CN204790153U - Camera lens - Google Patents
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- CN204790153U CN204790153U CN201520523559.2U CN201520523559U CN204790153U CN 204790153 U CN204790153 U CN 204790153U CN 201520523559 U CN201520523559 U CN 201520523559U CN 204790153 U CN204790153 U CN 204790153U
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Abstract
The utility model discloses a camera lens, it is included by thing side to picture side in proper order: have the first lens of positive refracting power, the thing side of these first lens is the convex surface, have the second lens of negative refracting power, the picture side of these second lens is the concave surface, the third lens that have negative refracting power, the fourth lens that have the refracting power, have the 5th lens of positive refracting power, the picture side of the 5th lens is located to concave surface or plane at the paraxial, and off -axis department has an at least convex surface, the VI lenses who has negative refracting power. This camera lens satisfies following relational expression: 0.5 <= ff5 < 1.5, - 1.6 < ff6 < 0.7, wherein, f is this camera lens's effective focal distance, and f5 is the effective focal distance of the 5th lens, and f6 is this VI lenses's effective focal distance. When the satisfied above -mentioned camera lens who disposes is favorable to guaranteeing that the image force is separated to the height, promote peripheral relative illumination, and camera lens's whole focal power is forward relatively, effectively reduces the camera lens size, guarantees camera lens's miniaturization.
Description
Technical field
The utility model relates to field of photography, more specifically, relates to a kind of pick-up lens.
Background technology
The photo-sensitive cell of general optical system is photosensitive coupling element (CCD) or Complimentary Metal-Oxide semiconductor element (CMOS) two kinds.Along with progressing greatly of manufacture of semiconductor technology, the Pixel Dimensions of photo-sensitive cell constantly reduces, and corresponding optical system also trends towards the performance such as high resolution and high-quality.
Five chip camera lenses in the past cannot meet the demand of market to high-quality, and in small-bore configuration, camera lens effectively improves image quality, maintains the characteristic of miniaturization simultaneously, but also need to promote the performance such as pixel and resolving power further.In order to meet the demand of high resolution, needing to adopt bigbore configuration, the demand of illumination could be met, and five known slice structures being under bigbore configuration, cannot shorten system length further, meet picture element requirement.
Utility model content
The utility model is intended at least to solve one of technical matters existed in prior art.For this reason, the utility model needs to provide a kind of pick-up lens.
A kind of pick-up lens, is comprised to image side successively by thing side:
Have the first lens of positive refracting power, the thing side of these the first lens is convex surface;
Have the second lens of negative refracting power, the face, image side of these the second lens is concave surface;
There are the 3rd lens of negative refracting power;
There are the 4th lens of refracting power;
Have the 5th lens of positive refracting power, the face, image side of the 5th lens is concave surface or plane at paraxial place, and has at least one convex surface from axle place;
There are the 6th lens of negative refracting power;
This pick-up lens meets following relationship:
0.5≤f/f5＜1.5；
-1.6＜f/f6＜-0.7，
Wherein, f is the effective focal length of this pick-up lens, and f5 is the effective focal length of the 5th lens, and f6 is the effective focal length of the 6th lens.
The pick-up lens meeting above-mentioned configuration promotes periphery relative exposure while being conducive to ensureing high resolution; And the overall focal power of pick-up lens is relatively forward, effectively reduces pick-up lens size, ensure the miniaturization of pick-up lens.
In one embodiment, this pick-up lens meets following relationship:
0.6 < SD62/ImgH < 0.9, wherein, SD62 is the effective radius in the face, image side of the 6th lens, and ImgH is the half of the catercorner length of effective pixel area on imaging surface.
In one embodiment, this pick-up lens meets following relationship:
5.0 < f/CT1 < 6.5, wherein, f is the effective focal length of this pick-up lens, and CT1 is the center thickness of these the first lens.
In one embodiment, this pick-up lens meets following relationship:
1.4 < f2/f6 < 2.3, wherein, f2 is the effective focal length of these the second lens, and f6 is the effective focal length of the 6th lens.
In one embodiment, this pick-up lens meets following relationship:
0.5 < | R5/R6|≤2.0, wherein, R5 is the radius-of-curvature of the thing side of the 3rd lens, and R6 is the radius-of-curvature in the face, image side of the 3rd lens.
