CN105988187B - Pick-up lens - Google Patents
Pick-up lens Download PDFInfo
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- CN105988187B CN105988187B CN201510422637.4A CN201510422637A CN105988187B CN 105988187 B CN105988187 B CN 105988187B CN 201510422637 A CN201510422637 A CN 201510422637A CN 105988187 B CN105988187 B CN 105988187B
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Abstract
The invention discloses a kind of pick-up lens, successively include: the first lens with positive refracting power by object side to image side, and the object side of first lens is convex surface；The second lens with negative refracting power, the image side surface of second lens are concave surface；The third lens with negative refracting power；The 4th lens with refracting power；The 5th lens with positive refracting power, the image side surface of the 5th lens is concave surface or plane at paraxial place, and off-axis place has an at least convex surface；The 6th lens with negative refracting power.The 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 the 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.While meeting the pick-up lens of above-mentioned configuration and advantageously ensure that high resolution, periphery relative illumination is promoted；And the whole focal power of pick-up lens is relatively forward, effectively reduces pick-up lens size, guarantees the miniaturization of pick-up lens.
Description
Technical field
The present invention relates to field of photography, more specifically, are related to a kind of pick-up lens.
Background technique
The photosensitive element of general optical system is photosensitive coupling element (CCD) or Complimentary Metal-Oxide semiconductor element
(CMOS) two kinds.With progressing greatly for manufacture of semiconductor technology, the Pixel Dimensions of photosensitive element constantly reduce, corresponding optical system
Also tend to the performances such as high resolution and high-quality.
Five previous chip camera lenses can no longer meet demand of the market to high-quality, in small-bore configuration, camera lens
Image quality is effectively improved, while maintaining the characteristic of miniaturization, but also needs further to promote the property such as pixel and resolving power
Energy.In order to meet the needs of high resolution, need using bigbore configuration, just it is able to satisfy the demand of illumination, and known five
Slice structure will be unable to further shorten system length under bigbore configuration, meet image quality requirement.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention needs to provide one
Kind pick-up lens.
A kind of pick-up lens successively includes: by object side to image side
The first lens with positive refracting power, the object side of first lens are convex surface；
The second lens with negative refracting power, the image side surface of second lens are concave surface；
The third lens with negative refracting power；
The 4th lens with refracting power；
The 5th lens with positive refracting power, the image side surface of the 5th lens are concave surface or plane at paraxial place, and off-axis
Place has an at least convex surface；
The 6th lens with negative refracting power；
The pick-up lens meets following relationship:
0.5≤f/f5 < 1.5；
- 1.6 < -0.7 < f/f6,
Wherein, f is the effective focal length of the pick-up lens, and f5 is the effective focal length of the 5th lens, and f6 is the 6th lens
Effective focal length.
While meeting the pick-up lens of above-mentioned configuration and advantageously ensure that high resolution, periphery relative illumination is promoted；And it takes the photograph
As the whole focal power of camera lens is relatively forward, pick-up lens size is effectively reduced, guarantees the miniaturization of pick-up lens.
In one embodiment, which meets following relationship:
0.6 < SD62/ImgH < 0.9, wherein SD62 be the 6th lens image side surface effective radius, ImgH be at
The half of the catercorner length of effective pixel area in image planes.
In one embodiment, which meets following relationship:
5.0 < f/CT1 < 6.5, wherein f is the effective focal length of the pick-up lens, and CT1 is that the center of first lens is thick
Degree.
In one embodiment, which meets following relationship:
1.4 < f2/f6 < 2.3, wherein f2 is the effective focal length of second lens, and f6 is effective coke of the 6th lens
Away from.
In one embodiment, which meets following relationship:
0.5 < | R5/R6 |≤2.0, wherein R5 is the radius of curvature of the object side of the third lens, and R6 is that the third is saturating
The radius of curvature of the image side surface of mirror.
In one embodiment, which meets following relationship:
TTL/ImgH < 1.7, wherein TTL is the lens overall length of the pick-up lens, and ImgH is effective pixel region on imaging surface
The half of the catercorner length in domain.
