CN104570284B - Pick-up lens - Google Patents
Pick-up lens Download PDFInfo
- Publication number
- CN104570284B CN104570284B CN201510006826.3A CN201510006826A CN104570284B CN 104570284 B CN104570284 B CN 104570284B CN 201510006826 A CN201510006826 A CN 201510006826A CN 104570284 B CN104570284 B CN 104570284B
- Authority
- CN
- China
- Prior art keywords
- lens
- pick
- image side
- lens system
- thing side
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
- G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
- G02B9/62—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having six components only
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
The invention discloses a kind of pick-up lens, it is included successively by thing side to image side：The first lens with positive light coke, its thing side is convex surface；The second lens with negative power；The 3rd lens with negative power, its thing side is concave surface；The 4th lens with positive light coke；The 5th lens with positive light coke, its image side surface is convex surface；And the 6th lens with negative power, its image side surface is concave surface；The second lens thing side is convex surface, and image side surface is concave surface；4th lens thing side is convex surface；The pick-up lens meets relational expression：0<f/f4<0.8 and 0<T12/T23<0.14.Wherein, f is the effective focal length of the pick-up lens, and f4 is the focal length of the 4th lens, and T12 is spacing on axle between first lens and the second lens, and T23 is spacing on axle between second lens and the 3rd lens.In this way, high imaging quality can be obtained and beneficial to miniaturization and the pick-up lens of large aperture.
Description
Technical field
The present invention relates to pick-up lens, more particularly, to a kind of pick-up lens.
Background technology
With charge coupled device (charge-coupled device, CCD) and CMOS
The performance of (complementary metal-oxide semiconductor, CMOS) imageing sensor is improved and size reduces,
Corresponding pick-up lens also needs to meet the requirement of image quality high and miniaturization.
At present, five slice structures are used the general slim pick-up lens of pixel high, for example, a kind of existing pick-up lens more
From the object side to the image side successively by the first lens with positive light coke, the second lens with negative power, with negative power
The 3rd lens, the 4th lens with positive light coke and the 5th lens with negative power constitute.This system is in osculum
In the configuration in footpath, image quality is effectively improved, while maintaining the characteristic of miniaturization.But due to portable type electronic product
Growing, the performance such as pixel, image quality and resolution ratio to miniaturization phtographic lens proposes requirement further higher.
In order to meet it is high-resolution require, it is necessary to using bigbore configuration, could meet the demand of illumination, and known five chip
Structure will be unable to further shorten system length under bigbore configuration, meet as matter requirement.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art.
Therefore, the present invention needs to provide a kind of pick-up lens, it is included successively by thing side to image side：
The first lens with positive light coke, its thing side is convex surface；
The second lens with negative power；
The 3rd lens with negative power, its thing side is concave surface；
The 4th lens with positive light coke；
The 5th lens with positive light coke, its image side surface is convex surface；And
The 6th lens with negative power, its image side surface is concave surface；
The pick-up lens meets relational expression：
0<f/f4<0.8；
0<T12/T23<0.14
Wherein, f is the effective focal length of the pick-up lens, and f4 is the focal length of the 4th lens, and T12 is described first saturating
Spacing on axle between mirror and the second lens, T23 is spacing on axle between second lens and the 3rd lens.
In some embodiments, the second lens thing side is convex surface, and image side surface is concave surface；The thing side of the 4th lens
Surface is convex surface.
In some embodiments, the thing side surface of the 6th lens is that concave surface and thing side surface and image side surface are deposited
In at least one point of inflexion；The pick-up lens also includes the diaphragm being arranged between object and second lens.
In some embodiments, the pick-up lens also meets conditional：
1<f123/Dr1r6<5.5；
Wherein, f123 is the combined focal length of first lens, second lens and the 3rd lens, and Dr1r6 is
Distance on the thing side surface of first lens to the axle on the image side surface of the 3rd lens.
In some embodiments, the pick-up lens also meets conditional：
0.5<f123/f<2。
In some embodiments, the pick-up lens also meets conditional：
0<f5/f<1；And
0<(R11+R12)/(R11-R12)<1；
Wherein, f5 is the focal length of the 5th lens, and R11, R12 are respectively thing side surface and the image side of the 6th lens
The radius of curvature on surface.
In some embodiments, first lens, second lens, the 3rd lens, the 4th lens,
5th lens and the 6th lens are made of plastics, and at least aspherical in the presence of one.
In some embodiments, the image side surface of the 3rd lens is convex surface.
In some embodiments, the image side surface of first lens is convex surface, the thing side surface of the 5th lens
It is convex surface.
In some embodiments, the image side surface of the 4th lens is concave surface.
