-01

3.5527E+00

-3.3364E+01

1.9688E+02

-7.5605E+02

1.8572E+03

-2.8003E+03

2.3597E+03

-8.4944E+02

S5

-3.7631E-01

2.6425E+00

-1.6482E+01

7.3416E+01

-2.1898E+02

4.2026E+02

-4.9163E+02

3.1708E+02

-8.6208E+01

S6

-7.6992E-01

2.6800E+00

-8.7837E+00

2.3831E+01

-4.6370E+01

6.1661E+01

-5.1532E+01

2.3847E+01

-4.6163E+00

S7

-9.2896E-01

1.3125E+00

-1.2708E+00

8.9249E-01

-4.2906E-01

1.3555E-01

-2.6861E-02

3.0279E-03

-1.4815E-04

S8

-5.0652E-01

6.9791E-01

-6.7876E-01

4.5301E-01

-2.0408E-01

6.0231E-02

-1.1034E-02

1.1296E-03

-4.9174E-05

Table 11

Table 12

Fig. 8 A show chromatic curve on the axle of the optical imaging lens of embodiment 4, and it represents the light warp of different wave length Deviateed by the converging focal point after camera lens.Fig. 8 B show the astigmatism curve of the optical imaging lens of embodiment 4, and it represents meridian picture Face is bent and sagittal image surface bending.Fig. 8 C show the distortion curve of the optical imaging lens of embodiment 4, and it represents different visual angles In the case of distortion sizes values.Fig. 8 D show the ratio chromatism, curve of the optical imaging lens of embodiment 4, and it represents light warp The deviation of different image heights after camera lens on imaging surface.Understood according to Fig. 8 A to Fig. 8 D, optics given by embodiment 4 into As camera lens can realize good image quality.

Embodiment 5

The optical imaging lens according to the embodiment of the present application 5 are described referring to Fig. 9 to Figure 10 D.Fig. 9 shows basis The structural representation of the optical imaging lens of the embodiment of the present application 5.

As shown in figure 9, optical imaging lens sequentially include the first lens E1, the second lens by thing side along optical axis into image side E2, the 3rd lens E3, the 4th lens E4 and imaging surface S11.Optical imaging lens, which may also include, is arranged at the photosensitive of imaging surface S11 Element.

Table 13 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 5 And circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 14 is shown available for each in embodiment 5 The high order term coefficient of aspherical mirror, wherein, the formula (1) that each aspherical face type can be provided in above-described embodiment 1 is limited.Table 15 show total effective focal length f, the optical imaging lens of the effective focal length f1 to f4 of each lens in embodiment 5, optical imaging lens The half ImgH of effective pixel area diagonal line length on the optics total length TTL and optical imaging lens imaging surface S11 of head.

