CN205353448U - Shooting lens - Google Patents

Abstract

The utility model discloses a shooting lens, it is included by thing side to picture side in proper order: the first lens that have positive refracting power, have the second lens of negative refracting power, the thing side of second lens is the convex surface, and the picture side of second lens is the concave surface, the third lens that have positive refracting power, have the fourth lens of refracting power, the thing side of fourth lens is the concave surface, and the picture side of fourth lens is the convex surface, have the 5th lens of refracting power, the thing side of the 5th lens is the convex surface, and the picture side of the 5th lens is the convex surface, the VI lenses who has negative refracting power, the lens sum that has the refracting power among the shooting lens is six, shooting lens satisfies: | ff3|+|ff6|< 1.0 TTLImgH< 1.46 F3 is the effective focal length of third lens, F6 is VI lenses's effective focal length, F is shooting lens's effective focal length, and TTL is the epaxial distance of thing side to the imaging surface of first lens, imgH is diagonal angle line length half the of effective pixel region on the imaging surface. Above -mentioned shooting lens can improve the formation of image quality and maintain the miniaturization.

Description

Pick-up lens

Technical field

This utility model relates to a kind of camera technique field, particularly relates to a kind of pick-up lens.

Background technology

In recent years, along with the development of the chip technologies such as CCD or CMOS so that pick-up lens develops toward high pixel and miniaturization field gradually, in order to meet this trend, for being applied to the pick-up lens also further requirement miniaturization on portable type electronic product, high imaging performance.

The pick-up lens of current main flow is generally made up of five lens, has been difficult to meet higher pixel and higher-quality parsing requirement, therefore certainly will increase lens numbers.But, the increase of lens numbers is unfavorable for again miniaturization and the lightweight of camera lens.

Utility model content

This utility model embodiment is intended at least solve one of technical problem of existence in prior art.For this, this utility model embodiment needs to provide a kind of pick-up lens.

A kind of pick-up lens, is included to image side successively by thing side:

There are the first lens of positive refracting power；

Having the second lens of negative refracting power, the thing side of these the second lens is convex surface, and the image side surface of these the second lens is concave surface；

There are the 3rd lens of positive refracting power；

Having the 4th lens of refracting power, the thing side of the 4th lens is concave surface, and the image side surface of the 4th lens is convex surface；

Having the 5th lens of refracting power, the thing side of the 5th lens is convex surface, and the image side surface of the 5th lens is convex surface；

There are the 6th lens of negative refracting power；

The lens in this pick-up lens with refracting power add up to six；

This pick-up lens meets following relationship: | f/f3 |+| f/f6 | < 1.0；TTL/ImgH < 1.46；

Wherein, f3 is the effective focal length of the 3rd lens；F6 is the effective focal length of the 6th lens；F is the effective focal length of this pick-up lens；TTL is that the thing side of these the first lens is to distance on the axle of imaging surface；ImgH is the half of the diagonal line length of effective pixel area on this imaging surface.

Meeting the pick-up lens of above-mentioned configuration, be conducive to improving spherical aberration, coma, improve image quality, meanwhile, its configuration closely, can effectively be reduced the volume of pick-up lens and shorten the total length of pick-up lens, maintaining miniaturization.

In one embodiment, this pick-up lens meets following relationship: 1.0 < CT3/CT4 < 1.6；

Wherein, CT3 is the 3rd lens center thicknesses on optical axis；CT4 is the 4th lens center thicknesses on this optical axis.

In one embodiment, this pick-up lens meets following relationship :-2.1 < f6/f <-1.5.

In one embodiment, this pick-up lens meets following relationship: f/EPD < 2.1；

Wherein, EPD is the diameter of entrance pupil.

In one embodiment, the image side surface of the 6th lens is concave surface, and this pick-up lens meets following relationship :-0.5 < R12/R10 < 0；

Wherein, R12 is the radius of curvature of the image side surface of the 6th lens；R10 is the radius of curvature of the image side surface of the 5th lens.

In one embodiment, this pick-up lens meets following relationship: 0.8 < ImgH/f < 1.0；

In one embodiment, this pick-up lens meets following relationship: 0.5 < CT5/CT6 < 1.4；

Wherein, CT5 is the 5th lens center thicknesses on optical axis；CT6 is the 6th lens center thicknesses on this optical axis.

In one embodiment, this pick-up lens meets following relationship :-1 < f12/f6 <-0.5；

Wherein, f12 is the combined focal length of these first lens and these the second lens.

In one embodiment, this pick-up lens meets following relationship: 0.8 < DT11/DT32 < 1.2；

Wherein, DT11 is the effective radius of the thing side of these the first lens；DT32 is the effective radius of the image side surface of the 3rd lens.

In one embodiment, this pick-up lens meets following relationship: 0.35 < DT11/DT62 < 0.5；

Wherein, DT11 is the effective radius of the thing side of these the first lens；DT62 is the effective radius of the image side surface of the 6th lens.

