CN203606559U - Mini-size imaging lens - Google Patents
Mini-size imaging lens Download PDFInfo
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- CN203606559U CN203606559U CN201320681217.4U CN201320681217U CN203606559U CN 203606559 U CN203606559 U CN 203606559U CN 201320681217 U CN201320681217 U CN 201320681217U CN 203606559 U CN203606559 U CN 203606559U
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- 238000003384 imaging method Methods 0.000 title claims abstract description 15
- 230000003287 optical effect Effects 0.000 claims abstract description 46
- 239000000571 coke Substances 0.000 claims description 8
- 230000007547 defect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 13
- 201000009310 astigmatism Diseases 0.000 description 7
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- 238000012544 monitoring process Methods 0.000 description 1
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Abstract
The utility model provides a mini-size imaging lens. The optical lens comprises a first lens, a second lens, a third lens, a fourth lens and a fifth lens from the object side to the image side in sequence, the first lens has negative focal power, and the object side surface of the first lens is a convex surface; the second lens has positive focal power, and the object side surface of the second lens is a convex surface; the fifth lens has negative focal power, the image side surface of the fifth lens is a concave surface, and the surface of the object side or the image side of the fifth lens is provided with at least one inflexion point. The lens meets the following relation: -0.36<f1.2/f3<3.0, wherein f1.2 is the combined focal length of the first lens and the second lens, and f3 is the focal length of the third lens. The 5 plastic aspherical lenses are adopted, the defects in the prior art are overcome by means of different focal power distribution, and a new solution is provided for the current specification requirements and the performance requirements.
Description
Technical field
The utility model relates to a kind of imaging optical system of camera lens, relates to specifically a kind of miniature imaging lens combination being made up of five groups of lens.
Background technology
Along with the development of CMOS chip technology, the Pixel Dimensions of chip is more and more less, also more and more higher to the image quality requirement of the optical system matching, and makes pick-up lens gradually toward high pixel and the development of miniaturization field.
The optical lens that is generally applied to the aspects such as mobile phone camera, automobile-used camera lens, imaging monitoring, its required field angle is larger.And the camera lens of large field angle, relative size will be long, and be difficult to meet the parsing requirement of high pixel.For the problems referred to above, publication number is " CN101046542 ", within open day, is that " 2007.10.03 ", name are called the utility model patent of " imaging lens system ", the optical imaging system that a kind of 5 groups of lens form has been proposed, five groups of lens in this camera lens from the object side to the image side successively by have positive diopter first lens, there are negative dioptric the second lens, have positive diopter the 3rd lens, there are negative dioptric the 4th lens and there are dioptric the 5th lens of plus or minus and form.Although this System Assurance the image quality of camera lens, aspect Lens, can also further dwindle; Simultaneously the focal power between each group lens is distributed between eccentric tolerance and is not obtained good balance, therefore also there is the difficulty in the unfavorable and processing in some designs.Therefore be necessary the imaging len that a kind of miniature high pixel is provided, has large field angle characteristic concurrently.
Utility model content
The utility model provides a kind of optical lens, has met optical lens and in miniaturization, has also had high performance requirement.
A kind of micro pick-up lens, described optical lens is by thing side to sequentially comprising first lens, the second lens, the 3rd lens, the 4th lens and the 5th lens as side, and described first lens has negative power, and its thing side is convex surface; Described the second lens have positive light coke, and its thing side is convex surface; Described the 5th lens have negative power, and it is concave surface as side, and the thing side of the 5th lens or as having a point of inflexion on side surface at least; Described camera lens meets following relationship:
-0.36<f1.2/f3<3.0
Wherein, f1.2 is the combined focal length of the 1.2nd lens; F3 is the focal length of the 3rd lens.
Further, described camera lens meets following relationship:
0.8≦f/TTL
Wherein, the focal length that f is whole camera lens; TTL be the thing side surface of first lens to imaging surface the distance on optical axis.
It is aspheric surface that described camera lens has a face at least.
Further, between object and the second eyeglass, be provided with diaphragm.