Table 13

Face number

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

-1.5754E-01

1.8266E+00

-1.9990E+01

1.2892E+02

-5.2663E+02

1.3567E+03

-2.1412E+03

1.8889E+03

-7.1577E+02

S2

6.6354E-03

-6.0722E-01

9.1647E+00

-7.7966E+01

3.8875E+02

-1.1815E+03

2.1384E+03

-2.1162E+03

8.7649E+02

S3

-6.6568E-01

6.7029E+00

-1.0941E+02

1.0614E+03

-6.5105E+03

2.5311E+04

-6.0479E+04

8.0982E+04

-4.6479E+04

S4

-5.1187E-01

2.9210E+00

-2.4363E+01

1.3298E+02

-4.7799E+02

1.1089E+03

-1.5896E+03

1.2810E+03

-4.4341E+02

S5

-2.9285E-01

1.7675E+00

-1.0104E+01

3.9996E+01

-1.0734E+02

1.8867E+02

-2.0413E+02

1.2234E+02

-3.0978E+01

S6

-7.9986E-01

2.9595E+00

-9.1596E+00

2.1854E+01

-3.6493E+01

4.1377E+01

-2.9834E+01

1.2119E+01

-2.0889E+00

S7

-9.6598E-01

1.3676E+00

-1.3091E+00

9.1075E-01

-4.3468E-01

1.3622E-01

-2.6698E-02

2.9667E-03

-1.4265E-04

S8

-5.3345E-01

7.5736E-01

-7.5505E-01

5.1500E-01

-2.3648E-01

7.1000E-02

-1.3220E-02

1.3759E-03

-6.0974E-05

Table 14

Table 15

Figure 10 A show chromatic curve on the axle of the optical imaging lens of embodiment 5, and it represents the light warp of different wave length Deviateed by the converging focal point after camera lens.Figure 10 B show the astigmatism curve of the optical imaging lens of embodiment 5, and it represents meridian Curvature of the image and sagittal image surface bending.Figure 10 C show the distortion curve of the optical imaging lens of embodiment 5, and it represents different Distortion sizes values in the case of visual angle.Figure 10 D show the ratio chromatism, curve of the optical imaging lens of embodiment 5, and it is represented Light via the different image heights after camera lens on imaging surface deviation.Understood according to Figure 10 A to Figure 10 D, given by embodiment 5 Optical imaging lens can realize good image quality.

Embodiment 6

The optical imaging lens according to the embodiment of the present application 6 are described referring to Figure 11 to Figure 12 D.Figure 11 shows root According to the structural representation 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 thing side to sequentially including the first lens E1 into image side, it is second saturating Mirror E2, the 3rd lens E3, the 4th lens E4 and imaging surface S11.Optical imaging lens may also include the sense for being arranged at imaging surface S11 Optical element.

Table 16 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 6 And circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 17 is shown available for each in embodiment 6 The high order term coefficient of aspherical mirror, wherein, the formula (1) that each aspherical face type can be provided in above-described embodiment 1 is limited.Table 18 show total effective focal length f, the optical imaging lens of the effective focal length f1 to f4 of each lens in embodiment 6, optical imaging lens The half ImgH of effective pixel area diagonal line length on the optics total length TTL and optical imaging lens imaging surface S11 of head.

Table 16

Face number

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

-1.6506E-01

1.8902E+00

-2.0899E+01

1.3629E+02

-5.6529E+02

1.4818E+03

-2.3812E+03

2.1382E+03

-8.2404E+02

S2

6.1724E-02

-2.6548E+00

3.9793E+01

-3.4322E+02

1.7831E+03

-5.7076E+03

1.1000E+04

-1.1706E+04

5.2814E+03

S3

-6.0407E-01

4.3362E+00

-6.6512E+01

5.8839E+02

-3.2913E+03

1.1641E+04

-2.5302E+04

3.0884E+04

-1.6217E+04

S4

-4.4744E-01

2.4301E+00

-1.9001E+01

9.5647E+01

-3.2501E+02

7.2382E+02

-1.0100E+03

8.0589E+02

-2.8091E+02

S5

-3.2679E-01

1.9654E+00

-1.0397E+01

4.1093E+01

-1.1127E+02

1.9326E+02

-2.0194E+02

1.1455E+02

-2.6982E+01

S6

-7.6098E-01

2.5825E+00

-7.9298E+00

1.9670E+01

-3.4714E+01

4.2690E+01

-3.3864E+01

1.5118E+01

-2.8429E+00

S7

-8.6100E-01

1.1579E+00

-1.0433E+00

6.8327E-01

-3.0900E-01

9.2287E-02

-1.7293E-02

1.8365E-03

-8.4047E-05

S8

-4.8125E-01

6.4534E-01

-6.1180E-01

3.9860E-01

-1.7536E-01

5.0486E-02

-9.0072E-03

8.9680E-04

-3.7946E-05

Table 17

Table 18

Figure 12 A show chromatic curve on the axle of the optical imaging lens of embodiment 6, and it represents the light warp of different wave length Deviateed by the converging focal point after camera lens.Figure 12 B show the astigmatism curve of the optical imaging lens of embodiment 6, and it represents meridian Curvature of the image and sagittal image surface bending.Figure 12 C show the distortion curve of the optical imaging lens of embodiment 6, and it represents different Distortion sizes values in the case of visual angle.Figure 12 D show the ratio chromatism, curve of the optical imaging lens of embodiment 6, and it is represented Light via the different image heights after camera lens on imaging surface deviation.Understood according to Figure 12 A to Figure 12 D, given by embodiment 6 Optical imaging lens can realize good image quality.