In one embodiment, this pick-up lens meets following relationship:
TTL/ImgH < 1.7, wherein, TTL is the lens overall length of this pick-up lens, and ImgH is the half of the catercorner length of effective pixel area on imaging surface.
In one embodiment, the thing side of these the second lens is convex surface, and the thing side of the 5th lens is convex surface at paraxial place.
In one embodiment, the thing side of the 4th lens is concave surface at paraxial place, and the face, image side of the 4th lens is convex surface at paraxial place.
In one embodiment, the face, image side of the 6th lens is concave surface at paraxial place.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of embodiment 1 pick-up lens;
Fig. 2 be embodiment 1 pick-up lens axle on chromaticity difference diagram (mm);
Fig. 3 is the astigmatism figure (mm) of embodiment 1 pick-up lens;
Fig. 4 is the distortion figure (%) of embodiment 1 pick-up lens;
Fig. 5 is the ratio chromatism, figure (um) of embodiment 1 pick-up lens;
Fig. 6 is the structural representation of embodiment 2 pick-up lens;
Fig. 7 be embodiment 2 pick-up lens axle on chromaticity difference diagram (mm);
Fig. 8 is the astigmatism figure (mm) of embodiment 2 pick-up lens;
Fig. 9 is the distortion figure (%) of embodiment 2 pick-up lens;
Figure 10 is the ratio chromatism, figure (um) of embodiment 2 pick-up lens;
Figure 11 is the structural representation of embodiment 3 pick-up lens;
Figure 12 be embodiment 3 pick-up lens axle on chromaticity difference diagram (mm);
Figure 13 is the astigmatism figure (mm) of embodiment 3 pick-up lens;
Figure 14 is the distortion figure (%) of embodiment 3 pick-up lens;
Figure 15 is the ratio chromatism, figure (um) of embodiment 3 pick-up lens;
Figure 16 is the structural representation of embodiment 4 pick-up lens;
Figure 17 be embodiment 4 pick-up lens axle on chromaticity difference diagram (mm);
Figure 18 is the astigmatism figure (mm) of embodiment 4 pick-up lens;
Figure 19 is the distortion figure (%) of embodiment 4 pick-up lens;
Figure 20 is the ratio chromatism, figure (um) of embodiment 4 pick-up lens;
Figure 21 is the structural representation of embodiment 5 pick-up lens;
Figure 22 be embodiment 5 pick-up lens axle on chromaticity difference diagram (mm);
Figure 23 is the astigmatism figure (mm) of embodiment 5 pick-up lens;
Figure 24 is the distortion figure (%) of embodiment 5 pick-up lens;
Figure 25 is the ratio chromatism, figure (um) of embodiment 5 pick-up lens;
Figure 26 is the structural representation of embodiment 6 pick-up lens;
Figure 27 be embodiment 6 pick-up lens axle on chromaticity difference diagram (mm);
Figure 28 is the astigmatism figure (mm) of embodiment 6 pick-up lens;
Figure 29 is the distortion figure (%) of embodiment 6 pick-up lens;
Figure 30 is the ratio chromatism, figure (um) of embodiment 6 pick-up lens;
Figure 31 is the schematic diagram of embodiment 7 pick-up lens;
Figure 32 be embodiment 7 pick-up lens axle on chromaticity difference diagram (mm);
Figure 33 is the astigmatism figure (mm) of embodiment 7 pick-up lens;
Figure 34 is the distortion figure (%) of embodiment 7 pick-up lens;
Figure 35 is the ratio chromatism, figure (um) of embodiment 7 pick-up lens;
Figure 36 is the structural representation of embodiment 8 pick-up lens;
Figure 37 be embodiment 8 pick-up lens axle on chromaticity difference diagram (mm);
Figure 38 is the astigmatism figure (mm) of embodiment 8 pick-up lens;
Figure 39 is the distortion figure (%) of embodiment 8 pick-up lens;
Figure 40 is the ratio chromatism, figure (um) of embodiment 8 pick-up lens.