The additional aspect of this utility model embodiment and advantage will part provide in the following description, and part will become apparent from the description below, or is recognized by the practice of this utility model embodiment.

Accompanying drawing explanation

Above-mentioned and/or the additional aspect of this utility model embodiment and advantage are from conjunction with will be apparent from easy to understand the accompanying drawings below description to embodiment, wherein:

Fig. 1 is the structural representation of the pick-up lens of embodiment 1；

Fig. 2 is chromaticity difference diagram (mm) on the axle of the pick-up lens of embodiment 1；Fig. 3 is the astigmatism figure (mm) of the pick-up lens of embodiment 1；Fig. 4 is the distortion figure (%) of the pick-up lens of embodiment 1；Fig. 5 is the ratio chromatism, figure (um) of the pick-up lens of embodiment 1；

Fig. 6 is the structural representation of the pick-up lens of embodiment 2；

Fig. 7 is chromaticity difference diagram (mm) on the axle of the pick-up lens of embodiment 2；Fig. 8 is the astigmatism figure (mm) of the pick-up lens of embodiment 2；Fig. 9 is the distortion figure (%) of the pick-up lens of embodiment 2；Figure 10 is the ratio chromatism, figure (um) of the pick-up lens of embodiment 2；

Figure 11 is the structural representation of the pick-up lens of embodiment 3；

Figure 12 is chromaticity difference diagram (mm) on the axle of the pick-up lens of embodiment 3；Figure 13 is the astigmatism figure (mm) of the pick-up lens of embodiment 3；Figure 14 is the distortion figure (%) of the pick-up lens of embodiment 3；Figure 15 is the ratio chromatism, figure (um) of the pick-up lens of embodiment 3；

Figure 16 is the structural representation of the pick-up lens of embodiment 4；

Figure 17 is chromaticity difference diagram (mm) on the axle of the pick-up lens of embodiment 4；Figure 18 is the astigmatism figure (mm) of the pick-up lens of embodiment 4；Figure 19 is the distortion figure (%) of the pick-up lens of embodiment 4；Figure 20 is the ratio chromatism, figure (um) of the pick-up lens of embodiment 4；

Figure 21 is the structural representation of the pick-up lens of embodiment 5；

Figure 22 is chromaticity difference diagram (mm) on the axle of the pick-up lens of embodiment 5；Figure 23 is the astigmatism figure (mm) of the pick-up lens of embodiment 5；Figure 24 is the distortion figure (%) of the pick-up lens of embodiment 5；Figure 25 is the ratio chromatism, figure (um) of the pick-up lens of embodiment 5；

Figure 26 is the structural representation of the pick-up lens of embodiment 6；

Figure 27 is chromaticity difference diagram (mm) on the axle of the pick-up lens of embodiment 6；Figure 28 is the astigmatism figure (mm) of the pick-up lens of embodiment 6；Figure 29 is the distortion figure (%) of the pick-up lens of embodiment 6；Figure 30 is the ratio chromatism, figure (um) of the pick-up lens of embodiment 6.

Figure 31 is the structural representation of the pick-up lens of embodiment 7；

Figure 32 is chromaticity difference diagram (mm) on the axle of the pick-up lens of embodiment 7；Figure 33 is the astigmatism figure (mm) of the pick-up lens of embodiment 7；Figure 34 is the distortion figure (%) of the pick-up lens of embodiment 7；Figure 35 is the ratio chromatism, figure (um) of the pick-up lens of embodiment 7.

Detailed description of the invention

Being described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of same or like function from start to finish.The embodiment described below with reference to accompanying drawing is illustrative of, and is only used for explaining this utility model, and it is not intended that to restriction of the present utility model.

In description of the present utility model, it is to be understood that term " first ", " second " only for descriptive purposes, and it is not intended that instruction or hint relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include one or more described features.In description of the present utility model, " multiple " are meant that two or more, unless otherwise expressly limited specifically.

In description of the present utility model, it is necessary to explanation, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or connect integratedly；Can be mechanically connected, it is also possible to be electrically connect or can intercom mutually；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be connection or the interaction relationship of two elements of two element internals.For the ordinary skill in the art, it is possible to understand above-mentioned term concrete meaning in this utility model as the case may be.

Following disclosure provides many different embodiments or example for realizing different structure of the present utility model.Of the present utility model open in order to simplify, hereinafter to the parts of specific examples and be set for describe.Certainly, they are only merely illustrative, and are not intended to restriction this utility model.Additionally, this utility model can in different examples repeat reference numerals and/or reference letter, this repetition is for purposes of simplicity and clarity, the relation between itself not indicating discussed various embodiment and/or setting.Additionally, the example of the various specific technique that provides of this utility model and material, but those of ordinary skill in the art are it can be appreciated that the use of the application of other techniques and/or other materials.