Embodiment 7

The optical imaging lens according to the embodiment of the present application 7 are described referring to Figure 13 to Figure 14 D.Figure 13 shows root According to the structural representation 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 thing side to sequentially including the first lens E1 into image side, it is second saturating Mirror E2, the 3rd lens E3, the 4th lens E4 and imaging surface S11.Optical imaging lens may also include the sense for being arranged at imaging surface S11 Optical element.

Second lens E2 has negative power, and its thing side S3 is convex surface, and image side surface S4 is concave surface, and the second lens E2 Thing side S3 and image side surface S4 be aspherical.

Table 19 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 7 And circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 20 is shown available for each in embodiment 7 The high order term coefficient of aspherical mirror, wherein, the formula (1) that each aspherical face type can be provided in above-described embodiment 1 is limited.Table 21 show total effective focal length f, the optical imaging lens of the effective focal length f1 to f4 of each lens in embodiment 7, optical imaging lens The half ImgH of effective pixel area diagonal line length on the optics total length TTL and optical imaging lens imaging surface S11 of head.

Table 19

Face number

4

A6

A8

A10

A12

A14

A16

A18

A20

S1

-1.6925E-01

2.4827E+00

-2.5491E+01

1.5546E+02

-5.9582E+02

1.4425E+03

-2.1427E+03

1.7813E+03

-6.3497E+02

S2

-4.4422E-02

-1.5450E+00

2.0680E+01

-1.7301E+02

8.6390E+02

-2.6537E+03

4.8868E+03

-4.9495E+03

2.1125E+03

S3

-3.9784E-01

3.5521E+00

-7.0306E+01

7.0349E+02

-4.3487E+03

1.6788E+04

-3.9474E+04

5.1718E+04

-2.8939E+04

S4

-2.9358E-01

8.1375E-01

-6.8856E+00

2.6706E+01

-5.9948E+01

6.8181E+01

-9.6327E+00

-6.2782E+01

5.0475E+01

S5

-5.0752E-01

3.1553E+00

-1.8418E+01

8.3891E+01

-2.4882E+02

4.7162E+02

-5.5331E+02

3.6231E+02

-1.0017E+02

S6

-7.6879E-01

2.5796E+00

-9.9659E+00

3.4344E+01

-8.5353E+01

1.4248E+02

-1.4493E+02

7.9536E+01

-1.7957E+01

S7

-6.7811E-01

7.6712E-01

-5.7832E-01

3.3780E-01

-1.4479E-01

4.2428E-02

-7.9404E-03

8.5188E-04

-3.9828E-05

S8

-4.3055E-01

5.0985E-01

-4.4297E-01

2.7439E-01

-1.1758E-01

3.3568E-02

-6.0147E-03

6.0721E-04

-2.6264E-05

Table 20

Table 21

Figure 14 A show chromatic curve on the axle of the optical imaging lens of embodiment 7, and it represents the light warp of different wave length Deviateed by the converging focal point after camera lens.Figure 14 B show the astigmatism curve of the optical imaging lens of embodiment 7, and it represents meridian Curvature of the image and sagittal image surface bending.Figure 14 C show the distortion curve of the optical imaging lens of embodiment 7, and it represents different Distortion sizes values in the case of visual angle.Figure 14 D show the ratio chromatism, curve of the optical imaging lens of embodiment 7, and it is represented Light via the different image heights after camera lens on imaging surface deviation.Understood according to Figure 14 A to Figure 14 D, given by embodiment 7 Optical imaging lens can realize good image quality.

Embodiment 8

The optical imaging lens according to the embodiment of the present application 8 are described referring to Figure 15 to Figure 16 D.Figure 15 shows root According to the structural representation 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 thing side to sequentially including the first lens E1 into image side, it is second saturating Mirror E2, the 3rd lens E3, the 4th lens E4 and imaging surface S11.Optical imaging lens may also include the sense for being arranged at imaging surface S11 Optical element.

Table 22 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 8 And circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 23 is shown available for each in embodiment 8 The high order term coefficient of aspherical mirror, wherein, the formula (1) that each aspherical face type can be provided in above-described embodiment 1 is limited.Table 24 show total effective focal length f, the optical imaging lens of the effective focal length f1 to f4 of each lens in embodiment 8, optical imaging lens The half ImgH of effective pixel area diagonal line length on the optics total length TTL and optical imaging lens imaging surface S11 of head.