Additional aspect of the invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by practice of the invention.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from description of the accompanying drawings below to implementation method is combined
Obtain substantially and be readily appreciated that, wherein：
Fig. 1 is the schematic diagram of the lens system of the embodiment of the present invention 1；
Fig. 2 is chromaticity difference diagram (mm) on the axle of the lens system of embodiment 1；Fig. 3 is the astigmatism figure of the lens system of embodiment 1
(mm)；Fig. 4 is the distortion figure (%) of the lens system of embodiment 1；Fig. 5 is lens system ratio chromatism, figure (um) of embodiment 1；
Fig. 6 is the schematic diagram of the lens system of the embodiment of the present invention 2；
Fig. 7 is chromaticity difference diagram (mm) on the axle of the lens system of embodiment 2；Fig. 8 is the astigmatism figure of the lens system of embodiment 2
(mm)；Fig. 9 is the distortion figure (%) of the lens system of embodiment 2；Figure 10 is the lens system ratio chromatism, figure of embodiment 2
(um)；
Figure 11 is the schematic diagram of the lens system of the embodiment of the present invention 3；
Figure 12 is chromaticity difference diagram (mm) on the axle of the lens system of embodiment 3；Figure 13 is the astigmatism of the lens system of embodiment 3
Figure (mm)；Figure 14 is the distortion figure (%) of the lens system of embodiment 3；Figure 15 is the lens system ratio chromatism, figure of embodiment 3
(um)；
Figure 16 is the schematic diagram of the lens system of the embodiment of the present invention 4；
Figure 17 is chromaticity difference diagram (mm) on the axle of the lens system of embodiment 4；Figure 18 is the astigmatism of the lens system of embodiment 4
Figure (mm)；Figure 19 is the distortion figure (%) of the lens system of embodiment 4；Figure 20 is the lens system ratio chromatism, figure of embodiment 4
(um)；
Figure 21 is the schematic diagram of the lens system of the embodiment of the present invention 5；
Figure 22 is chromaticity difference diagram (mm) on the axle of the lens system of embodiment 5；Figure 23 is the astigmatism of the lens system of embodiment 5
Figure (mm)；Figure 24 is the distortion figure (%) of the lens system of embodiment 5；Figure 25 is the lens system ratio chromatism, figure of embodiment 5
(um)；
Figure 26 is the schematic diagram of the lens system of the embodiment of the present invention 6；
Figure 27 is chromaticity difference diagram (mm) on the axle of the lens system of embodiment 6；Figure 28 is the astigmatism of the lens system of embodiment 6
Figure (mm)；Figure 29 is the distortion figure (%) of the lens system of embodiment 6；Figure 30 is the lens system ratio chromatism, figure of embodiment 6
(um)；
Figure 31 is the schematic diagram of the lens system of the embodiment of the present invention 7；
Figure 32 is chromaticity difference diagram (mm) on the axle of the lens system of embodiment 7；Figure 33 is the astigmatism of the lens system of embodiment 7
Figure (mm)；Figure 34 is the distortion figure (%) of the lens system of embodiment 7；Figure 35 is the lens system ratio chromatism, figure of embodiment 7
(um)；
Figure 36 is the schematic diagram of the lens system of the embodiment of the present invention 8；
Figure 37 is chromaticity difference diagram (mm) on the axle of the lens system of embodiment 8；Figure 38 is the astigmatism of the lens system of embodiment 8
Figure (mm)；Figure 39 is the distortion figure (%) of the lens system of embodiment 8；Figure 40 is the lens system ratio chromatism, figure of embodiment 8
(um)。
Specific embodiment
Embodiments of the present invention are described below in detail, the example of the implementation method is shown in the drawings, wherein ad initio
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The implementation method for examining Description of Drawings is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " first ", " second " are only used for describing purpose, and can not
It is interpreted as indicating or implying relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " the
One or more feature can be expressed or be implicitly included to the feature of one ", " second ".In description of the invention
In, " multiple " is meant that two or more, unless otherwise expressly limited specifically.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to mechanically connect, or electrically connect or can be in communication with each other；Can be joined directly together, it is also possible to by between intermediary
Connect connected, can be two element internals connection or two interaction relationships of element.For the ordinary skill of this area
For personnel, above-mentioned term concrete meaning in the present invention can be as the case may be understood.
Following disclosure provides many different implementation methods or example is used for realizing different structure of the invention.In order to
Simplify disclosure of the invention, hereinafter the part and setting to specific examples are described.Certainly, they are only merely illustrative, and
And purpose does not lie in the limitation present invention.Additionally, the present invention can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, between discussed various implementation methods itself not being indicated and/or being set
Relation.Additionally, the invention provides various specific technique 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.