In one embodiment, the object side of second lens is convex surface, and the object side of the 5th lens is at paraxial place
For convex surface.
In one embodiment, the object side of the 4th lens is concave surface, the image side surface of the 4th lens at paraxial place
It is convex surface at paraxial place.
In one embodiment, the image side surface of the 6th lens is concave surface at paraxial place.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect and advantage of the invention is from combining in description of the following accompanying drawings to embodiment by change
It obtains obviously and is readily appreciated that, in which:
Fig. 1 is the structural schematic diagram of 1 pick-up lens of embodiment；
Fig. 2 is chromaticity difference diagram (mm) on the axis of 1 pick-up lens of embodiment；
Fig. 3 is the astigmatism figure (mm) of 1 pick-up lens of embodiment；
Fig. 4 is the distortion figure (%) of 1 pick-up lens of embodiment；
Fig. 5 is the magnification chromatic aberration diagram (um) of 1 pick-up lens of embodiment；
Fig. 6 is the structural schematic diagram of 2 pick-up lens of embodiment；
Fig. 7 is chromaticity difference diagram (mm) on the axis of 2 pick-up lens of embodiment；
Fig. 8 is the astigmatism figure (mm) of 2 pick-up lens of embodiment；
Fig. 9 is the distortion figure (%) of 2 pick-up lens of embodiment；
Figure 10 is the magnification chromatic aberration diagram (um) of 2 pick-up lens of embodiment；
Figure 11 is the structural schematic diagram of 3 pick-up lens of embodiment；
Figure 12 is chromaticity difference diagram (mm) on the axis of 3 pick-up lens of embodiment；
Figure 13 is the astigmatism figure (mm) of 3 pick-up lens of embodiment；
Figure 14 is the distortion figure (%) of 3 pick-up lens of embodiment；
Figure 15 is the magnification chromatic aberration diagram (um) of 3 pick-up lens of embodiment；
Figure 16 is the structural schematic diagram of 4 pick-up lens of embodiment；
Figure 17 is chromaticity difference diagram (mm) on the axis of 4 pick-up lens of embodiment；
Figure 18 is the astigmatism figure (mm) of 4 pick-up lens of embodiment；
Figure 19 is the distortion figure (%) of 4 pick-up lens of embodiment；
Figure 20 is the magnification chromatic aberration diagram (um) of 4 pick-up lens of embodiment；
Figure 21 is the structural schematic diagram of 5 pick-up lens of embodiment；
Figure 22 is chromaticity difference diagram (mm) on the axis of 5 pick-up lens of embodiment；
Figure 23 is the astigmatism figure (mm) of 5 pick-up lens of embodiment；
Figure 24 is the distortion figure (%) of 5 pick-up lens of embodiment；
Figure 25 is the magnification chromatic aberration diagram (um) of 5 pick-up lens of embodiment；
Figure 26 is the structural schematic diagram of 6 pick-up lens of embodiment；
Figure 27 is chromaticity difference diagram (mm) on the axis of 6 pick-up lens of embodiment；
Figure 28 is the astigmatism figure (mm) of 6 pick-up lens of embodiment；
Figure 29 is the distortion figure (%) of 6 pick-up lens of embodiment；
Figure 30 is the magnification chromatic aberration diagram (um) of 6 pick-up lens of embodiment；
Figure 31 is the schematic diagram of 7 pick-up lens of embodiment；
Figure 32 is chromaticity difference diagram (mm) on the axis of 7 pick-up lens of embodiment；
Figure 33 is the astigmatism figure (mm) of 7 pick-up lens of embodiment；
Figure 34 is the distortion figure (%) of 7 pick-up lens of embodiment；
Figure 35 is the magnification chromatic aberration diagram (um) of 7 pick-up lens of embodiment；
Figure 36 is the structural schematic diagram of 8 pick-up lens of embodiment；
Figure 37 is chromaticity difference diagram (mm) on the axis of 8 pick-up lens of embodiment；
Figure 38 is the astigmatism figure (mm) of 8 pick-up lens of embodiment；
Figure 39 is the distortion figure (%) of 8 pick-up lens of embodiment；
Figure 40 is the magnification chromatic aberration diagram (um) of 8 pick-up lens of embodiment.