Table 22

Face number

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

-2.2117E-01

2.8161E+00

-3.0222E+01

1.8924E+02

-7.4284E+02

1.8309E+03

-2.7546E+03

2.3096E+03

-8.2845E+02

S2

-2.8997E-02

-5.5539E-01

8.5314E+00

-8.2784E+01

4.5874E+02

-1.5433E+03

3.0982E+03

-3.4249E+03

1.6058E+03

S3

-4.7615E-01

3.2745E+00

-5.0967E+01

4.1508E+02

-2.0587E+03

6.1485E+03

-1.0522E+04

8.9972E+03

-2.5465E+03

S4

-3.0068E-01

1.5712E+00

-1.2725E+01

5.9442E+01

-1.8192E+02

3.5391E+02

-4.0749E+02

2.4335E+02

-5.2686E+01

S5

-5.2724E-01

2.9205E+00

-1.5236E+01

5.9720E+01

-1.5682E+02

2.6179E+02

-2.5853E+02

1.3157E+02

-2.4786E+01

S6

-7.4510E-01

2.6846E+00

-9.9135E+00

3.0319E+01

-6.6150E+01

9.7773E+01

-8.9448E+01

4.4691E+01

-9.2548E+00

S7

-9.4948E-01

1.2973E+00

-1.2228E+00

8.4944E-01

-4.0523E-01

1.2599E-01

-2.4212E-02

2.5985E-03

-1.1868E-04

S8

-5.3545E-01

7.4703E-01

-7.4502E-01

5.1285E-01

-2.3919E-01

7.3324E-02

-1.4029E-02

1.5137E-03

-7.0379E-05

Table 23

Table 24

Figure 16 A show chromatic curve on the axle of the optical imaging lens of embodiment 8, and it represents the light warp of different wave length Deviateed by the converging focal point after camera lens.Figure 16 B show the astigmatism curve of the optical imaging lens of embodiment 8, and it represents meridian Curvature of the image and sagittal image surface bending.Figure 16 C show the distortion curve of the optical imaging lens of embodiment 8, and it represents different Distortion sizes values in the case of visual angle.Figure 16 D show the ratio chromatism, curve of the optical imaging lens of embodiment 8, and it is represented Light via the different image heights after camera lens on imaging surface deviation.Understood according to Figure 16 A to Figure 16 D, given by embodiment 8 Optical imaging lens can realize good image quality.

Embodiment 9

The optical imaging lens according to the embodiment of the present application 9 are described referring to Figure 17 to Figure 18 D.Figure 17 shows root According to the structural representation 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 thing side to sequentially including the first lens E1 into image side, it is second saturating Mirror E2, the 3rd lens E3, the 4th lens E4 and imaging surface S11.Optical imaging lens may also include the sense for being arranged at imaging surface S11 Optical element.

Table 25 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 9 And circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 26 is shown available for each in embodiment 9 The high order term coefficient of aspherical mirror, wherein, the formula (1) that each aspherical face type can be provided in above-described embodiment 1 is limited.Table 27 show total effective focal length f, the optical imaging lens of the effective focal length f1 to f4 of each lens in embodiment 9, optical imaging lens The half ImgH of effective pixel area diagonal line length on the optics total length TTL and optical imaging lens imaging surface S11 of head.

Table 25

Table 26

Table 27

Figure 18 A show chromatic curve on the axle of the optical imaging lens of embodiment 9, and it represents the light warp of different wave length Deviateed by the converging focal point after camera lens.Figure 18 B show the astigmatism curve of the optical imaging lens of embodiment 9, and it represents meridian Curvature of the image and sagittal image surface bending.Figure 18 C show the distortion curve of the optical imaging lens of embodiment 9, and it represents different Distortion sizes values in the case of visual angle.Figure 18 D show the ratio chromatism, curve of the optical imaging lens of embodiment 9, and it is represented Light via the different image heights after camera lens on imaging surface deviation.Understood according to Figure 18 A to Figure 18 D, given by embodiment 9 Optical imaging lens can realize good image quality.

Embodiment 10

The optical imaging lens according to the embodiment of the present application 10 are described referring to Figure 19 to Figure 20 D.Figure 19 is shown According to the structural representation 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 thing side to sequentially including the first lens E1 into image side, it is second saturating Mirror E2, the 3rd lens E3, the 4th lens E4 and imaging surface S11.Optical imaging lens may also include the sense for being arranged at imaging surface S11 Optical element.