Fig. 1 is referred to, the pick-up lens of better embodiment of the present invention is included having positive light burnt by thing side to image side successively
First lens of degree, its thing side is convex surface；The second lens with negative power；The 3rd lens with negative power, its
Thing side is concave surface；The 4th lens with positive light coke；The 5th lens with positive light coke, its image side surface is convex surface；And
The 6th lens with negative power, its image side surface is concave surface；The pick-up lens meets relational expression：
0<f/f4<0.8；
0<T12/T23<0.14；
Wherein, f is the effective focal length of pick-up lens, and f4 is the focal length of the 4th lens E4, T12 be the first lens E1 and
Spacing on axle between second lens E2, T23 is spacing on axle between the second lens E2 and the 3rd lens E3.
Meeting both the above conditional can be conducive to the miniaturization of camera lens and the expansion of the angle of visual field, and improve image quality.
Specifically, the first lens E1 includes that thing side surface S1 and image side surface S2, the second lens E2 include thing side surface S3
And image side surface S4, the 3rd lens E3 include thing side surface S5 and image side surface S6, the 4th lens E4 include image side surface S7 and
Image side surface S8, the 5th lens E5 include thing side surface S9 and image side surface S10, the 6th lens E6 include thing side surface S11 and
Image side surface S12.
In some embodiments, the second lens E2 things side S3 is convex surface, and image side surface S4 is concave surface；4th lens
The thing side surface S7 of E4 is convex surface.
In some embodiments, the thing side surface S11 of the 6th lens E6 is concave surface and thing side surface S11 and picture
There is at least one point of inflexion in side surface S12；The pick-up lens also includes being arranged between object and second lens
Diaphragm STO.
The above-mentioned control for focal power and shape can further shorten camera lens overall length, be conducive to pixel high and large aperture
Feature.
In some embodiments, the pick-up lens also meets conditional：
1<f123/Dr1r6<5.5；
Wherein, f123 is the first lens E1, the combined focal length of the second lens E2 and the 3rd lens E3, and Dr1r6 is first saturating
Distance on the axle of the image side surface S6 of the lens E3 of thing side surface S1 to the 3rd of mirror E1.
Meeting conditions above formula can be conducive to elimination system astigmatism, further reduce camera lens overall length.
In some embodiments, pick-up lens also meets conditional：
0.5<f123/f<2。
It is arranged such, is conducive to controlling the aberration of pick-up lens, astigmatism when particularly the angle of visual field increases.
In some embodiments, pick-up lens also meets conditional：
0<f5/f<1；And
0<(R11+R12)/(R11-R12)<1；
Wherein, f5 is the focal length of the 5th lens E5, and R11, R12 are respectively thing side surface S11 and the image side of the 6th lens E6
The radius of curvature of surface S12.
Be arranged such, be conducive to the characteristic of camera lens head height pixel, and it is simultaneously effective reduce distortion to pick-up lens into
The influence of picture, obtains more preferable image quality.
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 made of plastics, and at least aspherical in the presence of one.
It is arranged such the characteristic for being conducive to miniaturization, pixel high and large aperture.
In some embodiments, the image side surface S6 of the 3rd lens E3 is convex surface.It is arranged such and is conducive to miniaturization, height
Pixel and the characteristic of large aperture.
In some embodiments, the image side surface S1 of the first lens E1 is convex surface, and the 5th lens E5 things side S9 is convex
Face.It is arranged such the characteristic for being conducive to miniaturization, pixel high and large aperture.
In some embodiments, the image side surface S8 of the 4th lens E4 is concave surface.It is arranged such and is conducive to miniaturization, picture high
Element and the characteristic of large aperture.
During imaging, light through after pick-up lens by after the optical filter E7 with thing side surface S13 and image side surface S14
Image in imaging surface S15.
Aspherical face shape is determined by below equation：
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 the i-th-th ranks.