Specific embodiment
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " first ", " second " are used for description purposes only, and cannot
It is interpreted as indication or suggestion relative importance or implicitly indicates the quantity of indicated technical characteristic.Define as a result, " the
The feature of one ", " second " can explicitly or implicitly include one or more feature.In description of the invention
In, " multiple " are meant that two or more, unless otherwise specifically defined.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected or can be in communication with each other；It can be directly connected, it can also be by between intermediary
It connects connected, can be the connection inside two elements or the interaction relationship of two elements.For the ordinary skill of this field
For personnel, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
Following disclosure provides many different embodiments or example is used to realize different structure of the invention.In order to
Simplify disclosure of the invention, hereinafter to the component of specific examples and being set for describing.Certainly, they are merely examples, and
And it is not intended to limit the present invention.In addition, the present invention can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, itself not indicate between discussed various embodiments and/or setting
Relationship.In addition, the present invention provides various specific techniques and material example, but those of ordinary skill in the art can be with
Recognize the application of other techniques and/or the use of other materials.
Referring to Fig. 1, the pick-up lens of better embodiment of the present invention, successively includes: by object side to image side
The object side S1 of the first lens E1, the first lens E1 with positive refracting power is convex surface；
The image side surface S4 of the second lens E2, the second lens E2 with negative refracting power is concave surface；
The third lens E3 with negative refracting power；
The 4th lens E4 with refracting power；
The paraxial place image side surface S10 of the 5th lens E5 with positive refracting power, the 5th lens E5 be concave surface or plane, and from
There is an at least convex surface at axis；
The 6th lens E6 with 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 of the 6th lens
Focal length.
While meeting the pick-up lens of above-mentioned configuration and advantageously ensure that high resolution, periphery relative illumination is promoted；And it takes the photograph
Picture camera lens entirety focal power is relatively forward, effectively reduces pick-up lens size, guarantees the miniaturization of pick-up lens.4th lens E4
Refracting power positive and negative be ok.
Preferably, pick-up lens meets following relationship: 0.6 < SD62/ImgH < 0.9；
Wherein, SD62 is the effective radius of the image side surface of the 6th lens, and ImgH is pair of effective pixel area on imaging surface
The half of diagonal length.
The pick-up lens for meeting above formula requirement is conducive to reduce effective clear aperture of the 6th lens, to reduce camera lens
Area of bed；And rim ray converges on the 6th lens, can reduce incident angle of the light on sensitive chip, effectively correct from
Axial 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 for meeting above formula requirement advantageously ensures that the miniaturization of pick-up lens, further shortens pick-up lens
Total length.
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 for 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 object side of the third lens, and R6 is the radius of curvature of the image side surface of the third lens.
The pick-up lens for meeting above formula requirement can make lens thickness relatively well-balanced, so that center is compared to edge entirety image quality
Uniformly, be conducive to lens molding.
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 catercorner length of effective pixel area on imaging surface
Half.
The pick-up lens for meeting above formula requirement is conducive to the total length of the pick-up lens shortened, guarantees the small-sized of pick-up lens
Change.
The object side S3 of second lens E2 of pick-up lens is convex surface, and the object side S9 of the 5th lens E5 is convex at paraxial place
Face.
The object side S7 of 4th lens E4 of pick-up lens is concave surface at paraxial place, and the image side surface S8 of the 4th lens E4 is close
It is convex surface at axis.
The image side surface S12 of the 6th lens E6 is concave surface at paraxial place in pick-up lens.
Meeting the above requirement to lens shape, pick-up lens can further promote the relative illumination at pick-up lens edge,
Improve the resolving power of pick-up lens；The center thickness of each lens is relatively uniform simultaneously, makes pick-up lens structure relative compact, has
Technique is found conducive to organizing.
When imaging, light is after six-element lens after the optical filter E7 with object side surface S13 and image side surface S14
Image in imaging surface S15.
In some embodiments, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens
E5 and the 6th lens E6 is non-spherical lens.
Aspherical face shape is determined by following formula:
Wherein, h is height of the aspherical any point to optical axis, and c is vertex curvature, and k is conic constants, and Ai is aspherical
The correction factor of i-th-th rank.
Embodiment 1
Incorporated by reference to FIG. 1 to FIG. 5, in embodiment 1, pick-up lens meets the condition of following table 1 and table 2:
Table 1
| Surface number | Surface type | Radius of curvature | Thickness | Refractive index/Abbe number | Circular cone coefficient |
| OBJ | Spherical surface | It is infinite | It is infinite | -- | -- |
| STO | Spherical surface | It is infinite | -0.4584 | -- | -- |
| S1 | It is aspherical | 1.8681 | 0.8162 | 1.544/56.11 | -1.2391 |
| S2 | It is aspherical | -102.5760 | 0.0527 | -- | -7.2605 |
| S3 | It is aspherical | 59.9633 | 0.2502 | 1.651/21.52 | -1.0000 |
| S4 | It is aspherical | 3.8299 | 0.4933 | -- | -25.2865 |
| S5 | It is aspherical | 11.3187 | 0.3007 | 1.651/21.52 | -23.4035 |
| S6 | It is aspherical | 9.7562 | 0.1398 | -- | -1.0001 |
| S7 | It is aspherical | -12.7513 | 0.6739 | 1.544/56.11 | -99.0000 |
| S8 | It is aspherical | -14.5140 | 0.3276 | -- | -1.9122 |
| S9 | It is aspherical | 2.3572 | 0.4614 | 1.544/56.11 | -2.5237 |
| S10 | It is aspherical | 61.4244 | 0.7374 | -- | -12.1116 |
| S11 | It is aspherical | -6.0423 | 0.3500 | 1.544/56.11 | -37.5073 |
| S12 | It is aspherical | 2.4229 | 0.1810 | -- | -16.4738 |
| S13 | Spherical surface | It is infinite | 0.2100 | 1.517/64.17 | -- |
| S14 | Spherical surface | It is infinite | 0.4757 | -- | -- |
| S15 | Spherical surface | It is 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 following table 3 and table 4:
Table 3
| Surface number | Surface type | Radius of curvature | Thickness | Refractive index/Abbe number | Circular cone coefficient |
| OBJ | Spherical surface | It is infinite | It is infinite | -- | -- |
| STO | Spherical surface | It is infinite | -0.4676 | -- | -- |
| S1 | It is aspherical | 1.7460 | 0.8179 | 1.544/56.11 | -1.1083 |
| S2 | It is aspherical | -89.5196 | 0.0372 | -- | -55.6645 |
| S3 | It is aspherical | 80.6916 | 0.2500 | 1.651/21.52 | -99.0000 |
| S4 | It is aspherical | 3.6942 | 0.4326 | -23.9215 | |
| S5 | It is aspherical | 10.8085 | 0.3000 | 1.651/21.52 | -1.3144 |
| S6 | It is aspherical | 10.3488 | 0.1306 | -- | -3.2348 |
| S7 | It is aspherical | -10.8907 | 0.5212 | 1.544/56.11 | -99.0000 |
| S8 | It is aspherical | -29.8181 | 0.3021 | -- | -99.0000 |
| S9 | It is aspherical | 2.6751 | 0.5256 | 1.544/56.11 | -2.9280 |
| S10 | It is aspherical | 1000.4277 | 0.6174 | -- | -12.1299 |
| S11 | It is aspherical | 3.5359 | 0.3500 | 1.544/56.11 | -99.0000 |
| S12 | It is aspherical | 1.1886 | 0.2009 | -- | -9.0333 |
| S13 | Spherical surface | It is infinite | 0.2100 | 1.517/64.17 | -- |
| S14 | Spherical surface | It is infinite | 0.5045 | -- | -- |
| S15 | Spherical surface | It is 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 following table 5 and table 6:
Table 5
| Surface number | Surface type | Radius of curvature | Thickness | Refractive index/Abbe number | Circular cone coefficient |
| OBJ | Spherical surface | It is infinite | It is infinite | -- | -- |
| STO | Spherical surface | It is infinite | -0.3383 | -- | -- |
| S1 | It is aspherical | 1.3580 | 0.5954 | 1.544/56.11 | -1.0151 |
| S2 | It is aspherical | -446.5590 | 0.0300 | -- | -55.6645 |
| S3 | It is aspherical | 41.8391 | 0.2000 | 1.651/21.52 | -99.0000 |
| S4 | It is aspherical | 2.8024 | 0.3134 | -- | -23.9215 |
| S5 | It is aspherical | 9.0935 | 0.2300 | 1.651/21.52 | -1.3144 |
| S6 | It is aspherical | 8.7597 | 0.1260 | -- | -3.2348 |
| S7 | It is aspherical | -6.5853 | 0.4116 | 1.544/56.11 | -99.0000 |
| S8 | It is aspherical | -9.9896 | 0.2784 | -- | -99.0000 |
| S9 | It is aspherical | 2.4389 | 0.4035 | 1.544/56.11 | -3.8946 |
| S10 | It is aspherical | 1000.9907 | 0.5059 | -- | -12.1299 |
| S11 | It is aspherical | 2.9692 | 0.2838 | 1.544/56.11 | -99.0000 |
| S12 | It is aspherical | 1.0055 | 0.1516 | -- | -9.0333 |
| S13 | Spherical surface | It is infinite | 0.2100 | 1.517/64.17 | -- |
| S14 | Spherical surface | It is infinite | 0.4796 | -- | -- |
| S15 | Spherical surface | It is 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 following table 7 and table 8:
Table 7
| Surface number | Surface type | Radius of curvature | Thickness | Refractive index/Abbe number | Circular cone coefficient |
| OBJ | Spherical surface | It is infinite | It is infinite | -- | -- |
| STO | Spherical surface | It is infinite | -0.3522 | -- | -- |
| S1 | It is aspherical | 1.3412 | 0.6129 | 1.544/56.11 | -1.0000 |
| S2 | It is aspherical | 421.4674 | 0.0308 | -55.6645 | |
| S3 | It is aspherical | 78.0121 | 0.2000 | 1.651/21.52 | -99.0000 |
| S4 | It is aspherical | 2.8607 | 0.3165 | -- | -23.9215 |
| S5 | It is aspherical | 7.1996 | 0.2415 | 1.651/21.52 | -5.0468 |
| S6 | It is aspherical | 6.9525 | 0.1261 | -- | -22.6905 |
| S7 | It is aspherical | -4.8841 | 0.4330 | 1.544/56.11 | -161.5850 |
| S8 | It is aspherical | -3.3028 | 0.3324 | -- | -110.8289 |
| S9 | It is aspherical | 4.0389 | 0.3725 | 1.544/56.11 | -1.1101 |
| S10 | It is aspherical | 998.92 53 | 0.4111 | -- | -12.1299 |
| S11 | It is aspherical | 3.6622 | 0.3167 | 1.544/56.11 | -113.9594 |
| S12 | It is aspherical | 1.0719 | 0.1571 | -- | -8.8002 |
| S13 | Spherical surface | It is infinite | 0.2100 | 1.517/64.17 | -- |
| S14 | Spherical surface | It is infinite | 0.4682 | -- | -- |
| S15 | Spherical surface | It is infinite | -- | -- | -- |
Table 8
In addition, f1=2.46mm；F2=-4.53mm；F3=-503.6mm；F4=17.04m m；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 following table 9 and table 10:
Table 9
| Surface number | Surface type | Radius of curvature | Thickness | Refractive index/Abbe number | Circular cone coefficient |
| OBJ | Spherical surface | It is infinite | It is infinite | -- | -- |
| STO | Spherical surface | It is infinite | -0.2963 | -- | -- |
| S1 | It is aspherical | 1.3527 | 0.6074 | 1.544/56.11 | -1.0218 |
| S2 | It is aspherical | -2104.4031 | 0.0316 | -- | -470.8883 |
| S3 | It is aspherical | 46.7871 | 0.2000 | 1.651/21.52 | 54.4625 |
| S4 | It is aspherical | 2.8417 | 0.3176 | -- | -24.0117 |
| S5 | It is aspherical | 8.6071 | 0.2416 | 1.651/21.52 | 0.0541 |
| S6 | It is aspherical | 7.9834 | 0.1254 | -- | -16.0913 |
| S7 | It is aspherical | -4.9182 | 0.4388 | 1.544/56.11 | -134.4598 |
| S8 | It is aspherical | -3.8539 | 0.3133 | -- | -104.4106 |
| S9 | It is aspherical | 3.3653 | 0.3886 | 1.544/56.11 | -1.8001 |
| S10 | It is aspherical | It is infinite | 0.4470 | -- | 94.9980 |
| S11 | It is aspherical | 3.2288 | 0.2880 | 1.544/56.11 | -108.4886 |
| S12 | It is aspherical | 1.0394 | 0.1658 | -- | -8.9519 |
| S13 | Spherical surface | It is infinite | 0.2100 | 1.517/64.17 | -- |
| S14 | Spherical surface | It is infinite | 0.4675 | -- -- | |
| S15 | Spherical surface | It is 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 following table 11 and table 12:
Table 11
| Surface number | Surface type | Radius of curvature | Thickness | Refractive index/Abbe number | Circular cone coefficient |
| OBJ | Spherical surface | It is infinite | It is infinite | -- | -- |
| STO | Spherical surface | It is infinite | -0.3537 | -- | -- |
| S1 | It is aspherical | 1.3400 | 0.6236 | 1.544/56.11 | -1.0023 |
| S2 | It is aspherical | 133.2675 | 0.0300 | -- | -99.0000 |
| S3 | It is aspherical | 94.0650 | 0.2000 | 1.651/21.52 | -99.0000 |
| S4 | It is aspherical | 3.0783 | 0.3341 | -- | -25.5276 |
| S5 | It is aspherical | -73.1385 | 0.2300 | 1.651/21.52 | -99.0000 |
| S6 | It is aspherical | -125.9191 | 0.1010 | -- | -99.0000 |
| S7 | It is aspherical | -5.6208 | 0.3836 | 1.544/56.11 | -99.0000 |
| S8 | It is aspherical | -4.0895 | 0.3978 | -- | -99.0000 |
| S9 | It is aspherical | 4.0231 | 0.3798 | 1.544/56.11 | -2.1637 |
| S10 | It is aspherical | 999.6041 | 0.3374 | -- | -12.1299 |
| S11 | It is aspherical | 3.1163 | 0.3441 | 1.544/56.11 | -99.0000 |
| S12 | It is aspherical | 1.0874 | 0.1733 | -- | -9.0333 |
| S13 | Spherical surface | It is infinite | 0.2100 | 1.517/64.17 | -- |
| S14 | Spherical surface | It is infinite | 0.4785 | -- | -- |
| S15 | Spherical surface | It is 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 following table 13 and table 14:
Table 13
| Surface number | Surface type | Radius of curvature | Thickness | Refractive index/Abbe number | Circular cone coefficient |
| OBJ | Spherical surface | It is infinite | It is infinite | -- | -- |
| STO | Spherical surface | It is infinite | -0.3523 -- | -- | |
| S1 | It is aspherical | 1.3400 | 0.6209 | 1.544/56.11 | -1.0024 |
| S2 | It is aspherical | 134.2934 | 0.0300 | -- | -99.0000 |
| S3 | It is aspherical | 75.6052 | 0.2000 | 1.651/21.52 | -99.0000 |
| S4 | It is aspherical | 3.0701 | 0.3327 | -- | -25.7013 |
| S5 | It is aspherical | -125.5239 | 0.2300 | 1.651/21.52 | -99.0000 |
| S6 | It is aspherical | 88.3191 | 0.1033 | -- | -1.0000 |
| S7 | It is aspherical | -6.1280 | 0.3869 | 1.544/56.11 | -99.0000 |
| S8 | It is aspherical | -4.1140 | 0.3942 | -- | -99.0000 |
| S9 | It is aspherical | 4.0187 | 0.3789 | 1.544/56.11 | -2.1637 |
| S10 | It is aspherical | 999.5864 | 0.3363 | -- | -12.1299 |
| S11 | It is aspherical | 3.0779 | 0.3466 | 1.544/56.11 | -99.0000 |
| S12 | It is aspherical | 1.0858 | 0.1741 | -- | -9.0333 |
| S13 | Spherical surface | It is infinite | 0.2100 | 1.517/64.17 | -- |
| S14 | Spherical surface | It is infinite | 0.4792 | -- | -- |
| S15 | Spherical surface | It is 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 following table 15 and table 16:
Table 15
| Surface number | Surface type | Radius of curvature | Thickness | Refractive index/Abbe number | Circular cone coefficient |