The utility model has adopted 5 plastic aspherical element eyeglasses, distributes by different focal powers, has overcome the defect of prior art, and current specification requirement and performance requirement have been proposed to a kind of new solution.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the micro pick-up lens embodiment 1 that provides of the utility model;
Fig. 2 is chromaticity difference diagram (mm) on the axle of embodiment 1;
Fig. 3 is the astigmatism figure (mm) of embodiment 1;
Fig. 4 is the distortion figure (%) of embodiment 1;
Fig. 5 is that (μ m) for the ratio chromatism, figure of embodiment 1;
Fig. 6 is the schematic diagram of the micro pick-up lens embodiment 2 that provides of the utility model;
Fig. 7 is chromaticity difference diagram (mm) on the axle of embodiment 2;
Fig. 8 is the astigmatism figure (mm) of embodiment 2;
Fig. 9 is the distortion figure (%) of embodiment 2;
Figure 10 is that (μ m) for the ratio chromatism, figure of embodiment 2;
Figure 11 is the schematic diagram of the micro pick-up lens embodiment 3 that provides of the utility model;
Figure 12 is chromaticity difference diagram (mm) on the axle of embodiment 3;
Figure 13 is the astigmatism figure (mm) of embodiment 3;
Figure 14 is the distortion figure (%) of embodiment 3;
Figure 15 is that (μ m) for the ratio chromatism, figure of embodiment 3;
Figure 16 is the schematic diagram of the micro pick-up lens embodiment 4 that provides of the utility model;
Figure 17 is chromaticity difference diagram (mm) on the axle of embodiment 4;
Figure 18 is the astigmatism figure (mm) of embodiment 4;
Figure 19 is the distortion figure (%) of embodiment 4;
Figure 20 is that (μ m) for the ratio chromatism, figure of embodiment 4;
Figure 21 is the schematic diagram of the micro pick-up lens embodiment 5 that provides of the utility model;
Figure 22 is chromaticity difference diagram (mm) on the axle of embodiment 5;
Figure 23 is the astigmatism figure (mm) of embodiment 5;
Figure 24 is the distortion figure (%) of embodiment 5;
Figure 25 is that (μ m) for the ratio chromatism, figure of embodiment 5;
Figure 26 is the schematic diagram of the micro pick-up lens embodiment 6 that provides of the utility model;
Figure 27 is chromaticity difference diagram (mm) on the axle of embodiment 6;
Figure 28 is the astigmatism figure (mm) of embodiment 6;
Figure 29 is the distortion figure (%) of embodiment 6;
Figure 30 is that (μ m) for the ratio chromatism, figure of embodiment 6.
Embodiment
In embodiment 1, as shown in Figure 1, described optical lens is by thing side to sequentially comprising first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, optical filter and optical lens as side, and described first lens E1 has negative power, and its thing side is convex surface; Described the second lens E2 has positive light coke, and its thing side is convex surface; Described the 5th lens E5 has negative power, and it is concave surface as side, and the thing side of the 5th lens E5 or as having a point of inflexion on side surface at least; It is aspheric surface that described camera lens has a face at least, between object and the second eyeglass, is provided with diaphragm.
By thing side, to picture side, described first lens E1 two sides is S1, S2, and the second lens E2 two sides is S3, S4, the 3rd lens E3 two sides is S5, S6, and the 4th lens E4 two sides is S7, S8, and the 5th lens E5 two sides is S9, S10, optical filter two sides is S11, S12, and optical lens face is S13.
TTL=3.762；f1=-6.24；f2=1.99；f3=-21.69；f4=6.66；f5=-2.65；f=3.22；
f1.2/f3=-0.14；f/TTL=0.857。
Wherein, f1.2 is the combined focal length of the 1.2nd lens; F3 is the focal length of the 3rd lens; F is the focal length of whole camera lens; TTL be the thing side surface of first lens to imaging surface the distance on optical axis.