Table 28 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 10 And circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 29 is shown available for each in embodiment 10 The high order term coefficient of aspherical mirror, wherein, the formula (1) that each aspherical face type can be provided in above-described embodiment 1 is limited.Table 30 show total effective focal length f, the optical imaging lens of the effective focal length f1 to f4 of each lens in embodiment 10, optical imaging lens The half ImgH of effective pixel area diagonal line length on the optics total length TTL and optical imaging lens imaging surface S11 of head.

Table 28

Table 29

Table 30

Figure 20 A show chromatic curve on the axle of the optical imaging lens of embodiment 10, and it represents the light of different wave length Deviate via the converging focal point after camera lens.Figure 20 B show the astigmatism curve of the optical imaging lens of embodiment 10, and it represents son Noon curvature of the image and sagittal image surface bending.Figure 20 C show the distortion curve of the optical imaging lens of embodiment 10, and it is represented not With the distortion sizes values in the case of visual angle.Figure 20 D show the ratio chromatism, curve of the optical imaging lens of embodiment 10, its table Show deviation of the light via the different image heights after camera lens on imaging surface.Understood according to Figure 20 A to Figure 20 D, the institute of embodiment 10 The optical imaging lens provided can realize good image quality.

Embodiment 11

The optical imaging lens according to the embodiment of the present application 11 are described referring to Figure 21 to Figure 22 D.Figure 21 is shown According to the structural representation of the optical imaging lens of the embodiment of the present application 11.

As shown in figure 21, optical imaging lens along optical axis by thing side to sequentially including the first lens E1 into image side, it is second saturating Mirror E2, the 3rd lens E3, the 4th lens E4 and imaging surface S11.Optical imaging lens may also include the sense for being arranged at imaging surface S11 Optical element.

Table 31 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 11 And circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 32 is shown available for each in embodiment 11 The high order term coefficient of aspherical mirror, wherein, the formula (1) that each aspherical face type can be provided in above-described embodiment 1 is limited.Table 33 show total effective focal length f, the optical imaging lens of the effective focal length f1 to f4 of each lens in embodiment 11, optical imaging lens The half ImgH of effective pixel area diagonal line length on the optics total length TTL and optical imaging lens imaging surface S11 of head.

Table 31

Table 32

Table 33

Figure 22 A show chromatic curve on the axle of the optical imaging lens of embodiment 11, and it represents the light of different wave length Deviate via the converging focal point after camera lens.Figure 22 B show the astigmatism curve of the optical imaging lens of embodiment 11, and it represents son Noon curvature of the image and sagittal image surface bending.Figure 22 C show the distortion curve of the optical imaging lens of embodiment 11, and it is represented not With the distortion sizes values in the case of visual angle.Figure 22 D show the ratio chromatism, curve of the optical imaging lens of embodiment 11, its table Show deviation of the light via the different image heights after camera lens on imaging surface.Understood according to Figure 22 A to Figure 22 D, the institute of embodiment 11 The optical imaging lens provided can realize good image quality.

To sum up, embodiment 1 to embodiment 11 meets the relation shown in table 3 below 4 respectively.

Conditional embodiment	1	2	3	4	5	6	7	8	9	10	11
												TTL/ImgH	1.44	1.44	1.44	1.44	1.44	1.44	1.44	1.44	1.53	1.44	1.44
f4/f	-2.04	-2.01	-2.02	-2.33	-2.24	-2.26	-4.42	-2.03	-2.03	-2.03	-2.03
												f1/f	1.13	1.14	1.15	1.13	1.10	1.13	1.27	1.15	1.15	1.15	1.16
f2/f	-2.70	-3.31	-3.39	-2.41	-2.07	-2.45	-3.78	-3.56	-3.60	-3.68	-3.71
												CT1(mm)	0.57	0.60	0.58	0.50	0.50	0.49	0.47	0.63	0.63	0.63	0.62
T34(mm)	0.35	0.39	0.38	0.35	0.31	0.35	0.38	0.37	0.37	0.37	0.37
												R4/f2	-2.71	-1.32	-1.20	-2.29	-3.90	-1.65	-0.30	-1.13	-0.99	-0.86	-0.80
f3/f	1.34	1.43	1.43	1.36	1.28	1.36	1.71	1.48	1.48	1.48	1.48
												\|R3/f2\|	0.89	1.35	1.51	0.94	0.81	1.12	0.55	1.62	2.06	3.03	4.01
(R1+R2)/(R1-R2)	-2.27	-2.18	-2.23	-2.23	-2.21	-2.23	-2.60	-2.17	-2.18	-2.20	-2.21
												CT4/f4	-0.07	-0.07	-0.07	-0.06	-0.06	-0.06	-0.04	-0.07	-0.07	-0.07	-0.07