Embodiment 1
In embodiment 1, lens system meets the condition of following form：
Table 1
| Surface number | Radius of curvature | Thickness | Material | Effective aperture | Circular cone coefficient |
| OBJ | It is infinite | It is infinite | |||
| STO | It is infinite | -0.3324 | 1.0900 | ||
| S1 | 1.9605 | 0.6227 | 1.54,56.1 | 1.1117 | -0.2821 |
| S2 | -17.3662 | 0.0325 | 1.1000 | -92.2311 | |
| S3 | 4.6469 | 0.2350 | 1.64,23.8 | 1.1156 | -2.0714 |
| S4 | 2.0358 | 0.5160 | 1.1137 | -5.5843 | |
| S5 | -6.2175 | 0.2647 | 1.64,23.8 | 1.1271 | 12.2934 |
| S6 | -11.5407 | 0.0621 | 1.2510 | -80.9957 | |
| S7 | 8.0645 | 0.5831 | 1.54,56.1 | 1.5800 | 2.1584 |
| S8 | 58.6245 | 0.6048 | 1.5835 | 7.9412 | |
| S9 | 1345.1085 | 0.7687 | 1.54,56.1 | 1.8007 | -99.9900 |
| S10 | -1.1583 | 0.2541 | 2.1658 | -5.4343 | |
| S11 | -5.7142 | 0.3000 | 1.54,56.1 | 2.6954 | -51.5719 |
| S12 | 1.1568 | 0.3462 | 2.9500 | -7.2720 | |
| S13 | It is infinite | 0.2100 | 1.52,64.2 | 3.2233 | |
| S14 | It is infinite | 0.7500 | 3.2734 | ||
| IMA(S15) | It is infinite | 3.5595 |
Table 2
In addition, f1=3.26mm, f2=-5.86mm, f3=-21.47mm, f4=17.06mm, f5=2.12mm, f6=-
1.74mm, f=4.5mm, TTL=5.55mm and Semi-FOV=38.3 °, stop value Fno=2.03.
Fig. 2 is chromaticity difference diagram (mm) on the axle of the lens system of embodiment 1, and Fig. 3 is the astigmatism figure of the lens system of embodiment 1
(mm), Fig. 4 is the distortion figure (%) of the lens system of embodiment 1, and Fig. 5 is lens system ratio chromatism, figure (um) of embodiment 1,
It can be seen that, the aberration of lens system is effectively controlled.
Embodiment 2
In embodiment 2, lens system meets the condition of following form：
Table 3
Table 4
In addition, f1=3.29mm, f2=-5.9mm, f3=-18.3mm, f4=13.25mm, f5=2.16mm, f6=-
1.74mm, f=4.58mm, TTL=5.68mm and Semi-FOV=37.8 °, stop value Fno=2.03.
Fig. 7 is chromaticity difference diagram (mm) on the axle of the lens system of embodiment 2, and Fig. 8 is the astigmatism figure of the lens system of embodiment 2
(mm), Fig. 9 is the distortion figure (%) of the lens system of embodiment 2, and Figure 10 is the lens system ratio chromatism, figure of embodiment 2
(um), it is seen then that the aberration of lens system is effectively controlled.
Embodiment 3
In embodiment 3, lens system meets the condition of following form：
Table 5
| Surface number | Radius of curvature | Thickness | Material | Effective aperture | Circular cone coefficient |
| OBJ | It is infinite | It is infinite | |||
| STO | It is infinite | -0.3330 | 1.0900 | ||
| S1 | 1.8310 | 0.7667 | 1.54,56.1 | 1.1690 | -0.2285 |
| S2 | 271.5113 | 0.0573 | 1.1000 | 99.9999 | |
| S3 | 10.0321 | 0.1381 | 1.64,23.8 | 1.1010 | 9.0407 |
| S4 | 2.7433 | 0.4844 | 1.0981 | -6.5754 | |
| S5 | -7.1772 | 0.3621 | 1.64,23.8 | 1.1165 | 15.0286 |
| S6 | -8.0994 | 0.0113 | 1.2769 | -35.6031 | |
| S7 | 8.8821 | 0.5467 | 1.54,56.1 | 1.5800 | 4.1680 |
| S8 | 324.7984 | 0.6737 | 1.5729 | -800.0000 | |
| S9 | -37.5274 | 0.7867 | 1.54,56.1 | 1.7770 | 232.2126 |
| S10 | -1.2006 | 0.2133 | 2.1323 | -6.1721 | |
| S11 | -5.5464 | 0.2823 | 1.54,56.1 | 2.4074 | -28.2176 |
| S12 | 1.1203 | 0.3218 | 2.9500 | -7.6142 | |
| S13 | It is infinite | 0.3257 | 1.52,64.2 | 3.0271 | |
| S14 | It is infinite | 0.7285 | 3.1419 | ||
| IMA(S15) | It is infinite | 3.5781 |
Table 6
In addition, f1=3.37mm, f2=-5.94mm, f3=-116mm, f4=16.72mm, f5=2.25mm, f6=-
1.68mm, f=4.74mm, TTL=5.7mm and Semi-FOV=36.75 °, stop value Fno=2.03.
Figure 12 is chromaticity difference diagram (mm) on the axle of the lens system of embodiment 3, and Figure 13 is the astigmatism of the lens system of embodiment 3
Figure (mm), Figure 14 is the distortion figure (%) of the lens system of embodiment 3, and Figure 15 is the lens system ratio chromatism, figure of embodiment 3
(um), it is seen then that the aberration of lens system is effectively controlled.