Embodiment
Be 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 element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
In description of the present utility model, it is to be appreciated that term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or the implicit quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more described features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrically connected or can intercom mutually; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present utility model.Of the present utility model open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the utility model.In addition, the utility model can in different example repeat reference numerals and/or reference letter, this repetition is to simplify and clearly object, itself does not indicate discussed various embodiment and/or relation between setting.In addition, the various specific technique that the utility model provides and the example of material, but those of ordinary skill in the art can recognize the application of other techniques and/or the use of other materials.
Refer to Fig. 1, the pick-up lens of the utility model better embodiment, comprised successively to image side by thing side:
Have the first lens E1 of positive refracting power, the thing side S1 of the first lens E1 is convex surface;
Have the second lens E2 of negative refracting power, face, the image side S4 of the second lens E2 is concave surface;
There is the 3rd lens E3 of negative refracting power;
There is the 4th lens E4 of refracting power;
Have the 5th lens E5 of positive refracting power, the paraxial place of S10, face, image side of the 5th lens E5 is concave surface or plane, and has at least one convex surface from axle place;
There is the 6th lens E6 of negative refracting power;
Pick-up lens meets following relationship:
0.5≤f/f5＜1.5；
-1.6＜f/f6＜-0.7；
Wherein, f is the effective focal length of pick-up lens, and f5 is the effective focal length of the 5th lens, and f6 is the effective focal length of the 6th lens.
The pick-up lens meeting above-mentioned configuration promotes periphery relative exposure while being conducive to ensureing high resolution; And the overall focal power of pick-up lens is relatively forward, effectively reduces pick-up lens size, ensures the miniaturization of pick-up lens.The refracting power of the 4th lens E4 is positive and negative can.
Preferably, pick-up lens meets following relationship: 0.6 < SD62/ImgH < 0.9;
Wherein, SD62 is the effective radius in the face, image side of the 6th lens, and ImgH is the half of the catercorner length of effective pixel area on imaging surface.
The pick-up lens meeting above formula requirement is conducive to effective clear aperture of reduction the 6th lens, thus reduces pick-up lens size; And marginal ray converges on the 6th lens, the incident angle of light on sensitive chip can be reduced, effective modified off-axis aberration, and then promote image quality.
Preferably, pick-up lens meets following relationship: 5.0 < f/CT1 < 6.5;
Wherein, f is the effective focal length of pick-up lens, and CT1 is the center thickness of the first lens.
The pick-up lens meeting above formula requirement is conducive to the miniaturization ensureing pick-up lens, shortens the total length of pick-up lens further.
Preferably, pick-up lens meets following relationship: 1.4 < f2/f6 < 2.3;
Wherein, f2 is the effective focal length of the second lens, and f6 is the effective focal length of the 6th lens.
The pick-up lens meeting above formula requirement is conducive to the focal power of reasonable distribution system, effective update the system aberration.
Preferably, pick-up lens meets following relationship: 0.5 < | R5/R6|≤2.0;
Wherein, R5 is the radius-of-curvature of the thing side of the 3rd lens, and R6 is the radius-of-curvature in the face, image side of the 3rd lens.
The pick-up lens meeting above formula requirement can make lens thickness relatively well-balanced, and overall picture element relatively evenly, is conducive to lens shaping to edge to make center.
Preferably, pick-up lens meets following relationship: TTL/ImgH < 1.7;
Wherein, TTL is the lens overall length of pick-up lens, and ImgH is the half of the catercorner length of effective pixel area on imaging surface.
The pick-up lens meeting above formula requirement is conducive to the total length of the pick-up lens shortened, and ensures the miniaturization of pick-up lens.
The thing side S3 of the second lens E2 of pick-up lens is convex surface, and the thing side S9 of the 5th lens E5 is convex surface at paraxial place.
The thing side S7 of the 4th lens E4 of pick-up lens is concave surface at paraxial place, and face, the image side S8 of the 4th lens E4 is convex surface at paraxial place.
In pick-up lens, face, the image side S12 of the 6th lens E6 is concave surface at paraxial place.
Meet the above requirement to lens shape, pick-up lens can promote the relative exposure at pick-up lens edge further, improves the resolving power of pick-up lens; The center thickness of each lens is relatively more even simultaneously, makes pick-up lens structure relative compact, is conducive to organizing vertical technique.
During imaging, light images in imaging surface S15 through after six-element lens after having the optical filter E7 of thing side surface S13 and surface, image side S14.
In some embodiments, the first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5 and the 6th lens E6 are non-spherical lens.