Systematic parameter: 1/4 " sensor devices f-number 2.06
Table 1
| Surface type | Radius-of-curvature | Thickness | Material | Effective aperture | Circular cone coefficient |
| Sphere | Infinite | Infinite | |||
| Aspheric surface | 1.6136 | 0.2500 | 1.635/23.78 | 1.5664 | -3.0805 |
| Aspheric surface | 1.0777 | 0.0380 | 1.6217 | -1.7223 | |
| Aspheric surface | 1.5390 | 0.5827 | 1.544/56.11 | 1.6200 | -0.1960 |
| Aspheric surface | -3.1769 | 0.2327 | 1.7671 | 4.7633 | |
| Aspheric surface | 1.7477 | 0.2500 | 1.635/23.78 | 1.8732 | -6.3974 |
| Aspheric surface | 1.4648 | 0.5160 | 1.9705 | -5.4475 | |
| Aspheric surface | 74.1668 | 0.3436 | 1.544/56.11 | 2.0580 | 0.0000 |
| Aspheric surface | -3.8057 | 0.3752 | 2.6082 | 4.5909 | |
| Aspheric surface | 2.3589 | 0.3500 | 1.544/56.11 | 3.0971 | -80.2791 |
| Aspheric surface | 0.8481 | 0.1641 | 3.8586 | -8.1696 | |
| Sphere | Infinite | 0.2100 | 1.517/64.17 | 4.4039 | |
| Sphere | Infinite | 0.4500 | 4.5410 | ||
| Sphere | Infinite | 4.9800 |
Following table is aspheric surface high-order term coefficient A4, A6, A8, A10, A12, A14, the A16 of non-spherical lens:
Table 2
| A4 | A6 | A8 | A10 | A12 | A14 | A16 |
| -1.5442E-01 | -2.8790E-01 | 5.5378E-01 | -5.6045E-01 | 2.6414E-01 | 0 | 0 |
| -1.8893E-02 | -6.4215E-01 | 7.4716E-01 | -3.8949E-01 | 1.0250 |
0 | 0 |
| 1.4127E-01 | -2.8561E-01 | -2.9101E-01 | 1.1514E+00 | -8.8139E-01 | 0 | 0 |
| -8.1582E-02 | 2.5256E-01 | -1.6742E-01 | 2.4696E-01 | -3.4337 |
0 | 0 |
| -5.0012E-02 | 1.4454E-01 | 1.9711E-01 | -4.0148E-01 | -1.6368E-01 | 5.8508E-01 | -4.2651E-01 |
| 1.3926E-02 | 5.7896E-02 | 3.3020E-02 | 1.8360E-01 | 1.3909E-02 | -8.2902E-01 | 5.8329E-01 |
| 2.2056E-02 | -3.0930E-01 | 4.2886E-01 | -5.1594E-01 | -2.3459E-01 | 7.6243E-01 | -3.4159E-01 |
| -2.4809E-02 | 2.1210E-01 | -3.3569E-01 | 1.0897E-01 | 5.3549E-02 | -6.1937E-03 | -1.1139E-02 |
| -8.0185E-01 | 1.2136E+00 | -1.2604E+00 | 9.0109E-01 | -4.0335E-01 | 1.0099E-01 | -1.0813E-02 |
| -3.4691E-01 | 4.0546E-01 | -3.1441E-01 | 1.5430E-01 | -4.6129E-02 | 7.5979E-03 | -5.3042E-04 |
In embodiment 2, as shown in Figure 6, described optical lens is by thing side to sequentially comprising first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, optical filter and optical lens as side, and described first lens E1 has negative power, and its thing side is convex surface; Described the second lens E2 has positive light coke, and its thing side is convex surface; Described the 5th lens E5 has negative power, and it is concave surface as side, and the thing side of the 5th lens E5 or as having a point of inflexion on side surface at least; It is aspheric surface that described camera lens has a face at least, between object and the second eyeglass, is provided with diaphragm.
By thing side, to picture side, described first lens E1 two sides is S1, S2, and the second lens E2 two sides is S3, S4, the 3rd lens E3 two sides is S5, S6, and the 4th lens E4 two sides is S7, S8, and the 5th lens E5 two sides is S9, S10, optical filter two sides is S11, S12, and optical lens face is S13.
TTL=3.764；f1=-8.93；f2=2.33；f3=-2210.11；f4=4.62；f5=-2.50；f=3.21；f1.2/f3=-0.002；f/TTL=0.853。
Wherein, f1.2 is the combined focal length of the 1.2nd lens; F3 is the focal length of the 3rd lens; F is the focal length of whole camera lens; TTL be the thing side surface of first lens to imaging surface the distance on optical axis.