Embodiment 4
In embodiment 4, lens system meets the condition of following form：
Table 7
| Surface number | Radius of curvature | Thickness | Material | Effective aperture | Circular cone coefficient |
| OBJ | It is infinite | It is infinite | |||
| STO | It is infinite | -0.3459 | 1.1246 | ||
| S1 | 1.9441 | 0.6659 | 1.54,56.1 | 1.1497 | -0.3022 |
| S2 | -15.8942 | 0.0181 | 1.1606 | -51.0863 | |
| S3 | 4.5470 | 0.2511 | 1.64,23.8 | 1.1662 | -1.6395 |
| S4 | 2.0878 | 0.5156 | 1.1491 | -5.7163 | |
| S5 | -6.6206 | 0.2808 | 1.64,23.8 | 1.1502 | 13.4765 |
| S6 | 300.0215 | 0.0401 | 1.2753 | -769.3265 | |
| S7 | 7.0842 | 0.6422 | 1.54,56.1 | 1.3363 | -4.7955 |
| S8 | -41.9061 | 0.5504 | 1.5437 | -759.8294 | |
| S9 | -159.2891 | 0.8236 | 1.54,56.1 | 1.7705 | -694.3210 |
| S10 | -1.1632 | 0.2445 | 2.1398 | -5.6378 | |
| S11 | -5.6199 | 0.2974 | 1.54,56.1 | 2.5851 | -61.7295 |
| S12 | 1.1792 | 0.3417 | 2.8607 | -7.4725 | |
| S13 | It is infinite | 0.2389 | 1.52,64.2 | 3.1257 | |
| S14 | It is infinite | 0.7297 | 3.1794 | ||
| IMA(S15) | It is infinite | 3.4364 |
Table 8
In addition, f1=3.22mm, f2=-6.28mm, f3=-10.11mm, f4=11.15mm, f5=2.14mm, f6=-
1.76mm, f=4.57mm, TTL=5.64mm and Semi-FOV=36.51 °, stop value Fno=2.03.
Figure 17 is chromaticity difference diagram (mm) on the axle of the lens system of embodiment 4, and Figure 18 is the astigmatism of the lens system of embodiment 4
Figure (mm), Figure 19 is the distortion figure (%) of the lens system of embodiment 4, and Figure 20 is the lens system ratio chromatism, figure of embodiment 4
(um), it is seen then that the aberration of lens system is effectively controlled.
Embodiment 5
In embodiment 5, lens system meets the condition of following form：
Table 9
Table 10
In addition, f1=3.24mm, f2=-6.3mm, f3=-38.8mm, f4=9.67mm, f5=2.45mm, f6=-
1.64mm, f=4.75mm, TTL=5.86mm and Semi-FOV=36.4 °, stop value Fno=2.03.
Figure 22 is chromaticity difference diagram (mm) on the axle of the lens system of embodiment 5, and Figure 23 is the astigmatism of the lens system of embodiment 5
Figure (mm), Figure 24 is the distortion figure (%) of the lens system of embodiment 5, and Figure 25 is the lens system ratio chromatism, figure of embodiment 5
(um), it is seen then that the aberration of lens system is effectively controlled.
Embodiment 6
Implement in 6, lens system meets the condition of following form：
Table 11
| Surface number | Radius of curvature | Thickness | Material | Effective aperture | Circular cone coefficient |
| OBJ | It is infinite | It is infinite | |||
| STO | It is infinite | -0.3539 | 0.9831 | ||
| S1 | 1.4700 | 0.6303 | 1.54,56.1 | 1.0131 | -0.2588 |
| S2 | -54.0206 | 0.0283 | 0.9519 | -14.0669 | |
| S3 | 10.8837 | 0.2100 | 1.64,23.8 | 0.8961 | -37.5585 |
| S4 | 2.3852 | 0.3734 | 0.9157 | -1.4436 | |
| S5 | -7.8357 | 0.2297 | 1.64,23.8 | 0.9678 | -311.8102 |
| S6 | -16.1027 | 0.0305 | 1.0789 | -126.3860 | |
| S7 | 5.5386 | 0.3481 | 1.54,56.1 | 1.1978 | -104.1177 |
| S8 | 8.9498 | 0.4379 | 1.3938 | -53.3858 | |
| S9 | 274.0655 | 0.6503 | 1.54,56.1 | 1.5167 | -0.9885 |
| S10 | -1.1061 | 0.2223 | 1.7491 | -5.6788 | |
| S11 | -3.1188 | 0.3409 | 1.54,56.1 | 2.2381 | -35.1393 |
| S12 | 1.2775 | 0.2941 | 2.4800 | -8.4336 | |
| S13 | It is infinite | 0.1100 | 1.52,64.2 | 2.8391 | |
| S14 | It is infinite | 0.5757 | 2.8703 | ||
| IMA(S15) | It is infinite | 3.1111 |
Table 12
In addition, f1=2.63mm, f2=-4.82mm, f3=-24.1mm, f4=25.7mm, f5=2.02mm, f6=-
1.64mm, f=3.74mm, TTL=4.48mm and Semi-FOV=39.1 °, stop value Fno=1.9.