| OBJ | Spherical surface | It is infinite | It is infinite | -- | -- |
| STO | Spherical surface | It is infinite | -0.3615 | -- | -- |
| S1 | It is aspherical | 1.6194 | 0.6514 | 1.544/56.11 | -1.0538 |
| S2 | It is aspherical | 45.3761 | 0.0390 | -- | -1499.7409 |
| S3 | It is aspherical | 29.9503 | 0.2000 | 1.651/21.52 | -1023.1127 |
| S4 | It is aspherical | 3.5406 | 0.3769 | -- | -36.6901 |
| S5 | It is aspherical | 17.7651 | 0.2931 | 1.651/21.52 | -1354.5310 |
| S6 | It is aspherical | 8.8795 | 0.1175 | -- | -44.6492 |
| S7 | It is aspherical | 1500.0000 | 0.4252 | 1.544/56.11 | -1499.8479 |
| S8 | It is aspherical | -22.9418 | 0.3719 | -- | 30.6219 |
| S9 | It is aspherical | 2.8135 | 0.5155 | 1.544/56.11 | -3.9162 |
| S10 | It is aspherical | It is infinite | 0.6549 | -- | -1498.1409 |
| S11 | It is aspherical | 3.7203 | 0.3240 | 1.544/56.11 | -96.3401 |
| S12 | It is aspherical | 1.1458 | 0.2107 | -- | -7.3833 |
| S13 | Spherical surface | It is infinite | 0.2100 | 1.517/64.17 | -- |
| S14 | Spherical surface | It is infinite | 0.4439 | -- | -- |
| S15 | Spherical surface | It is 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 Examples 1 to 8, each conditional meets the condition of following table 17:
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 specification, reference term " embodiment ", " some embodiments ", " schematically implementation
What the description of mode ", " example ", " specific example " or " some examples " etc. meant to describe in conjunction with the embodiment or example
Particular features, structures, materials, or characteristics are contained at least one embodiment or example of the invention.In this specification
In, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific spy of description
Sign, structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, " multiple " are meant that at least two, such as two, three
It is a etc., unless otherwise specifically defined.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (9)
1. a kind of pick-up lens, which is characterized in that the pick-up lens is made of six lens, and six lens are by object side to image side
Successively include:
The first lens with positive refracting power, the object side of first lens are convex surface；
The second lens with negative refracting power, the image side surface of second lens are concave surface；
The third lens with negative refracting power；
The 4th lens with refracting power；
The 5th lens with positive refracting power, the image side surface of the 5th lens is concave surface or plane at paraxial place, and off-axis place has
There is an at least convex surface；
The 6th lens with negative refracting power；
The pick-up lens meets following relationship:
0.5≤f/f5 < 1.5；
- 1.6 < -0.7 < f/f6,
Wherein, f is the effective focal length of the pick-up lens, and f5 is the effective focal length of the 5th lens, and f6 is having for the 6th lens
Imitate focal length.
2. pick-up lens as described in claim 1, which is characterized in that the pick-up lens meets following relationship:
0.6 < SD62/ImgH < 0.9,
Wherein, SD62 is the effective radius of the image side surface of the 6th lens, and ImgH is the diagonal of effective pixel area on imaging surface
The half of line length.