Refer to Fig. 1, a kind of pick-up lens of this utility model preferred embodiment, thing side include successively to image side:

There is the first lens L1 of positive refracting power；

Having the second lens L2 of negative refracting power, the thing side S3 of these second lens L2 is convex surface, and the image side surface S4 of these second lens L2 is concave surface；

There is the 3rd lens L3 of positive refracting power；

The thing side S7 with the 4th lens L4 of refracting power, the 4th lens L4 is concave surface, and the image side surface S8 of the 4th lens L4 is convex surface；

The thing side S9 with the 5th lens L5 of refracting power, the 5th lens L5 is convex surface, and the image side surface S10 of the 5th lens L5 is convex surface；

There is the 6th lens L6 of negative refracting power；

The lens in this pick-up lens with refracting power add up to six；

This pick-up lens meets following relationship: | f/f3 |+| f/f6 | < 1.0；TTL/ImgH < 1.46；

Wherein, f3 is the effective focal length of the 3rd lens L3；F6 is the effective focal length of the 6th lens L6；F is the effective focal length of this pick-up lens；TTL is distance on the axle of the thing side S1 to imaging surface S15 of these first lens L1；ImgH is the half of the diagonal line length of effective pixel area on this imaging surface S15.

Meeting the pick-up lens of above-mentioned configuration, be conducive to improving spherical aberration, coma, improve image quality, meanwhile, its configuration closely, can effectively be reduced the volume of pick-up lens and shorten the total length of pick-up lens, maintaining miniaturization.

It is preferred that this pick-up lens meets following relationship:

1.0 < CT3/CT4 < 1.6；

Wherein, CT3 is the 3rd lens L3 center thickness on optical axis；CT4 is the 4th lens L4 center thickness on optical axis.

The pick-up lens meeting above-mentioned configuration is conducive to the center thickness of reasonable disposition the 3rd lens and the 4th lens, it is easy to lens assemble, and reduces the sensitivity of camera lens.

It is preferred that this pick-up lens meets following relationship:

-2.1<f6/f<-1.5。

Meeting the pick-up lens of above-mentioned configuration can make the light angle of pick-up lens mild effectively, reduces tolerance sensitivities.

It is preferred that this pick-up lens meets following relationship:

F/EPD < 2.1；

Wherein, EPD is the diameter of entrance pupil.

Meet the pick-up lens of above-mentioned configuration to be beneficial to pick-up lens and also can obtain preferably image quality when more dim illumination shooting, be conducive to virtualization background, to highlight theme.

It is preferred that the image side surface S11 of the 6th lens L6 is concave surface, this pick-up lens meets following relationship:

-0.5 < R12/R10 < 0；

Wherein, R12 is the radius of curvature of the image side surface S12 of the 6th lens L6；R10 is the radius of curvature of the image side surface S10 of the 5th lens L5.

Meet the pick-up lens of above-mentioned configuration to be conducive to adjusting each visual field and be incident in the incident angle of photo-sensitive cell, be prevented effectively from total reflection.

It is preferred that this pick-up lens meets following relationship:

0.8 < ImgH/f < 1.0；

Wherein, ImgH is the half of the diagonal line length of effective pixel area on imaging surface S15.

The pick-up lens meeting above-mentioned configuration is conducive to improving the angle of visual field of pick-up lens, ensures the miniaturization of pick-up lens while meeting the big angle of visual field.

It is preferred that this pick-up lens meets following relationship:

0.5 < CT5/CT6 < 1.4；

Wherein, CT5 is the 5th lens L5 center thickness on optical axis；CT6 is the 6th lens L6 center thickness on optical axis.

The pick-up lens meeting above-mentioned configuration is conducive to the center thickness of reasonable disposition the 5th lens L5 and the six lens L6, is further ensured that the miniaturization of pick-up lens.

It is preferred that this pick-up lens meets following relationship:

-1 < f12/f6 <-0.5；

Wherein, f12 is the combined focal length of these first lens L1 and these second lens L2.

The pick-up lens meeting above-mentioned configuration is conducive to the focal power of reasonable distribution system, effective update the system spherical aberration, promotes image quality further.

It is preferred that this pick-up lens meets following relationship:

0.8 < DT11/DT32 < 1.2；

Wherein, DT11 is the effective radius of the thing side S1 of these first lens L1；DT32 is the effective radius of the image side surface S6 of the 3rd lens L3.

The pick-up lens meeting above-mentioned configuration is conducive to the size of configuration pick-up lens front end, effectively controls the size of pick-up lens front end.

It is preferred that this pick-up lens meets following relationship:

0.35 < DT11/DT62 < 0.5；

Wherein, DT11 is the effective radius of the thing side S1 of these first lens L1；DT62 is the effective radius of the image side surface S12 of the 6th lens L6.

The pick-up lens meeting above-mentioned configuration is conducive to the angle of visual field of configuration pick-up lens rear end, enables the light entered through pick-up lens to be imaged on more on imaging surface S15.