Aspheric shape is determined by following formula:
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 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 and table 2 below:
Table 1
| Surface number | Surface type | Radius-of-curvature | Thickness | Refractive index/Abbe number | Circular cone coefficient |
| OBJ | Sphere | Infinite | Infinite | -- | -- |
| STO | Sphere | Infinite | -0.4584 | -- | -- |
| S1 | Aspheric surface | 1.8681 | 0.8162 | 1.544/56.11 | -1.2391 |
| S2 | Aspheric surface | -102.5760 | 0.0527 | -- | -7.2605 |
| S3 | Aspheric surface | 59.9633 | 0.2502 | 1.651/21.52 | -1.0000 |
| S4 | Aspheric surface | 3.8299 | 0.4933 | -- | -25.2865 |
| S5 | Aspheric surface | 11.3187 | 0.3007 | 1.651/21.52 | -23.4035 |
| S6 | Aspheric surface | 9.7562 | 0.1398 | -- | -1.0001 |
| S7 | Aspheric surface | -12.7513 | 0.6739 | 1.544/56.11 | -99.0000 |
| S8 | Aspheric surface | -14.5140 | 0.3276 | -- | -1.9122 |
| S9 | Aspheric surface | 2.3572 | 0.4614 | 1.544/56.11 | -2.5237 |
| S10 | Aspheric surface | 61.4244 | 0.7374 | -- | -12.1116 |
| S11 | Aspheric surface | -6.0423 | 0.3500 | 1.544/56.11 | -37.5073 |
| S12 | Aspheric surface | 2.4229 | 0.1810 | -- | -16.4738 |
| S13 | Sphere | Infinite | 0.2100 | 1.517/64.17 | -- |
| S14 | Sphere | Infinite | 0.4757 | -- | -- |
| S15 | Sphere | Infinite | -- | -- | -- |
Table 2
In addition, f1=3.37mm; F2=-6.24mm; F3=-116.56mm; F4=-222.33mm; F5=4.48mm; F6=-3.12mm and f=4.57mm; HFOV=37.7 °; TTL=5.47mm; Fno=1.8.
Embodiment 2
Incorporated by reference to Fig. 6 ~ Figure 10, in example 2, pick-up lens meets the condition of table 3 and table 4 below:
Table 3
| Surface number | Surface type | Radius-of-curvature | Thickness | Refractive index/Abbe number | Circular cone coefficient |
| OBJ | Sphere | Infinite | Infinite | -- | -- |
| STO | Sphere | Infinite | -0.4676 | -- | -- |
| S1 | Aspheric surface | 1.7460 | 0.8179 | 1.544/56.11 | -1.1083 |
| S2 | Aspheric surface | -89.5196 | 0.0372 | -- | -55.6645 |
| S3 | Aspheric surface | 80.6916 | 0.2500 | 1.651/21.52 | -99.0000 |
| S4 | Aspheric surface | 3.6942 | 0.4326 | -- | -23.9215 |
| S5 | Aspheric surface | 10.8085 | 0.3000 | 1.651/21.52 | -1.3144 |
| S6 | Aspheric surface | 10.3488 | 0.1306 | -- | -3.2348 |
| S7 | Aspheric surface | -10.8907 | 0.5212 | 1.544/56.11 | -99.0000 |
| S8 | Aspheric surface | -29.8181 | 0.3021 | -- | -99.0000 |
| S9 | Aspheric surface | 2.6751 | 0.5256 | 1.544/56.11 | -2.9280 |
| S10 | Aspheric surface | 1000.4277 | 0.6174 | -- | -12.1299 |
| S11 | Aspheric surface | 3.5359 | 0.3500 | 1.544/56.11 | -99.0000 |
| S12 | Aspheric surface | 1.1886 | 0.2009 | -- | -9.0333 |
| S13 | Sphere | Infinite | 0.2100 | 1.517/64.17 | -- |
| S14 | Sphere | Infinite | 0.5045 | -- | -- |
| S15 | Sphere | Infinite | -- | -- | -- |
Table 4
In addition, f1=3.15mm; F2=-5.91mm; F3=-500mm; F4=-31.74mm; F5=4.91mm; F6=-3.46mm and f=4.42mm; HFOV=39 °; TTL=5.20mm; Fno=1.82.
Embodiment 3
Incorporated by reference to Figure 11 ~ Figure 15, in embodiment 3, pick-up lens meets the condition of table 5 and table 6 below:
Table 5
| Surface number | Surface type | Radius-of-curvature | Thickness | Refractive index/Abbe number | Circular cone coefficient |
| OBJ | Sphere | Infinite | Infinite | -- | -- |
| STO | Sphere | Infinite | -0.3383 | -- | -- |
| S1 | Aspheric surface | 1.3580 | 0.5954 | 1.544/56.11 | -1.0151 |
| S2 | Aspheric surface | -446.5590 | 0.0300 | -- | -55.6645 |
| S3 | Aspheric surface | 41.8391 | 0.2000 | 1.651/21.52 | -99.0000 |
| S4 | Aspheric surface | 2.8024 | 0.3134 | -- | -23.9215 |
| S5 | Aspheric surface | 9.0935 | 0.2300 | 1.651/21.52 | -1.3144 |
| S6 | Aspheric surface | 8.7597 | 0.1260 | -- | -3.2348 |
| S7 | Aspheric surface | -6.5853 | 0.4116 | 1.544/56.11 | -99.0000 |
| S8 | Aspheric surface | -9.9896 | 0.2784 | -- | -99.0000 |
| S9 | Aspheric surface | 2.4389 | 0.4035 | 1.544/56.11 | -3.8946 |
| S10 | Aspheric surface | 1000.9907 | 0.5059 | -- | -12.1299 |
| S11 | Aspheric surface | 2.9692 | 0.2838 | 1.544/56.11 | -99.0000 |
| S12 | Aspheric surface | 1.0055 | 0.1516 | -- | -9.0333 |
| S13 | Sphere | Infinite | 0.2100 | 1.517/64.17 | -- |
| S14 | Sphere | Infinite | 0.4796 | -- | -- |
| S15 | Sphere | Infinite | -- | -- | -- |
Table 6
In addition, f1=2.48mm; F2=-4.59mm; F3=-500mm; F4=-36.97mm; F5=4.48mm; F6=-2.93mm and f=3.7mm; HFOV=39.7 °; TTL=4.22mm; Fno=2.0.
Embodiment 4
Incorporated by reference to Figure 16 ~ Figure 20, in example 4, pick-up lens meets the condition of table 7 and table 8 below:
Table 7
| Surface number | Surface type | Radius-of-curvature | Thickness | Refractive index/Abbe number | Circular cone coefficient |
| OBJ | Sphere | Infinite | Infinite | -- | -- |
| STO | Sphere | Infinite | -0.3522 | -- | -- |
| S1 | Aspheric surface | 1.3412 | 0.6129 | 1.544/56.11 | -1.0000 |
| S2 | Aspheric surface | 421.4674 | 0.0308 | -55.6645 | |
| S3 | Aspheric surface | 78.0121 | 0.2000 | 1.651/21.52 | -99.0000 |
| S4 | Aspheric surface | 2.8607 | 0.3165 | -- | -23.9215 |
| S5 | Aspheric surface | 7.1996 | 0.2415 | 1.651/21.52 | -5.0468 |
| S6 | Aspheric surface | 6.9525 | 0.1261 | -- | -22.6905 |
| S7 | Aspheric surface | -4.8841 | 0.4330 | 1.544/56.11 | -161.5850 |
| S8 | Aspheric surface | -3.3028 | 0.3324 | -- | -110.8289 |
| S9 | Aspheric surface | 4.0389 | 0.3725 | 1.544/56.11 | -1.1101 |
| S10 | Aspheric surface | 998.9253 | 0.4111 | -- | -12.1299 |
| S11 | Aspheric surface | 3.6622 | 0.3167 | 1.544/56.11 | -113.9594 |
| S12 | Aspheric surface | 1.0719 | 0.1571 | -- | -8.8002 |
| S13 | Sphere | Infinite | 0.2100 | 1.517/64.17 | -- |
| S14 | Sphere | Infinite | 0.4682 | -- | -- |
| S15 | Sphere | Infinite | -- | -- | -- |
Table 8
In addition, f1=2.46mm; F2=-4.53mm; F3=-503.6mm; F4=17.04mm; F5=7.43mm; F6=-2.9mm and f=3.74mm; HFOV=39.2 °; TTL=4.23mm; Fno=2.0.