Figure 27 is chromaticity difference diagram (mm) on the axle of the lens system of embodiment 6, and Figure 28 is the astigmatism of the lens system of embodiment 6
Figure (mm), Figure 29 is the distortion figure (%) of the lens system of embodiment 6, and Figure 30 is the lens system ratio chromatism, figure of embodiment 6
(um), it is seen then that the aberration of lens system is effectively controlled.
Embodiment 7
In embodiment 7, lens system meets the condition of following form：
Table 13
Table 14
In addition, f1=2.66mm, f2=-5.44mm, f3=-19.1mm, f4=25.9mm, f5=2.42mm, f6=-
1.9mm, f=3.58mm, TTL=4.28mm and Semi-FOV=39 °, stop value Fno=1.98.
Figure 32 is chromaticity difference diagram (mm) on the axle of the lens system of embodiment 7, and Figure 33 is the astigmatism of the lens system of embodiment 7
Figure (mm), Figure 39 is the distortion figure (%) of the lens system of embodiment 34, and Figure 35 is the lens system ratio chromatism, figure of embodiment 7
(um), it is seen then that the aberration of lens system is effectively controlled.
Embodiment 8
In embodiment 8, lens system meets the condition of following form：
Table 15
Table 16
In addition, f1=3.26mm, f2=-5.93mm, f3=-22.23mm, f4=16.72mm, f5=2.13mm, f6=
1.76mm, f=4.43mm, TTL=5.51mm and Semi-FOV=39 °, stop value Fno=2.03.
Figure 37 is chromaticity difference diagram (mm) on the axle of the lens system of embodiment 8, and Figure 38 is the astigmatism of the lens system of embodiment 8
Figure (mm), Figure 39 is the distortion figure (%) of the lens system of embodiment 8, and Figure 40 is the lens system ratio chromatism, figure of embodiment 8
(um), it is seen then that the aberration of lens system is effectively controlled.
In embodiment 1-8, each conditional meets the condition of table below：
| Embodiment | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| f/f4 | 0.26 | 0.35 | 0.28 | 0.41 | 0.49 | 0.145 | 0.14 | 0.26 |
| f123/Dr1r6 | 4.43 | 5.1 | 3.62 | 4.97 | 2.73 | 3.6 | 3.84 | 4.43 |
| T12/T23 | 0.063 | 0.066 | 0.118 | 0.035 | 0.067 | 0.08 | 0.07 | 0.07 |
| f123/f | 1.65 | 1.76 | 1.38 | 1.88 | 1.25 | 1.42 | 1.44 | 1.65 |
| f5/f | 0.47 | 0.47 | 0.48 | 0.47 | 0.52 | 0.54 | 0.67 | 0.48 |
| (R11+R12)/(R11-R12) | 0.66 | 0.71 | 0.66 | 0.65 | 0.56 | 0.42 | 0.54 | 0.67 |
In the description of this specification, reference term " implementation method ", " some implementation methods ", " schematically implementation
The description of mode ", " example ", " specific example " or " some examples " etc. means to combine the implementation method or example describes
Specific features, structure, refractive index/Abbe number or feature are contained at least one implementation method of the invention or example.
In this manual, the schematic representation to above-mentioned term is not necessarily referring to identical implementation method or example.And, description
Specific features, structure, refractive index/Abbe number or feature can be in one or more any implementation methods or example
Combine in an appropriate manner.
While embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that：
These implementation methods can be carried out with various changes, modification, replacement in the case of not departing from principle of the invention and objective and become
Type, the scope of the present invention is limited by claim and its equivalent.
Claims (9)
1. a kind of pick-up lens, it is characterised in that included successively by thing side to image side：
The first lens with positive light coke, its thing side is convex surface；
The second lens with negative power；
The 3rd lens with negative power, its thing side is concave surface；
The 4th lens with positive light coke；
The 5th lens with positive light coke, its image side surface is convex surface；And
The 6th lens with negative power, its image side surface is concave surface；
The second lens thing side is convex surface, and image side surface is concave surface；4th lens thing side is convex surface；
The pick-up lens meets relational expression：
0<f/f4<0.8；
0<T12/T23<0.14；
Wherein, f is the effective focal length of the pick-up lens, and f4 is the focal length of the 4th lens, T12 be first lens and
Spacing on axle between second lens, T23 is spacing on axle between second lens and the 3rd lens.