During imaging, light images in imaging surface S15 after six-element lens after having the optical filter L7 of thing side surface S13 and surface, image side S14.

In certain embodiments, the first lens L1, the second lens L2, the 3rd lens L3, the 4th lens L4, the 5th lens L5 and the 6th lens L6 are non-spherical lens.

Aspheric shape is determined by below equation:

$x=\frac{{\mathrm{ch}}^2}{1+\sqrt{1-(k+1)c^2{h}^2}}+{\mathrm{\&Sigma;Aih}}^i$

Wherein, h is that in aspheric surface, arbitrary point is to the height of optical axis, and c is vertex curvature, and k is conic constants, and Ai is the correction factor on aspheric surface the i-th-th rank.

Embodiment 1:

Incorporated by reference to Fig. 1～Fig. 5, in embodiment 1, pick-up lens meets the condition of table 1 below, table 2 and table 3:

Table 1

Face number	Surface type	Radius of curvature	Thickness	Refractive index/Abbe number	Circular cone coefficient
						OBJ	Sphere	Infinite	Infinite	--	--
STO	Sphere	Infinite	-0.2920	--	--
						S1	Aspheric surface	1.3021	0.5115	1.544/56.11	-0.8486
S2	Aspheric surface	4.4009	0.0614	--	0.3178
						S3	Aspheric surface	3.2359	0.2106	1.651/21.52	-0.3361
S4	Aspheric surface	2.0787	0.2473	--	0.2989
						S5	Aspheric surface	14.5996	0.3964	1.535/55.80	-0.9990
S6	Aspheric surface	-7.8561	0.2996	--	-1.0001
						S7	Sphere	-1.5506	0.3000	1.651/21.52	--
S8	Aspheric surface	-1.6130	0.1000	--	-1.6410
						S9	Aspheric surface	7193.0239	0.4356	1.535/55.80	14.5392
S10	Aspheric surface	-18748.3936	0.2159	--	0.2986
						S11	Aspheric surface	2.2799	0.4840	1.535/55.80	-0.8548
S12	Aspheric surface	1.2688	0.6112	--	-1.0017
						S13	Sphere	Infinite	0.2100	1.517/64.17	--
S14	Sphere	Infinite	0.1965	--	--
						S15	Sphere	Infinite	--	--	--

Table 2

Following table is aspheric surface high-order term coefficient A4, A6, A8, A10, A12, A14, A16 of non-spherical lens:

Face number

A4

A6

A8

A10

A12

A14

A16

S1

3.4250E-02

1.4834E-01

-5.6016E-01

1.5486E+00

-2.5668E+00

2.3559E+00

-9.5992E-01

S2

-3.3186E-01

6.4105E-01

-2.0640E-01

-1.5052E+00

2.8125E+00

-2.1104E+00

5.3960E-01

S3

-5.8754E-01

1.7729E+00

-3.8744E+00

7.8446E+00

-1.2598E+01

1.2144E+01

-4.9054E+00

S4

-3.2201E-01

1.0568E+00

-2.1018E+00

3.7494E+00

-4.2912E+00

1.4953E+00

1.4870E+00

S5

-1.0188E-01

-8.4824E-01

5.3322E+00

-1.9819E+01

4.2230E+01

-4.9349E+01

2.4620E+01

S6

-1.3336E-01

-8.6812E-02

5.2971E-01

-2.5723E+00

5.6198E+00

-6.1597E+00

2.7787E+00

S8

1.4710E-01

-7.0125E-01

1.4961E+00

-1.8699E+00

1.4794E+00

-6.5771E-01

1.2194E-01

S9

3.2880E-01

-1.1231E+00

1.7141E+00

-1.7047E+00

1.0405E+00

-3.7234E-01

6.0816E-02

S10

1.3456E-01

-3.5961E-01

3.3318E-01

-1.8108E-01

5.1068E-02

-5.4825E-03

-4.1879E-05

S11

-3.7787E-01

1.0708E-01

1.7796E-02

-1.6122E-02

3.6729E-03

-3.7327E-04

1.4376E-05

S12

-4.0662E-01

2.4987E-01

-1.2331E-01

4.1448E-02

-8.5508E-03

9.6034E-04

-4.4453E-05

Table 3

Embodiment 2:

Incorporated by reference to Fig. 6～Figure 10, in example 2, pick-up lens meets the condition of table 4 below, table 5 and table 6:

Table 4

Face number	Surface type	Radius of curvature	Thickness	Refractive index/Abbe number	Circular cone coefficient
						OBJ	Sphere	Infinite	Infinite	--	--
STO	Sphere	Infinite	-0.3353	--	--
						S1	Aspheric surface	1.4123	0.6105	1.544/56.11	-0.8997
S2	Aspheric surface	3.9920	0.0440	--	-7.7479
						S3	Aspheric surface	5.0949	0.2481	1.651/21.52	-1.1097
S4	Aspheric surface	3.2053	0.2818	--	2.6346
						S5	Aspheric surface	10.2559	0.3565	1.544/56.11	4.1708
S6	Aspheric surface	-28.3342	0.3757	--	-96.4572
						S7	Aspheric surface	-1.8156	0.3000	1.651/21.52	0.3611
S8	Aspheric surface	-2.1878	0.0826	--	0.5552
						S9	Aspheric surface	6.8993	0.3764	1.535/55.80	13.5223
S10	Aspheric surface	-11430.5083	0.3253	--	-99.0000
						S11	Aspheric surface	3.1864	0.5881	1.535/55.80	-0.8281
S12	Aspheric surface	1.5123	0.5848	--	-0.9816
						S13	Sphere	Infinite	0.2100	1.517/64.17	--
S14	Sphere	Infinite	0.2462	--	--
						S15	Sphere	Infinite	--	--	--

Table 5

Following table is aspheric surface high-order term coefficient A4, A6, A8, A10, A12, A14, A16 of non-spherical lens:

Face number

A4

A6

A8

A10

A12

A14

A16

S1

4.2203E-02

1.0848E-04

4.8889E-02

-1.0945E-01

9.9647E-02

-2.3302E-02

-3.1225E-02

S2

-2.4964E-01

-8.6055E-02

1.7946E+00

-4.2562E+00

4.8449E+00

-2.8840E+00

7.1662E-01

S3

-3.8075E-01

4.4123E-01

8.2156E-01

-2.9723E+00

3.8263E+00

-2.3886E+00

6.2284E-01

S4

-1.8659E-01

3.9275E-01

3.2835E-01

-2.8724E+00

6.4343E+00

-6.7982E+00

2.9717E+00

S5

-1.4686E-01

-2.1070E-01

1.2471E+00

-4.4210E+00

8.4831E+00

-8.6723E+00

3.7349E+00

S6

-6.2702E-02

-4.0870E-01

1.9945E+00

-5.6007E+00

8.4769E+00

-6.6680E+00

2.1619E+00

S7

-1.1001E-01

2.4252E-01

5.9004E-01

-3.2210E+00

5.2563E+00

-3.9106E+00

1.1153E+00

S8

-1.5563E-01

6.3162E-01

-1.2998E+00

1.5124E+00

-9.8906E-01

3.4243E-01

-4.8707E-02

S9

1.7902E-01

-2.7953E-01

1.2563E-01

-6.3353E-03

-2.1564E-02

9.0280E-03

-1.1164E-03

S10

2.4497E-01

-3.1694E-01

1.9375E-01

-7.6974E-02

1.8787E-02

-2.4763E-03

1.3404E-04

S11

-1.9862E-01

2.8221E-02

1.2248E-02

-5.0222E-03

7.5309E-04

-5.0903E-05

1.1673E-06

S12

-2.5658E-01

1.2613E-01

-5.4701E-02

1.6175E-02

-2.8603E-03

2.6935E-04

-1.0308E-05

Table 6

Embodiment 3:

Incorporated by reference to Figure 11～Figure 15, in embodiment 3, pick-up lens meets the condition of table 7 below, table 8 and table 9:

Table 7

Face number	Surface type	Radius of curvature	Thickness	Refractive index/Abbe number	Circular cone coefficient
						OBJ	Sphere	Infinite	Infinite	--	--
STO	Sphere	Infinite	-0.3400	--	--
						S1	Aspheric surface	1.4931	0.5409	1.544/56.11	-0.7451
S2	Aspheric surface	4.0324	0.0670	--	-2.1710
						S3	Aspheric surface	3.7077	0.2450	1.651/21.52	-2.3129
S4	Aspheric surface	2.8470	0.2879	--	1.8927
						S5	Aspheric surface	Infinite	0.4779	1.535/55.80	-0.9990
S6	Aspheric surface	-6.7810	0.2975	--	-0.9885
						S7	Sphere	-1.9635	0.3194	1.651/21.52	--
S8	Aspheric surface	-1.8160	0.1028	--	-1.6148
						S9	Aspheric surface	95.3981	0.3423	1.535/55.80	14.5392
S10	Aspheric surface	-100000.0000	0.2156	--	0.2986
						S11	Aspheric surface	2.7131	0.6552	1.535/55.80	-0.7880
S12	Aspheric surface	1.4422	0.6666	--	-1.0118
						S13	Sphere	Infinite	0.2100	1.517/64.17	--
S14	Sphere	Infinite	0.1814	--	--
						S15	Sphere	Infinite	--	--	--

Table 8

Following table is aspheric surface high-order term coefficient A4, A6, A8, A10, A12, A14, A16 of non-spherical lens:

Face number

A4

A6

A8

A10

A12

A14

A16

S1

2.2951E-02

8.2855E-02

-3.1270E-01

8.1101E-01

-1.1560E+00

8.6841E-01

-2.7210E-01

S2

-1.7347E-01

1.0049E-01

5.1497E-01

-1.7521E+00

2.6765E+00

-2.1128E+00

6.6494E-01

S3

-2.3676E-01

1.2513E-01

7.7977E-01

-2.3042E+00

3.2030E+00

-2.3792E+00

7.4085E-01

S4

-1.0586E-01

5.7835E-02

4.9044E-01

-1.3094E+00

1.8403E+00

-1.4925E+00

6.0254E-01

S5

-9.8775E-02

5.6216E-02

-4.5563E-01

1.2364E+00

-1.7122E+00

1.0143E+00

-8.6461E-02

S6

-5.9767E-02

-1.3632E-01

4.4899E-01

-1.1229E+00

1.5151E+00

-1.0731E+00

3.2692E-01

S8

5.3088E-02

-2.3106E-01

3.3497E-01

-2.2482E-01

9.0808E-02

-2.2691E-02

2.6098E-03

S9

2.7603E-01

-6.3657E-01

6.4361E-01

-3.9948E-01

1.4616E-01

-3.0054E-02

2.8176E-03

S10

2.1840E-01

-3.9561E-01

3.0791E-01

-1.4279E-01

3.7962E-02

-5.2041E-03

2.7761E-04

S11

-2.1583E-01

4.0407E-02

9.8793E-03

-5.3537E-03

9.3253E-04

-7.5451E-05

2.3862E-06

S12

-2.4248E-01

1.1106E-01

-3.9094E-02

9.1750E-03

-1.3307E-03

1.0623E-04

-3.5197E-06

Table 9

f1(mm)	4.04	f(mm)	3.75
				f2(mm)	-21.06	Fno	1.96
f3(mm)	12.63	TTL(mm)	4.61
				f4(mm)	19.82
f5(mm)	177.56
				f6(mm)	-7.0

Embodiment 4:

Incorporated by reference to Figure 16～Figure 20, in example 4, pick-up lens meets the condition of table 10 below, table 11 and table 12:

Table 10

Face number	Surface type	Radius of curvature	Thickness	Refractive index/Abbe number	Circular cone coefficient
						OBJ	Sphere	Infinite	Infinite	--	--
STO	Sphere	Infinite	-0.3400	--	--
						S1	Aspheric surface	1.4822	0.5447	1.544/56.11	-0.7680
S2	Aspheric surface	3.8180	0.0589	--	-3.1407
						S3	Aspheric surface	3.1806	0.2450	1.651/21.52	-1.8125
S4	Aspheric surface	2.5337	0.3205	--	2.6849
						S5	Aspheric surface	Infinite	0.4479	1.535/55.80	-0.9990
S6	Aspheric surface	-6.5948	0.3125	--	-0.9885
						S7	Sphere	-2.0045	0.3000	1.651/21.52	--
S8	Aspheric surface	-1.9365	0.0843	--	-1.5763
						S9	Aspheric surface	80.1659	0.3714	1.535/55.80	14.5392
S10	Aspheric surface	-100000.0000	0.1764	--	0.2986
						S11	Aspheric surface	2.6295	0.7031	1.535/55.80	-0.7574
S12	Aspheric surface	1.4691	0.6599	--	-1.0042
						S13	Sphere	Infinite	0.2100	1.517/64.17	--
S14	Sphere	Infinite	0.1748	--	--
						S15	Sphere	Infinite	--	--	--

Table 11

Following table is aspheric surface high-order term coefficient A4, A6, A8, A10, A12, A14, A16 of non-spherical lens:

Table 12

f1(mm)	4.10	f(mm)	3.76
				f2(mm)	-22.33	Fno	1.96
f3(mm)	12.29	TTL(mm)	4.61
				f4(mm)	31.64
f5(mm)	149.23
				f6(mm)	-7.87

Embodiment 5:

Incorporated by reference to Figure 21～Figure 25, in embodiment 5, pick-up lens meets the condition of table 13 below, table 14 and table 15:

Table 13

Face number	Surface type	Radius of curvature	Thickness	Refractive index/Abbe number	Circular cone coefficient
						OBJ	Sphere	Infinite	Infinite	--	--
STO	Sphere	Infinite	-0.2920	--	--
						S1	Aspheric surface	1.5527	0.5756	1.544/56.11	-1.0062
S2	Aspheric surface	4.5314	0.0668	--	-3.3353
						S3	Aspheric surface	2.9058	0.2250	1.651/21.52	-0.4395
S4	Aspheric surface	2.1234	0.2999	--	0.4524
						S5	Aspheric surface	8.5458	0.4224	1.535/55.80	-0.9990
S6	Aspheric surface	-17.5072	0.2491	--	-1.0001
						S7	Aspheric surface	-2.5126	0.3000	1.651/21.52	-1.3193
S8	Aspheric surface	-2.9530	0.1352	--	-1.6211
						S9	Aspheric surface	12.0546	0.3758	1.535/55.80	14.5392
S10	Aspheric surface	-589.4029	0.3106	--	0.2986
						S11	Aspheric surface	2.4460	0.6983	1.535/55.80	-0.9205
S12	Aspheric surface	1.4092	0.6254	--	-1.0267
						S13	Sphere	Infinite	0.2100	1.517/64.17	--
S14	Sphere	Infinite	0.2358	--	--
						S15	Sphere	Infinite	--	--	--