Embodiment 5
Incorporated by reference to Figure 21 ~ Figure 25, in embodiment 5, pick-up lens meets the condition of table 9 and table 10 below:
Table 9
| Surface number | Surface type | Radius-of-curvature | Thickness | Refractive index/Abbe number | Circular cone coefficient |
| OBJ | Sphere | Infinite | Infinite | -- | -- |
| STO | Sphere | Infinite | -0.2963 | -- | -- |
| S1 | Aspheric surface | 1.3527 | 0.6074 | 1.544/56.11 | -1.0218 |
| S2 | Aspheric surface | -2104.4031 | 0.0316 | -- | -470.8883 |
| S3 | Aspheric surface | 46.7871 | 0.2000 | 1.651/21.52 | 54.4625 |
| S4 | Aspheric surface | 2.8417 | 0.3176 | -- | -24.0117 |
| S5 | Aspheric surface | 8.6071 | 0.2416 | 1.651/21.52 | 0.0541 |
| S6 | Aspheric surface | 7.9834 | 0.1254 | -- | -16.0913 |
| S7 | Aspheric surface | -4.9182 | 0.4388 | 1.544/56.11 | -134.4598 |
| S8 | Aspheric surface | -3.8539 | 0.3133 | -- | -104.4106 |
| S9 | Aspheric surface | 3.3653 | 0.3886 | 1.544/56.11 | -1.8001 |
| S10 | Aspheric surface | Infinite | 0.4470 | -- | 94.9980 |
| S11 | Aspheric surface | 3.2288 | 0.2880 | 1.544/56.11 | -108.4886 |
| S12 | Aspheric surface | 1.0394 | 0.1658 | -- | -8.9519 |
| S13 | Sphere | Infinite | 0.2100 | 1.517/64.17 | -- |
| S14 | Sphere | Infinite | 0.4675 | -- | -- |
| S15 | Sphere | Infinite | -- | -- | -- |
Table 10
In addition, f1=2.48mm; F2=-4.62mm; F3=-198.28mm; F4=28.47mm; F5=6.16mm; F6=-2.94mm and f=3.73mm; HFOV=39.0 °; TTL=4.24mm; Fno=2.0.
Embodiment 6
Incorporated by reference to Figure 26 ~ Figure 30, in embodiment 6, pick-up lens meets the condition of table 11 and table 12 below:
Table 11
| Surface number | Surface type | Radius-of-curvature | Thickness | Refractive index/Abbe number | Circular cone coefficient |
| OBJ | Sphere | Infinite | Infinite | -- | -- |
| STO | Sphere | Infinite | -0.3537 | -- | -- |
| S1 | Aspheric surface | 1.3400 | 0.6236 | 1.544/56.11 | -1.0023 |
| S2 | Aspheric surface | 133.2675 | 0.0300 | -- | -99.0000 |
| S3 | Aspheric surface | 94.0650 | 0.2000 | 1.651/21.52 | -99.0000 |
| S4 | Aspheric surface | 3.0783 | 0.3341 | -- | -25.5276 |
| S5 | Aspheric surface | -73.1385 | 0.2300 | 1.651/21.52 | -99.0000 |
| S6 | Aspheric surface | -125.9191 | 0.1010 | -- | -99.0000 |
| S7 | Aspheric surface | -5.6208 | 0.3836 | 1.544/56.11 | -99.0000 |
| S8 | Aspheric surface | -4.0895 | 0.3978 | -- | -99.0000 |
| S9 | Aspheric surface | 4.0231 | 0.3798 | 1.544/56.11 | -2.1637 |
| S10 | Aspheric surface | 999.6041 | 0.3374 | -- | -12.1299 |
| S11 | Aspheric surface | 3.1163 | 0.3441 | 1.544/56.11 | -99.0000 |
| S12 | Aspheric surface | 1.0874 | 0.1733 | -- | -9.0333 |
| S13 | Sphere | Infinite | 0.2100 | 1.517/64.17 | -- |
| S14 | Sphere | Infinite | 0.4785 | -- | -- |
| S15 | Sphere | Infinite | -- | -- | -- |
Table 12
In addition, f1=2.48mm; F2=-4.85mm; F3=-266.29mm; F4=25.26mm; F5=7.40mm; F6=-3.25mm and f=3.71mm; HFOV=38.7 °; TTL=4.22mm; Fno=2.0.
Embodiment 7
Incorporated by reference to Figure 31 ~ Figure 35, in embodiment 7, pick-up lens meets the condition of table 13 and table 14 below:
Table 13
| Surface number | Surface type | Radius-of-curvature | Thickness | Refractive index/Abbe number | Circular cone coefficient |
| OBJ | Sphere | Infinite | Infinite | -- | -- |
| STO | Sphere | Infinite | -0.3523 | -- | -- |
| S1 | Aspheric surface | 1.3400 | 0.6209 | 1.544/56.11 | -1.0024 |
| S2 | Aspheric surface | 134.2934 | 0.0300 | -- | -99.0000 |
| S3 | Aspheric surface | 75.6052 | 0.2000 | 1.651/21.52 | -99.0000 |
| S4 | Aspheric surface | 3.0701 | 0.3327 | -- | -25.7013 |
| S5 | Aspheric surface | -125.5239 | 0.2300 | 1.651/21.52 | -99.0000 |
| S6 | Aspheric surface | 88.3191 | 0.1033 | -- | -1.0000 |
| S7 | Aspheric surface | -6.1280 | 0.3869 | 1.544/56.11 | -99.0000 |
| S8 | Aspheric surface | -4.1140 | 0.3942 | -- | -99.0000 |
| S9 | Aspheric surface | 4.0187 | 0.3789 | 1.544/56.11 | -2.1637 |
| S10 | Aspheric surface | 999.5864 | 0.3363 | -- | -12.1299 |
| S11 | Aspheric surface | 3.0779 | 0.3466 | 1.544/56.11 | -99.0000 |
| S12 | Aspheric surface | 1.0858 | 0.1741 | -- | -9.0333 |
| S13 | Sphere | Infinite | 0.2100 | 1.517/64.17 | -- |
| S14 | Sphere | Infinite | 0.4792 | -- | -- |
| S15 | Sphere | Infinite | -- | -- | -- |
Table 14
In addition, f1=2.48mm; F2=-4.88mm; F3=-78.95mm; F4=21.47mm; F5=7.39mm; F6=-3.27mm and f=3.70mm; HFOV=38.7 °; TTL=4.22mm; Fno=2.0.
Embodiment 8
Incorporated by reference to Figure 36 ~ Figure 40, in embodiment 8, pick-up lens meets the condition of table 15 and table 16 below:
Table 15
| Surface number | Surface type | Radius-of-curvature | Thickness | Refractive index/Abbe number | Circular cone coefficient |
| OBJ | Sphere | Infinite | Infinite | -- | -- |
| STO | Sphere | Infinite | -0.3615 | -- | -- |
| S1 | Aspheric surface | 1.6194 | 0.6514 | 1.544/56.11 | -1.0538 |
| S2 | Aspheric surface | 45.3761 | 0.0390 | -- | -1499.7409 |
| S3 | Aspheric surface | 29.9503 | 0.2000 | 1.651/21.52 | -1023.1127 |
| S4 | Aspheric surface | 3.5406 | 0.3769 | -- | -36.6901 |
| S5 | Aspheric surface | 17.7651 | 0.2931 | 1.651/21.52 | -1354.5310 |
| S6 | Aspheric surface | 8.8795 | 0.1175 | -- | -44.6492 |
| S7 | Aspheric surface | 1500.0000 | 0.4252 | 1.544/56.11 | -1499.8479 |
| S8 | Aspheric surface | -22.9418 | 0.3719 | -- | 30.6219 |
| S9 | Aspheric surface | 2.8135 | 0.5155 | 1.544/56.11 | -3.9162 |
| S10 | Aspheric surface | Infinite | 0.6549 | -- | -1498.1409 |
| S11 | Aspheric surface | 3.7203 | 0.3240 | 1.544/56.11 | -96.3401 |
| S12 | Aspheric surface | 1.1458 | 0.2107 | -- | -7.3833 |
| S13 | Sphere | Infinite | 0.2100 | 1.517/64.17 | -- |
| S14 | Sphere | Infinite | 0.4439 | -- | -- |
| S15 | Sphere | Infinite | -- | -- | -- |
Table 16
In addition, f1=3.06mm; F2=-6.14mm; F3=-27.41mm; F4=41.39mm; F5=5.15mm; F6=-3.17mm and f=4.14mm; HFOV=40.6 °; TTL=4.83mm; Fno=2.0.