Table 34

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

Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art Member should be appreciated that invention scope involved in the application, however it is not limited to the technology of the particular combination of above-mentioned technical characteristic Scheme, while should also cover in the case where not departing from the inventive concept, is carried out by above-mentioned technical characteristic or its equivalent feature Other technical schemes formed by any combination.Such as features described above has similar work(with (but not limited to) disclosed herein The technical characteristic of energy carries out technical scheme formed by replacement mutually.

Claims

1. optical imaging lens, are sequentially included along optical axis by thing side to image side：First lens, the second lens, the 3rd lens and Four lens, it is characterised in that

First lens have positive light coke, and its thing side is convex surface, and image side surface is concave surface；

Second lens have negative power；

3rd lens have positive light coke, and its image side surface is convex surface；

4th lens have negative power, and its thing side is convex surface, and image side surface is concave surface, effective Jiao of the 4th lens Total effective focal length f away from f4 and the optical imaging lens meets f4/f ＜ -2.

2. optical imaging lens according to claim 1, it is characterised in that the thing side of first lens to the light Study on the axle as lens imaging face apart from TTL and effective pixel area diagonal line length on the optical imaging lens imaging surface Half ImgH meets TTL/ImgH≤1.6.

3. optical imaging lens according to claim 1, it is characterised in that the effective focal length f1 of first lens and institute The total effective focal length f for stating optical imaging lens meets 1.0 ＜ f1/f ＜ 1.4.

4. optical imaging lens according to claim 1, it is characterised in that the effective focal length f2 of second lens and institute The total effective focal length f for stating optical imaging lens meets -4 ＜ f2/f ＜ -2.

5. optical imaging lens according to claim 1, it is characterised in that the effective focal length f3 of the 3rd lens and institute The total effective focal length f for stating optical imaging lens meets 1 ＜ f3/f ＜ 2.

6. optical imaging lens according to claim 1 or 2, it is characterised in that first lens are on the optical axis Center thickness CT1 meet 0.45mm ＜ CT1 ＜ 0.7mm.

7. optical imaging lens according to claim 1 or 2, it is characterised in that the 3rd lens and described 4th saturating Spacing distance T34 of the mirror on the optical axis meets 0.3mm ＜ T34 ＜ 0.4mm.

8. optical imaging lens according to claim 4, it is characterised in that the radius of curvature of the second lens image side surface R4 and second lens effective focal length f2 meet -4 ＜ R4/f2 ＜ -0.2.

9. the optical imaging lens according to claim 4 or 8, it is characterised in that the curvature of the second lens thing side Radius R3 and second lens effective focal length f2 are met | R3/f2 | ＜ 5.

10. optical imaging lens according to claim 1, it is characterised in that the curvature of the first lens thing side half Footpath R1 and the first lens image side surface radius of curvature R 2 meet -3 ＜ (R1+R2)/(R1-R2) ＜ -2.

11. optical imaging lens according to claim 1, it is characterised in that the 4th lens are on the optical axis Center thickness CT4 and the 4th lens effective focal length f4 meet -0.1 ＜ CT4/f4 ＜ 0.

12. optical imaging lens, are sequentially included along optical axis by thing side to image side：The first lens, the second lens with focal power, 3rd lens and the 4th lens, it is characterised in that

The thing side of first lens is convex surface, and image side surface is concave surface；

At least one in the thing side of second lens and image side surface is concave surface；

The image side surface of 3rd lens is convex surface；

The thing side of 4th lens is convex surface, and image side surface is concave surface；

The spacing distance of 3rd lens and the 4th lens on the optical axis is T34, and it meets 0.3mm ＜ T34 ＜ 0.4mm。