Table 14

Following table is aspheric surface high-order term coefficient A4, A6, A8, A10, A12, A14, A16 of non-spherical lens:

Table 15

f1(mm)	4.05	f(mm)	3.96
				f2(mm)	-13.56	Fno	1.96
f3(mm)	10.76	TTL(mm)	4.73
				f4(mm)	-35.17
f5(mm)	22.01
				f6(mm)	-8.10

Embodiment 6:

Incorporated by reference to Figure 26～Figure 30, in embodiment 6, pick-up lens meets the condition of table 16 below, table 17 and table 18:

Table 16

Face number	Surface type	Radius of curvature	Thickness	Refractive index/Abbe number	Circular cone coefficient
						OBJ	Sphere	Infinite	Infinite	--	--
STO	Sphere	Infinite	-0.2920	--	--
						S1	Aspheric surface	1.5345	0.5716	1.544/56.11	-1.0362
S2	Aspheric surface	4.4655	0.0601	--	-6.0966
						S3	Aspheric surface	3.1223	0.2250	1.651/21.52	-0.4078
S4	Aspheric surface	2.2442	0.2865	--	0.6635
						S5	Aspheric surface	7.7578	0.4492	1.535/55.80	-0.7829
S6	Aspheric surface	-25.1018	0.2061	--	-1.0001
						S7	Aspheric surface	-3.1544	0.3031	1.651/21.52	-0.1029
S8	Aspheric surface	-3.6262	0.1739	--	-0.6741
						S9	Aspheric surface	16.2360	0.3966	1.535/55.80	14.5392
S10	Aspheric surface	-589.4029	0.2676	--	0.2986
						S11	Aspheric surface	2.7403	0.7343	1.535/55.80	-0.8399
S12	Aspheric surface	1.5074	0.6101	--	-1.0287
						S13	Sphere	Infinite	0.2100	1.517/64.17	--
S14	Sphere	Infinite	0.2358	--	--
						S15	Sphere	Infinite	--	--	--

Table 17

Following table is aspheric surface high-order term coefficient A4, A6, A8, A10, A12, A14, A16 of non-spherical lens:

Table 18

f1(mm)	4.01	f(mm)	3.98
				f2(mm)	-13.53	Fno	1.96
f3(mm)	11.09	TTL(mm)	4.73
				f4(mm)	-49.56
f5(mm)	29.44
				f6(mm)	-7.88

Embodiment 7:

Incorporated by reference to Figure 31～Figure 35, in embodiment 7, pick-up lens meets the condition of table 19 below, table 20 and table 21:

Table 19

Face number	Surface type	Radius of curvature	Thickness	Refractive index/Abbe number	Circular cone coefficient
						OBJ	Sphere	Infinite	Infinite	--	--
STO	Sphere	Infinite	-0.2920	--	--
						S1	Aspheric surface	1.3008	0.5115	1.544/56.11	-0.8497
S2	Aspheric surface	4.2779	0.0614	--	0.2212
						S3	Aspheric surface	3.1289	0.2106	1.651/21.52	-0.2540
S4	Aspheric surface	2.0459	0.2473	--	0.3846
						S5	Aspheric surface	12.0160	0.3841	1.535/55.80	-0.9990
S6	Aspheric surface	-8.8996	0.2964	--	-1.0001
						S7	Sphere	-1.5708	0.3000	1.651/21.52	--
S8	Aspheric surface	-1.6561	0.1000	--	-1.6306
						S9	Aspheric surface	4774.7425	0.4345	1.535/55.80	14.5392
S10	Aspheric surface	-14891.8185	0.2200	--	0.2986
						S11	Aspheric surface	2.2453	0.4965	1.535/55.80	-0.8682
S12	Aspheric surface	1.2668	0.6112	--	-0.9979
						S13	Sphere	Infinite	0.2100	1.517/64.17	--
S14	Sphere	Infinite	0.1965	--	--
						S15	Sphere	Infinite	--	--	--

Table 20

Following table is aspheric surface high-order term coefficient A4, A6, A8, A10, A12, A14, A16 of non-spherical lens:

Table 21

f1(mm)	3.23	f(mm)	3.66
				f2(mm)	-9.76	Fno	2.06
f3(mm)	9.59	TTL(mm)	4.28
				f4(mm)	117.99
f5(mm)	6735.7
				f6(mm)	-6.58

In embodiment 1～7, each conditional meets the condition of table below:

Conditional embodiment	1	2	3	4	5	6	7
								|f/f3|+|f/f6|	0.950	0.947	0.832	0.784	0.857	0.863	0.937
TTL/ImgH	1.427	1.357	1.317	1.317	1.322	1.329	1.403
								CT3/CT4	1.321	1.188	1.496	1.493	1.408	1.482	1.280
f6/f	-1.757	-1.523	-1.866	-2.091	-2.046	-1.981	-1.800
								f/EPD	2.09	2.06	1.96	1.96	1.96	1.96	2.06
R12/R10	-1.22E-04	-1.32E-04	-1.44E-05	-1.47E-05	-2.39E-03	-2.56E-03	-8.51E-05
								ImgH/f	0.823	0.850	0.934	0.930	0.904	0.895	0.834
CT5/CT6	0.900	0.640	0.522	0.528	0.538	0.540	0.875
								f12/f6	-0.660	-0.748	-0.664	-0.591	-0.635	-0.646	-0.643
DT11/DT32	0.947	0.995	0.926	0.925	1.007	1.001	1.049
								DT11/DT62	0.368	0.383	0.372	0.382	0.386	0.385	0.415

In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means in conjunction with described embodiment or example describe are contained at least one embodiment of the present utility model or example.In this manual, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.

Additionally, term " first ", " second " are only for descriptive purposes, and it is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include at least one this feature.In description of the present utility model, " multiple " are meant that at least two, for instance two, three etc., unless otherwise expressly limited specifically.

Although above it has been shown and described that embodiment of the present utility model, it is understandable that, above-described embodiment is illustrative of, it is not intended that to restriction of the present utility model, above-described embodiment can be changed in scope of the present utility model, revises, replace and modification by those of ordinary skill in the art.

Claims (10)

1. a pick-up lens, it is characterised in that included successively to image side by thing side:

There are the first lens of positive refracting power；

Having the second lens of negative refracting power, the thing side of these the second lens is convex surface, and the image side surface of these the second lens is concave surface；

There are the 3rd lens of positive refracting power；

Having the 4th lens of refracting power, the thing side of the 4th lens is concave surface, and the image side surface of the 4th lens is convex surface；

Having the 5th lens of refracting power, the thing side of the 5th lens is convex surface, and the image side surface of the 5th lens is convex surface；

There are the 6th lens of negative refracting power；

The lens in this pick-up lens with refracting power add up to six；

This pick-up lens meets following relationship:

| f/f3 |+| f/f6 | < 1.0；

TTL/ImgH < 1.46；

Wherein, f3 is the effective focal length of the 3rd lens；F6 is the effective focal length of the 6th lens；F is the effective focal length of this pick-up lens；TTL is that the thing side of these the first lens is to distance on the axle of imaging surface；ImgH is the half of the diagonal line length of effective pixel area on this imaging surface.

2. pick-up lens as claimed in claim 1, it is characterised in that this pick-up lens meets following relationship:

1.0 < CT3/CT4 < 1.6；

Wherein, CT3 is the 3rd lens center thicknesses on optical axis；CT4 is the 4th lens center thicknesses on this optical axis.

3. pick-up lens as claimed in claim 1, it is characterised in that this pick-up lens meets following relationship:

-2.1<f6/f<-1.5。

4. pick-up lens as claimed in claim 1, it is characterised in that this pick-up lens meets following relationship:

F/EPD < 2.1；

Wherein, EPD is the diameter of entrance pupil.

5. pick-up lens as claimed in claim 1, it is characterised in that the image side surface of the 6th lens is concave surface, and this pick-up lens meets following relationship:

-0.5 < R12/R10 < 0；

Wherein, R12 is the radius of curvature of the image side surface of the 6th lens；R10 is the radius of curvature of the image side surface of the 5th lens.

6. pick-up lens as claimed in claim 1, it is characterised in that this pick-up lens meets following relationship:

0.8<ImgH/f<1.0。

7. pick-up lens as claimed in claim 1, it is characterised in that this pick-up lens meets following relationship:

0.5 < CT5/CT6 < 1.4；

Wherein, CT5 is the 5th lens center thicknesses on optical axis；CT6 is the 6th lens center thicknesses on this optical axis.

8. pick-up lens as claimed in claim 1, it is characterised in that this pick-up lens meets following relationship:

-1 < f12/f6 <-0.5；

Wherein, f12 is the combined focal length of these first lens and these the second lens.

9. pick-up lens as claimed in claim 1, it is characterised in that this pick-up lens meets following relationship:

0.8 < DT11/DT32 < 1.2；

Wherein, DT11 is the effective radius of the thing side of these the first lens；DT32 is the effective radius of the image side surface of the 3rd lens.

10. pick-up lens as claimed in claim 1, it is characterised in that this pick-up lens meets following relationship:

0.35 < DT11/DT62 < 0.5；

Wherein, DT11 is the effective radius of the thing side of these the first lens；DT62 is the effective radius of the image side surface of the 6th lens.