In embodiment 1 ~ 8, each conditional meets the condition of table 17 below:
Table 17
| Formula embodiment | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| f/f5 | 1.02 | 0.90 | 0.83 | 0.50 | 0.60 | 0.50 | 0.50 | 0.80 |
| f/f6 | -1.46 | -1.28 | -1.26 | -1.29 | -1.27 | -1.14 | -1.13 | -1.30 |
| SD62/ImgH | 0.82 | 0.78 | 0.76 | 0.74 | 0.75 | 0.78 | 0.78 | 0.73 |
| f/CT1 | 5.60 | 5.40 | 6.21 | 6.11 | 6.14 | 5.94 | 5.96 | 6.35 |
| f2/f6 | 2.00 | 1.71 | 1.56 | 1.56 | 1.57 | 1.49 | 1.49 | 1.93 |
| |R5/R6| | 1.16 | 1.04 | 1.04 | 1.04 | 1.08 | 0.58 | 1.42 | 2.00 |
| TTL/ImgH | 1.53 | 1.44 | 1.41 | 1.37 | 1.38 | 1.41 | 1.41 | 1.33 |
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " exemplary embodiment ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with described embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In description of the present utility model, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.
Claims (9)
1. a pick-up lens, is characterized in that, is comprised successively to image side by thing side:
Have the first lens of positive refracting power, the thing side of these the first lens is convex surface;
Have the second lens of negative refracting power, the face, image side of these the second lens is concave surface;
There are the 3rd lens of negative refracting power;
There are the 4th lens of refracting power;
Have the 5th lens of positive refracting power, the face, image side of the 5th lens is concave surface or plane at paraxial place, and has at least one convex surface from axle place;
There are the 6th lens of negative refracting power;
This pick-up lens meets following relationship:
0.5≤f/f5＜1.5；
-1.6＜f/f6＜-0.7，
Wherein, f is the effective focal length of this pick-up lens, and f5 is the effective focal length of the 5th lens, and f6 is the effective focal length of the 6th lens.
2. pick-up lens as claimed in claim 1, it is characterized in that, this pick-up lens meets following relationship:
0.6＜SD62/ImgH＜0.9，
Wherein, SD62 is the effective radius in the face, image side of the 6th lens, and ImgH is the half of the catercorner length of effective pixel area on imaging surface.
3. pick-up lens as claimed in claim 1, it is characterized in that, this pick-up lens meets following relationship:
5.0＜f/CT1＜6.5，
Wherein, f is the effective focal length of this pick-up lens, and CT1 is the center thickness of these the first lens.
4. pick-up lens as claimed in claim 1, it is characterized in that, this pick-up lens meets following relationship:
1.4＜f2/f6＜2.3，
Wherein, f2 is the effective focal length of these the second lens, and f6 is the effective focal length of the 6th lens.
5. pick-up lens as claimed in claim 1, it is characterized in that, this pick-up lens meets following relationship:
0.5＜|R5/R6|≤2.0，
Wherein, R5 is the radius-of-curvature of the thing side of the 3rd lens, and R6 is the radius-of-curvature in the face, image side of the 3rd lens.
6. pick-up lens as claimed in claim 1, it is characterized in that, this pick-up lens meets following relationship:
TTL/ImgH＜1.7，
Wherein, TTL is the lens overall length of this pick-up lens, and ImgH is the half of the catercorner length of effective pixel area on imaging surface.
7. the pick-up lens according to any one of claim 1 ~ 6, is characterized in that, the thing side of these the second lens is convex surface, and the thing side of the 5th lens is convex surface at paraxial place.
8. pick-up lens as claimed in claim 7, it is characterized in that, the thing side of the 4th lens is concave surface at paraxial place, and the face, image side of the 4th lens is convex surface at paraxial place.
9. pick-up lens as claimed in claim 8, it is characterized in that, the face, image side of the 6th lens is concave surface at paraxial place.
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