3. pick-up lens as described in claim 1, which is characterized in that the pick-up lens meets following relationship:
5.0 < f/CT1 < 6.5,
Wherein, f is the effective focal length of the pick-up lens, and CT1 is the center thickness of first lens.
4. pick-up lens as described in claim 1, which is characterized in that the pick-up lens meets following relationship:
1.4 < f2/f6 < 2.3,
Wherein, f2 is the effective focal length of second lens, and f6 is the effective focal length of the 6th lens.
5. pick-up lens as described in claim 1, which is characterized in that the pick-up lens meets following relationship:
0.5 < | R5/R6 |≤2.0,
Wherein, R5 is the radius of curvature of the object side of the third lens, and R6 is the radius of curvature of the image side surface of the third lens.
6. pick-up lens as described in claim 1, which is characterized in that the pick-up lens meets following relationship:
TTL/ImgH < 1.7,
Wherein, TTL is the lens overall length of the pick-up lens, and ImgH is one of the catercorner length of effective pixel area on imaging surface
Half.
7. such as pick-up lens according to any one of claims 1 to 6, which is characterized in that the object side of second lens is convex
Face, the object side of the 5th lens are convex surface at paraxial place.
8. pick-up lens as claimed in claim 7, which is characterized in that the object side of the 4th lens is concave surface at paraxial place,
The image side surface of 4th lens is convex surface at paraxial place.
9. pick-up lens as claimed in claim 8, which is characterized in that the image side surface of the 6th lens is concave surface at paraxial place.
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| JP6534162B2 (en) | 2017-04-14 | 2019-06-26 | カンタツ株式会社 | Imaging lens |
| JP6640163B2 (en) | 2017-09-29 | 2020-02-05 | カンタツ株式会社 | Imaging lens |
| CN109031629A (en) * | 2018-11-07 | 2018-12-18 | 浙江舜宇光学有限公司 | imaging optical system |
| CN111221108B (en) * | 2018-12-26 | 2022-02-11 | 浙江舜宇光学有限公司 | Optical imaging lens |
| KR102549012B1 (en) * | 2020-11-30 | 2023-06-28 | 삼성전기주식회사 | Optical imaging system |
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| JP2009047722A (en) * | 2007-08-13 | 2009-03-05 | Konica Minolta Opto Inc | Variable power optical system, imaging device and digital device |
| CN202522757U (en) * | 2011-08-24 | 2012-11-07 | 大立光电股份有限公司 | optical image capturing lens |
| CN202886714U (en) * | 2012-05-22 | 2013-04-17 | 株式会社光学逻辑 | Pick-up lens |
| WO2014175058A1 (en) * | 2013-04-22 | 2014-10-30 | コニカミノルタ株式会社 | Imaging lens, imaging device, and mobile terminal |
| CN104503068A (en) * | 2011-09-15 | 2015-04-08 | 大立光电股份有限公司 | Optical Image Capturing Lens Assembly |
| CN204790153U (en) * | 2015-07-17 | 2015-11-18 | 浙江舜宇光学有限公司 | Camera lens |
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| KR100616646B1 (en) * | 2004-12-27 | 2006-08-28 | 삼성전기주식회사 | Inner Zoom Lens System |
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| JP2009047722A (en) * | 2007-08-13 | 2009-03-05 | Konica Minolta Opto Inc | Variable power optical system, imaging device and digital device |
| CN202522757U (en) * | 2011-08-24 | 2012-11-07 | 大立光电股份有限公司 | optical image capturing lens |
| CN104503068A (en) * | 2011-09-15 | 2015-04-08 | 大立光电股份有限公司 | Optical Image Capturing Lens Assembly |
| CN202886714U (en) * | 2012-05-22 | 2013-04-17 | 株式会社光学逻辑 | Pick-up lens |
| WO2014175058A1 (en) * | 2013-04-22 | 2014-10-30 | コニカミノルタ株式会社 | Imaging lens, imaging device, and mobile terminal |
| CN204790153U (en) * | 2015-07-17 | 2015-11-18 | 浙江舜宇光学有限公司 | Camera lens |
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