Systematic parameter: 1/4 " sensor devices f-number 2.05
Table 3
| Surface type | Radius-of-curvature | Thickness | Material | Effective aperture | Circular cone coefficient |
| Sphere | Infinite | Infinite | |||
| Aspheric surface | 1.3781 | 0.2500 | 1.635/23.78 | 1.5664 | -1.4453 |
| Aspheric surface | 1.0306 | 0.0300 | 1.5621 | -0.5549 | |
| Aspheric surface | 1.1659 | 0.5823 | 1.544/56.11 | 1.5400 | 0.3417 |
| Aspheric surface | 11.8964 | 0.0396 | 1.6361 | 10.0000 | |
| Aspheric surface | 4.5448 | 0.2500 | 1.635/23.78 | 1.6285 | -22.6277 |
| Aspheric surface | 4.4333 | 0.4772 | 1.6662 | 5.4472 | |
| Aspheric surface | -4.4253 | 0.4278 | 1.544/56.11 | 1.8043 | 0.0000 |
| Aspheric surface | -1.6581 | 0.4550 | 2.1581 | -0.3119 | |
| Aspheric surface | 2.3300 | 0.3499 | 1.544/56.11 | 2.7519 | -51.0819 |
| Aspheric surface | 0.8128 | 0.2141 | 3.7655 | -6.8683 | |
| Sphere | Infinite | 0.3000 | 1.517/64.17 | 4.2022 | |
| Sphere | Infinite | 0.3878 | 4.4065 | ||
| Sphere | Infinite | 4.8386 |
Following table is aspheric surface high-order term coefficient A4, A6, A8, A10, A12, A14, the A16 of non-spherical lens:
Table 4
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 |
| 1 | -9.013E-02 | -8.044E-02 | 1.241E-01 | -2.724E-01 | 1.812 |
0 | 0 |
| 2 | -1.652E-01 | -5.608E-01 | 4.364E-01 | -1.058E-01 | 1.314 |
0 | 0 |
| 3 | -2.230E-02 | -4.552E-01 | -7.806E-04 | 8.766E-01 | -8.520E-01 | 0 | 0 |
| 4 | -4.921E-01 | 6.159E-01 | -5.395E-01 | -3.199E-01 | 5.675 |
0 | 0 |
| 5 | -5.859E-01 | 2.093E-01 | 3.828E-01 | -1.108E+00 | 1.473E+00 | 3.027E-02 | -4.993E-01 |
| 6 | -1.917E-01 | -8.790E-02 | 9.887E-02 | 6.471E-01 | -2.361E-01 | -1.270E+00 | 1.480E+00 |
| 7 | -4.827E-02 | -1.979E-01 | 6.144E-04 | -1.372E-01 | -1.087E-01 | -1.043E-01 | 3.540E-01 |
| 8 | -3.166E-02 | 8.100E-02 | -4.491E-02 | -1.664E-01 | 4.901E-03 | 2.760E-01 | -1.352E-01 |
In embodiment 3, as shown in figure 11, described optical lens is by thing side to sequentially comprising first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, optical filter and optical lens as side, and described first lens E1 has negative power, and its thing side is convex surface; Described the second lens E2 has positive light coke, and its thing side is convex surface; Described the 5th lens E5 has negative power, and it is concave surface as side, and the thing side of the 5th lens E5 or as having a point of inflexion on side surface at least; It is aspheric surface that described camera lens has a face at least, between object and the second eyeglass, is provided with diaphragm.
By thing side, to picture side, described first lens E1 two sides is S1, S2, and the second lens E2 two sides is S3, S4, the 3rd lens E3 two sides is S5, S6, and the 4th lens E4 two sides is S7, S8, and the 5th lens E5 two sides is S9, S10, optical filter two sides is S11, S12, and optical lens face is S13.
TTL=3.765；f1=-9.22；f2=1.95；f3=-9.61；f4=2.25；f5=-1.40；f=3.10；
f1.2/f3=-0.27；f/TTL=0.823。
Wherein, f1.2 is the combined focal length of the 1.2nd lens; F3 is the focal length of the 3rd lens; F is the focal length of whole camera lens; TTL be the thing side surface of first lens to imaging surface the distance on optical axis.
Systematic parameter: 1/4 " sensor devices f-number 1.98
Table 5
| Surface type | Radius-of-curvature | Thickness | Material | Effective aperture | Circular cone coefficient |
| Sphere | Infinite | Infinite | |||
| Aspheric surface | 1.6706 | 0.2500 | 1.635/23.78 | 1.5664 | -2.8487 |
| Aspheric surface | 1.2243 | 0.0300 | 1.6322 | -1.1868 | |
| Aspheric surface | 1.8292 | 0.5619 | 1.544/56.11 | 1.6100 | 0.5107 |
| Aspheric surface | -2.2432 | 0.1310 | 1.7261 | -0.4792 | |
| Aspheric surface | 2.4247 | 0.2500 | 1.635/23.78 | 1.7731 | 3.4660 |
| Aspheric surface | 1.6661 | 0.6296 | 1.8640 | -6.8770 | |
| Aspheric surface | -38.7338 | 0.5393 | 1.544/56.11 | 2.2528 | 0.0000 |
| Aspheric surface | -1.1926 | 0.1625 | 2.6881 | -12.9592 | |
| Aspheric surface | -2.9635 | 0.3497 | 1.544/56.11 | 2.7361 | -51.0823 |
| Aspheric surface | 1.0639 | 0.2141 | 3.8156 | -9.4947 | |
| Sphere | Infinite | 0.3000 | 1.517/64.17 | 4.2537 | |
| Sphere | Infinite | 0.3465 | 4.4299 | ||
| Sphere | Infinite | 4.7961 |
Following table is aspheric surface high-order term coefficient A4, A6, A8, A10, A12, A14, the A16 of non-spherical lens:
Table 6
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 |
| 1 | -1.738E-01 | -2.760E-01 | 3.257E-01 | -1.627E-01 | 4.601E-02 | 0 | 0 |
| 2 | -6.084E-02 | -6.298E-01 | 6.999E-01 | -3.637E-01 | 7.555E-02 | 0 | 0 |
| 3 | 1.682E-01 | -2.363E-01 | -1.968E-01 | 9.923E-01 | -8.351E-01 | 0 | 0 |
| 4 | 3.992E-02 | 1.991E-02 | 2.389E-01 | 1.304E-01 | -5.294E-01 | 0 | 0 |
| 5 | -6.755E-02 | 1.149E-01 | 3.851E-03 | -3.240E-01 | 2.582E-02 | 3.699E-01 | -4.901E-01 |
| 6 | 9.493E-02 | 1.368E-02 | 2.122E-02 | 8.381E-02 | -7.838E-02 | -5.316E-01 | 4.929E-01 |
| 7 | 9.426E-02 | -3.733E-01 | 5.226E-01 | -2.906E-01 | -1.696E-01 | 2.369E-01 | -7.293E-02 |
| 8 | -1.574E-01 | 7.473E-02 | 4.183E-02 | 3.614E-02 | -3.370E-02 | -2.077E-02 | 1.087E-02 |
In embodiment 4, as shown in figure 16, described optical lens is by thing side to sequentially comprising first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, optical filter and optical lens as side, and described first lens E1 has negative power, and its thing side is convex surface; Described the second lens E2 has positive light coke, and its thing side is convex surface; Described the 5th lens E5 has negative power, and it is concave surface as side, and the thing side of the 5th lens E5 or as having a point of inflexion on side surface at least; It is aspheric surface that described camera lens has a face at least, between object and the second eyeglass, is provided with diaphragm.
By thing side, to picture side, described first lens E1 two sides is S1, S2, and the second lens E2 two sides is S3, S4, the 3rd lens E3 two sides is S5, S6, and the 4th lens E4 two sides is S7, S8, and the 5th lens E5 two sides is S9, S10, optical filter two sides is S11, S12, and optical lens face is S13.
TTL=3.766；f1=-35.45；f2=2.23；f3=-7.63；f4=4.28；f5=-2.38；f=3.17；
f1.2/f3=-0.33；
f/TTL=0.842。
Wherein, f1.2 is the combined focal length of the 1.2nd lens; F3 is the focal length of the 3rd lens; F is the focal length of whole camera lens; TTL be the thing side surface of first lens to imaging surface the distance on optical axis.
Systematic parameter: 1/4 " sensor devices f-number 2.02
Table 7
| Surface type | Radius-of-curvature | Thickness | Material | Effective aperture | Circular cone coefficient |
| Sphere | Infinite | Infinite | |||
| Aspheric surface | 1.4398 | 0.2500 | 1.635/23.78 | 1.5664 | -1.6197 |
| Aspheric surface | 1.2620 | 0.0306 | 1.5812 | -0.2285 | |
| Aspheric surface | 1.5048 | 0.5631 | 1.544/56.11 | 1.5600 | 1.4213 |
| Aspheric surface | -5.3936 | 0.0597 | 1.6261 | -11.1470 | |
| Aspheric surface | -12.9232 | 0.2500 | 1.635/23.78 | 1.6165 | -93.9046 |
| Aspheric surface | 7.8157 | 0.4807 | 1.6949 | -99.9900 | |
| Aspheric surface | -4.7589 | 0.4548 | 1.544/56.11 | 1.8447 | 0.0000 |
| Aspheric surface | -1.6174 | 0.4178 | 2.1744 | 0.3610 | |
| Aspheric surface | 2.1291 | 0.3499 | 1.544/56.11 | 2.7315 | -51.0760 |
| Aspheric surface | 0.7592 | 0.2141 | 3.7943 | -6.9042 | |
| Sphere | Infinite | 0.3000 | 1.517/64.17 | 4.2299 | |
| Sphere | Infinite | 0.3954 | 4.4240 | ||
| Sphere | Infinite | 4.9647 |
Following table is aspheric surface high-order term coefficient A4, A6, A8, A10, A12, A14, the A16 of non-spherical lens:
Table 8
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 |
| 1 | -5.947E-02 | -1.711E-01 | 2.412E-01 | -4.711E-01 | 2.668 |
0 | 0 |
| 2 | -4.422E-02 | -6.268E-01 | 4.878E-01 | -1.804E-01 | 2.624E-02 | 0 | 0 |
| 3 | 8.197E-02 | -4.106E-01 | -8.729E-02 | 1.098E+00 | -9.508E-01 | 0 | 0 |
| 4 | -2.045E-01 | 2.801E-02 | 2.288E-01 | 2.443E-01 | -5.770E-01 | 0 | 0 |
| 5 | -3.567E-01 | -6.649E-02 | 4.986E-01 | -1.477E-01 | 2.385E-01 | -1.269E+00 | 9.599E-01 |
| 6 | -1.280E-01 | -5.099E-02 | 1.468E-01 | 2.017E-01 | 1.460E-03 | -7.738E-01 | 8.447E-01 |
| 7 | -4.183E-02 | -2.874E-01 | 2.783E-01 | -4.455E-01 | -1.181E-01 | 7.543E-01 | -4.011E-01 |
| 8 | -5.607E-02 | 2.036E-01 | -3.235E-01 | 8.395E-02 | 1.382E-01 | -1.429E-02 | -2.654E-02 |
In embodiment 5, as shown in figure 21, described optical lens is by thing side to sequentially comprising first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, optical filter and optical lens as side, and described first lens E1 has negative power, and its thing side is convex surface; Described the second lens E2 has positive light coke, and its thing side is convex surface; Described the 5th lens E5 has negative power, and it is concave surface as side, and the thing side of the 5th lens E5 or as having a point of inflexion on side surface at least; It is aspheric surface that described camera lens has a face at least, between object and the second eyeglass, is provided with diaphragm.
By thing side, to picture side, described first lens E1 two sides is S1, S2, and the second lens E2 two sides is S3, S4, the 3rd lens E3 two sides is S5, S6, and the 4th lens E4 two sides is S7, S8, and the 5th lens E5 two sides is S9, S10, optical filter two sides is S11, S12, and optical lens face is S13.
TTL=3.764；f1=-6.34；f2=2.03；f3=208.74；f4=2.74；f5=-1.63；f=3.22；
f1.2/f3=0.02；
f/TTL=0.855。
Wherein, f1.2 is the combined focal length of the 1.2nd lens; F3 is the focal length of the 3rd lens; F is the focal length of whole camera lens; TTL be the thing side surface of first lens to imaging surface the distance on optical axis.
Systematic parameter: 1/4 " sensor devices f-number 2.05
Table 9
| Surface type | Radius-of-curvature | Thickness | Material | Effective aperture | Circular cone coefficient |
| Sphere | Infinite | Infinite | |||
| Aspheric surface | 1.4438 | 0.2500 | 1.635/23.78 | 1.5664 | 0.7247 |
| Aspheric surface | 0.9914 | 0.0300 | 1.5751 | -5.1322 | |
| Aspheric surface | 1.0372 | 0.6059 | 1.544/56.11 | 1.5600 | -4.0577 |
| Aspheric surface | 13.6202 | 0.0960 | 1.6799 | -99.2393 | |
| Aspheric surface | 8.0815 | 0.2515 | 1.635/23.78 | 1.6681 | -99.9900 |
| Aspheric surface | 8.5018 | 0.5645 | 1.6825 | -99.2523 | |
| Aspheric surface | -10.0296 | 0.4798 | 1.544/56.11 | 2.0049 | 0.0000 |
| Aspheric surface | -1.3195 | 0.2696 | 2.4342 | -6.9415 | |
| Aspheric surface | -3.4100 | 0.3498 | 1.544/56.11 | 2.7807 | -51.0825 |
| Aspheric surface | 1.2403 | 0.2141 | 3.8285 | -11.0964 | |
| Sphere | Infinite | 0.3000 | 1.517/64.17 | 4.2917 | |
| Sphere | Infinite | 0.3523 | 4.4798 | ||
| Sphere | Infinite | 4.8163 |
Following table is aspheric surface high-order term coefficient A4, A6, A8, A10, A12, A14, the A16 of non-spherical lens:
Table 10
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 |
| 1 | -2.055E-01 | 9.861E-03 | -1.530E-01 | 6.573E-02 | -8.192E-03 | 0 | 0 |
| 2 | 1.560E-01 | -6.195E-01 | 6.930E-01 | -6.287E-01 | 3.889 |
0 | 0 |
| 3 | 1.528E-01 | -7.887E-02 | -3.015E-01 | 7.641E-01 | -6.562E-01 | 0 | 0 |
| 4 | -2.885E-01 | 8.158E-02 | 5.959E-02 | -2.808E-01 | 1.582 |
0 | 0 |
| 5 | -4.538E-01 | -1.650E-02 | 2.185E-01 | 4.899E-01 | 5.806E-01 | -2.164E+00 | 1.345E+00 |
| 6 | -1.953E-01 | 1.441E-03 | 1.958E-01 | 4.874E-01 | -3.846E-03 | -9.395E-01 | 8.433E-01 |
| 7 | 7.113E-02 | -3.743E-01 | 6.391E-02 | 1.646E-01 | -3.449E-01 | 1.630E-01 | 3.556E-02 |
| 8 | 1.103E-01 | -2.421E-01 | -7.670E-02 | 1.958E-01 | -5.367E-02 | -5.625E-03 | 1.930E-03 |
In embodiment 6, as shown in figure 26, described optical lens is by thing side to sequentially comprising first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, optical filter and optical lens as side, and described first lens E1 has negative power, and its thing side is convex surface; Described the second lens E2 has positive light coke, and its thing side is convex surface; Described the 5th lens E5 has negative power, and it is concave surface as side, and the thing side of the 5th lens E5 or as having a point of inflexion on side surface at least; It is aspheric surface that described camera lens has a face at least, between object and the second eyeglass, is provided with diaphragm.
By thing side, to picture side, described first lens E1 two sides is S1, S2, and the second lens E2 two sides is S3, S4, the 3rd lens E3 two sides is S5, S6, and the 4th lens E4 two sides is S7, S8, and the 5th lens E5 two sides is S9, S10, optical filter two sides is S11, S12, and optical lens face is S13.
TTL=3.74；f1=-168.40；f2=2.30；f3=-7.07；f4=1.86；f5=-1.42；f=3.0；
f1.2/f3=-0.35；
f/TTL=0.803。
Wherein, f1.2 is the combined focal length of the 1.2nd lens; F3 is the focal length of the 3rd lens; F is the focal length of whole camera lens; TTL be the thing side surface of first lens to imaging surface the distance on optical axis.
Systematic parameter: 1/4 " sensor devices f-number 2.05
Table 11
| Surface type | Radius-of-curvature | Thickness | Material | Effective aperture | Circular cone coefficient |
| Sphere | Infinite | Infinite | |||
| Aspheric surface | 1.3350 | 0.2813 | 1.544/56.11 | 1.4641 | -0.8218 |
| Aspheric surface | 1.2180 | 0.0623 | 1.5125 | -2.4685 | |
| Aspheric surface | 1.5276 | 0.4658 | 1.544/56.11 | 1.4800 | 0.0000 |
| Aspheric surface | -6.2917 | 0.0291 | 1.6427 | -123.0009 | |
| Aspheric surface | -31.2949 | 0.2089 | 1.639/23.29 | 1.6610 | -4516.2264 |
| Aspheric surface | 5.3594 | 0.5893 | 1.7325 | 6.6742 | |
| Aspheric surface | -5.7180 | 0.6045 | 1.544/56.11 | 1.8691 | -25.9711 |
| Aspheric surface | -0.8966 | 0.3320 | 2.3439 | -0.9999 | |
| Aspheric surface | -1.2647 | 0.2680 | 1.544/56.11 | 2.9876 | -0.5023 |
| Aspheric surface | 2.1771 | 0.1665 | 3.8278 | -19.0307 | |
| Sphere | Infinite | 0.3000 | 1.517/64.17 | 4.1094 | |
| Sphere | Infinite | 0.4323 | 4.3017 | ||
| Sphere | Infinite | 4.8731 |
Following table is aspheric surface high-order term coefficient A4, A6, A8, A10, A12, A14, the A16 of non-spherical lens:
Table 12
| A4 | A6 | A8 | A10 | A12 | A14 | A16 |
| -9.2051E-02 | 1.3658E-02 | -1.4532E-01 | 2.5521E-01 | -3.8528E-01 | 0 | 0 |
| -1.0152E-01 | -1.7816E-01 | -2.2626E-01 | -2.0137E-01 | 2.1238 |
0 | 0 |
| -1.1252E-01 | -1.4891E-01 | -2.6351E-01 | -2.3700E-01 | -4.4999E-02 | 0 | 0 |
| -4.7289E-01 | 5.3543E-01 | -4.5784E-01 | -2.0133E-01 | 3.2055 |
0 | 0 |
| -5.2443E-01 | 5.6856E-01 | -7.5486E-01 | 3.2843E+00 | -9.0647E+00 | 1.2132E+01 | -5.8624E+00 |
| -1.5536E-01 | 8.1428E-02 | -1.5817E-01 | 8.5899E-01 | -1.7939E+00 | 1.6186E+00 | -4.2677E-01 |
| -1.1859E-01 | -2.0083E-01 | 1.1954E+00 | -3.8918E+00 | 5.2843E+00 | -3.2723E+00 | 3.7759E-01 |
| 3.8438E-01 | -6.7008E-01 | 1.2713E+00 | -1.9471E+00 | 1.7356E+00 | -8.2882E-01 | 1.7104E-01 |
| 5.7781E-01 | -9.6487E-01 | 1.0548E+00 | -7.5391E-01 | 3.5373E-01 | -9.6353E-02 | 1.1265E-02 |
| 8.0404E-02 | -2.1365E-01 | 1.8949E-01 | -9.6109E-02 | 2.8370E-02 | -4.5150E-03 | 2.9717E-04 |
By chromaticity difference diagram, astigmatism figure, distortion figure and ratio chromatism, figure on the axle of each embodiment, can find out and the utlity model has good optical property.
Although described principle of the present utility model and embodiment for micro pick-up lens above; but under above-mentioned instruction of the present utility model; those skilled in the art can carry out various improvement and distortion on the basis of above-described embodiment, and these improvement or distortion all drop in protection domain of the present utility model.It will be understood by those skilled in the art that specific descriptions are above in order to explain the purpose of this utility model, and not for limiting the utility model, protection domain of the present utility model is limited by claim and equivalent thereof.
Claims (4)
1. a micro pick-up lens, is characterized in that: described camera lens is by thing side to sequentially comprising first lens, the second lens, the 3rd lens, the 4th lens and the 5th lens as side, and described first lens has negative power, and its thing side is convex surface; Described the second lens have positive light coke, and its thing side is convex surface; Described the 5th lens have negative power, and it is concave surface as side, and the thing side of the 5th lens or as having a point of inflexion on side surface at least; Described camera lens meets following relationship:
-0.36<f1.2/f3<3.0
Wherein, f1.2 is the combined focal length of the 1.2nd lens; F3 is the focal length of the 3rd lens.
2. micro pick-up lens according to claim 1, is characterized in that: described camera lens meets following relationship:
0.8≦f/TTL
Wherein, the focal length that f is whole camera lens; TTL be the thing side surface of first lens to imaging surface the distance on optical axis.
3. micro pick-up lens according to claim 1, is characterized in that: it is aspheric surface that described camera lens has a face at least.
4. micro pick-up lens according to claim 1, is characterized in that: between object and the second eyeglass, be provided with diaphragm.
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| CN201320681217.4U CN203606559U (en) | 2013-10-30 | 2013-10-30 | Mini-size imaging lens |
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| CN103592743A (en) * | 2013-10-30 | 2014-02-19 | 浙江舜宇光学有限公司 | Mini-type pick-up lens |
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| CN103592743B (en) * | 2013-10-30 | 2015-12-09 | 浙江舜宇光学有限公司 | micro pick-up lens |
| CN103592743A (en) * | 2013-10-30 | 2014-02-19 | 浙江舜宇光学有限公司 | Mini-type pick-up lens |
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| US9223114B2 (en) | 2013-11-08 | 2015-12-29 | Largan Precision Co., Ltd. | Optical photographing lens assembly, image capturing device and mobile terminal |
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| US12038566B2 (en) | 2013-11-08 | 2024-07-16 | Largan Precision Co., Ltd. | Optical photographing lens assembly, image capturing device and mobile terminal |
| US9823450B2 (en) | 2015-08-28 | 2017-11-21 | Ability Opto-Electronics Technology Co., Ltd. | Optical image capturing system |
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| CN109425954A (en) * | 2017-08-22 | 2019-03-05 | 玉晶光电(厦门)有限公司 | Optical imaging lens |
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