2. pick-up lens as claimed in claim 1, it is characterised in that the thing side surface of the 6th lens is concave surface and thing
There is at least one point of inflexion in side surface and image side surface；The pick-up lens is also saturating with described second including being arranged on object
Diaphragm between mirror.
3. the pick-up lens as described in claim 1-2 any one, it is characterised in that：The pick-up lens meets conditional：
1<f123/Dr1r6<5.5；
Wherein, f123 is the combined focal length of first lens, second lens and the 3rd lens, and Dr1r6 is described
Distance on the thing side surface of the first lens to the axle on the image side surface of the 3rd lens.
4. the pick-up lens as described in claim 1-2 any one, it is characterised in that the pick-up lens also meets condition
Formula：
0.5<f123/f<2；
Wherein, f123 is the combined focal length of first lens, second lens and the 3rd lens.
5. the pick-up lens as described in claim 1-2 any one, it is characterised in that the pick-up lens also meets condition
Formula：
0<f5/f<1；And
0<(R11+R12)/(R11-R12)<1；
Wherein, f5 is the focal length of the 5th lens, and R11, R12 are respectively thing side surface and the image side surface of the 6th lens
Radius of curvature.
6. the pick-up lens as described in claim 1-2 any one, it is characterised in that first lens, described second saturating
Mirror, the 3rd lens, the 4th lens, the 5th lens and the 6th lens are made of plastics, and at least deposit
It is aspherical at one.
7. the pick-up lens as described in claim 1-2 any one, it is characterised in that the image side surface of the 3rd lens is
Convex surface.
8. the pick-up lens as described in claim 1-2 any one, it is characterised in that the image side surface of first lens is
Convex surface, the thing side surface of the 5th lens is convex surface.
9. the pick-up lens as described in claim 1-2 any one, it is characterised in that the image side surface of the 4th lens is recessed
Face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510006826.3A CN104570284B (en) | 2015-01-07 | 2015-01-07 | Pick-up lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510006826.3A CN104570284B (en) | 2015-01-07 | 2015-01-07 | Pick-up lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104570284A CN104570284A (en) | 2015-04-29 |
| CN104570284B true CN104570284B (en) | 2017-05-31 |
Family
ID=53086774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510006826.3A Active CN104570284B (en) | 2015-01-07 | 2015-01-07 | Pick-up lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104570284B (en) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5894696B1 (en) * | 2015-05-28 | 2016-03-30 | エーエーシーアコースティックテクノロジーズ（シンセン）カンパニーリミテッドＡＡＣ Ａｃｏｕｓｔｉｃ Ｔｅｃｈｎｏｌｏｇｉｅｓ（Ｓｈｅｎｚｈｅｎ）Ｃｏ．，Ｌｔｄ | Imaging lens |
| CN109283660B (en) * | 2015-07-03 | 2021-03-02 | 大立光电股份有限公司 | Image capturing lens system and image capturing device |
| CN105278081B (en) * | 2015-07-07 | 2017-12-19 | 瑞声声学科技(深圳)有限公司 | Pick-up lens |
| JP5809769B1 (en) * | 2015-07-21 | 2015-11-11 | エーエーシーアコースティックテクノロジーズ（シンセン）カンパニーリミテッドＡＡＣ Ａｃｏｕｓｔｉｃ Ｔｅｃｈｎｏｌｏｇｉｅｓ（Ｓｈｅｎｚｈｅｎ）Ｃｏ．，Ｌｔｄ | Imaging lens |
| JP6573315B2 (en) | 2015-08-31 | 2019-09-11 | カンタツ株式会社 | Imaging lens |
| JP5894327B1 (en) * | 2015-09-28 | 2016-03-30 | エーエーシーアコースティックテクノロジーズ（シンセン）カンパニーリミテッドＡＡＣ Ａｃｏｕｓｔｉｃ Ｔｅｃｈｎｏｌｏｇｉｅｓ（Ｓｈｅｎｚｈｅｎ）Ｃｏ．，Ｌｔｄ | Imaging lens |
| JP5873209B1 (en) * | 2015-11-09 | 2016-03-01 | エーエーシー テクノロジーズ ピーティーイー リミテッド | Imaging lens |
| TWI638184B (en) * | 2016-02-05 | 2018-10-11 | 先進光電科技股份有限公司 | Optical image capturing system |
| CN106814441B (en) * | 2016-12-14 | 2019-05-31 | 瑞声科技(新加坡)有限公司 | Camera optical camera lens |
| TWI639038B (en) * | 2017-01-05 | 2018-10-21 | 先進光電科技股份有限公司 | Optical image capturing system |
| TWI641891B (en) * | 2017-01-05 | 2018-11-21 | 先進光電科技股份有限公司 | Optical image capturing system |
| TWI641889B (en) * | 2017-01-05 | 2018-11-21 | 先進光電科技股份有限公司 | Optical image capturing system |
| WO2019047505A1 (en) | 2017-09-07 | 2019-03-14 | 浙江舜宇光学有限公司 | Optical imaging lens |
| CN108562995B (en) * | 2018-02-05 | 2020-06-16 | 瑞声光学解决方案私人有限公司 | Image pickup optical lens |
| CN108387999B (en) * | 2018-02-05 | 2020-02-18 | 瑞声科技(新加坡)有限公司 | Image pickup optical lens |
| CN109507787A (en) | 2018-03-07 | 2019-03-22 | 浙江舜宇光学有限公司 | Optical imaging lens |
| CN113820825B (en) * | 2018-06-01 | 2022-08-02 | 浙江舜宇光学有限公司 | Optical imaging lens |
| CN110646916B (en) * | 2018-06-27 | 2021-12-17 | 宁波舜宇车载光学技术有限公司 | Optical lens |
| WO2021207883A1 (en) * | 2020-04-13 | 2021-10-21 | 南昌欧菲精密光学制品有限公司 | Optical system, lens module, and electronic device |
| CN113759499B (en) * | 2020-06-05 | 2022-09-09 | 浙江舜宇光学有限公司 | Optical imaging lens |
| CN111736318B (en) * | 2020-08-25 | 2020-11-10 | 诚瑞光学(常州)股份有限公司 | Image pickup optical lens |
| CN113625434B (en) * | 2021-09-18 | 2023-10-13 | 浙江舜宇光学有限公司 | Optical imaging lens |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101499969B1 (en) * | 2008-10-10 | 2015-03-18 | 엘지이노텍 주식회사 | Imaging Lens and Camera Moudule including the same |
| TWI432772B (en) * | 2011-06-10 | 2014-04-01 | Largan Precision Co Ltd | Optical image capturing lens assembly |
| TWI435138B (en) * | 2011-06-20 | 2014-04-21 | Largan Precision Co | Optical imaging system for pickup |
| US8760774B2 (en) * | 2012-02-17 | 2014-06-24 | Newmax Technology Co., Ltd. | Six-piece optical lens system |
| JP5966748B2 (en) * | 2012-08-08 | 2016-08-10 | 株式会社リコー | Reading lens, image reading apparatus, and image forming apparatus |
| US8896935B2 (en) * | 2013-01-31 | 2014-11-25 | Newmax Technology Co., Ltd. | Six-piece optical lens system |
| CN204314534U (en) * | 2015-01-07 | 2015-05-06 | 浙江舜宇光学有限公司 | Pick-up lens |
-
2015
- 2015-01-07 CN CN201510006826.3A patent/CN104570284B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104570284A (en) | 2015-04-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104570284B (en) | Pick-up lens | |
| WO2016109956A1 (en) | Camera lens | |
| CN104597582B (en) | Pick-up lenss | |
| CN111596441B (en) | Optical system | |
| CN105759406B (en) | Pick-up lens | |
| CN104991331B (en) | Bugeye lens | |
| CN105824102B (en) | Pick-up lens and portable electronic device | |
| CN106646835B (en) | Wide-angle lens | |
| CN105572848B (en) | Telephoto lens | |
| CN105988186B (en) | Imaging lens | |
| CN105259636B (en) | Telephoto lens | |
| CN104570279B (en) | Camera lens module | |
| CN110673304B (en) | Optical system | |
| CN209570744U (en) | Optical imaging system and more component optical imaging systems | |
| CN204790153U (en) | Camera lens | |
| CN105204138A (en) | Photographing lens | |
| CN103576296A (en) | Pick-up lens | |
| CN105137567B (en) | Imaging lens, iris imaging module and iris identification device | |
| CN103576297A (en) | Pick-up lens | |
| CN103246051A (en) | Imaging lens system | |
| CN105301737A (en) | Optical system | |
| CN106932888B (en) | 360-degree panoramic fisheye lens | |
| CN203606559U (en) | Mini-size imaging lens | |
| CN204314534U (en) | Pick-up lens | |
| CN105988187B (en) | Pick-up lens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |