CN105629442B - Camera optical camera lens group - Google Patents
Camera optical camera lens group Download PDFInfo
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- CN105629442B CN105629442B CN201610192805.XA CN201610192805A CN105629442B CN 105629442 B CN105629442 B CN 105629442B CN 201610192805 A CN201610192805 A CN 201610192805A CN 105629442 B CN105629442 B CN 105629442B
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- 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
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- 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
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Abstract
The present invention provides a kind of camera optical camera lens groups, belong to camera optical apparatus field, include sequentially by object side to image side：First lens of the one positive refracting power of tool, object side surface are convex surface, and image side surface is convex surface；One tool bears the second lens of refracting power, and object side surface is convex surface, and image side surface is concave surface；The third lens of the one positive refracting power of tool, object side surface are concave surface, and image side surface is convex surface；4th lens of one tool refracting power, object side surface are concave surface, and image side surface is convex surface；5th lens of one tool refracting power, image side centre of surface range shape are concave surface；It meets following relationship：f/f4>0；0.6<TC5/TC4<1.2；R4/R3<0.3；And f1*f2*f3*f4*f5>0.The image quality that this camera optical camera lens group can reach, and can be made more frivolous, length smaller meets the needs of miniaturization.
Description
Technical field
The present invention relates to camera optical apparatus fields, in particular to a kind of camera optical camera lens group.
Background technology
Optical lens is essential component in NI Vision Builder for Automated Inspection, directly affects the quality of image quality, influences to calculate
The realization of method and effect.Existing camera optical camera lens group is generally formed using multiple lens combinations, although can complete to image,
But image quality is bad, and it is difficult to reach the demand of growing miniaturization.
Invention content
The purpose of the present invention is to provide a kind of camera optical camera lens group, the image quality that can have reached, and energy
Enough it is made more frivolous, length smaller meets the needs of miniaturization.
What the embodiment of the present invention was realized in：
A kind of camera optical camera lens group includes sequentially by object side to image side：
First lens of the one positive refracting power of tool, object side surface are convex surface, and image side surface is convex surface；
One tool bears the second lens of refracting power, and object side surface is convex surface, and image side surface is concave surface；
The third lens of the one positive refracting power of tool, object side surface are concave surface, and image side surface is convex surface；
4th lens of one tool refracting power, object side surface are concave surface, and image side surface is convex surface；
5th lens of one tool refracting power, image side centre of surface range shape are concave surface；
Wherein, the total focal length of camera optical camera lens group is f, and the focal length of the first lens is f1, and the focal length of the second lens is f2,
The focal length of the third lens is f3, and the focal length of the 4th lens is f4, and the focal length of the 5th lens is f5, and the center thickness of the 4th lens is
The center thickness of TC4, the 5th lens are TC5, and the curvature of the object side of the second lens is R3, and the curvature of the image side of the second lens is
R4 meets following relationship：
f/f4>0；
0.6<TC5/TC4<1.2；
R4/R3<0.3；And
f1*f2*f3*f4*f5>0。
In preferred embodiments of the present invention, the f-number of above-mentioned camera optical camera lens group is F#, meets following relationship
Formula：
F#<=2.4.
In preferred embodiments of the present invention, the system length of above-mentioned camera optical camera lens group is TTL, camera optical camera lens
The imaging overall height of group is ImD, meets following relationship：
TTL/ImD<1.2。
In preferred embodiments of the present invention, above-mentioned 4th lens have positive refracting power.
In preferred embodiments of the present invention, above-mentioned 5th lens have positive refracting power.
In preferred embodiments of the present invention, above-mentioned first lens, the second lens, the third lens, the 4th lens and
The surface of five lens is all aspherical.
In preferred embodiments of the present invention, above-mentioned camera optical camera lens group further includes an at least filter element, and filter member
Part is set between the 5th lens and an imaging surface.
In preferred embodiments of the present invention, above-mentioned filter element is infrared filter.
In preferred embodiments of the present invention, above-mentioned infrared filter is made of glass.
In preferred embodiments of the present invention, above-mentioned camera optical camera lens group further includes aperture, aperture be set to object side with
Between first lens.
The advantageous effect of camera optical camera lens group provided in an embodiment of the present invention is：By design each lens focal length, the
The curvature of the center thickness and the second lens of four lens and the 5th lens so that the parameters relationship of five lens meets pass simultaneously
It is formula f/f4>0；0.6<TC5/TC4<1.2；R4/R3<0.3 and, f1*f2*f3*f4*f5>0, then camera optical camera lens group can
With the image quality reached, and it can be made more frivolous, length smaller meets the needs of miniaturization.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram for the camera optical camera lens group that first embodiment of the invention provides；
Fig. 2 is the astigmatism curve graph for the camera optical camera lens group that first embodiment of the invention provides；
Fig. 3 is the distortion curve figure for the camera optical camera lens group that first embodiment of the invention provides；
Fig. 4 is the spherical aberration curve graph for the camera optical camera lens group that first embodiment of the invention provides；
Fig. 5 is the structural schematic diagram for the camera optical camera lens group that second embodiment of the invention provides；
Fig. 6 is the astigmatism curve graph for the camera optical camera lens group that second embodiment of the invention provides；
Fig. 7 is the distortion curve figure for the camera optical camera lens group that second embodiment of the invention provides；
Fig. 8 is the spherical aberration curve graph for the camera optical camera lens group that second embodiment of the invention provides；
Fig. 9 is the structural schematic diagram for the camera optical camera lens group that third embodiment of the invention provides；
Figure 10 is the astigmatism curve graph for the camera optical camera lens group that third embodiment of the invention provides；
Figure 11 is the distortion curve figure for the camera optical camera lens group that third embodiment of the invention provides；
Figure 12 is the spherical aberration curve graph for the camera optical camera lens group that third embodiment of the invention provides.
Figure acceptance of the bid, which is remembered, is respectively：
Camera optical camera lens group 100；First lens 101；Second lens 102；The third lens 103；4th lens 104；The
Five lens 105；Imaging surface 106；Infrared filter 107.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.In addition, term " the
One ", " second ", " third ", " the 4th ", " the 5th " etc. are only used for distinguishing description, are not understood to indicate or imply relatively heavy
The property wanted.
First embodiment
Referring to Fig. 1, present embodiments provide a kind of camera optical camera lens group 100, this camera optical camera lens group 100 by
Object side to image side includes sequentially：
First lens 101 of the one positive refracting power of tool, object side surface are convex surface, and image side surface is convex surface.
One tool bears the second lens 102 of refracting power, and object side surface is convex surface, and image side surface is concave surface.
The third lens 103 of the one positive refracting power of tool, object side surface are concave surface, and image side surface is convex surface.
4th lens 104 of one tool refracting power, object side surface are concave surface, and image side surface is convex surface.
5th lens 105 of one tool refracting power, image side centre of surface range shape are concave surface.
Wherein, the first lens 101, the second lens 102, the third lens 103, the 4th lens 104 and the 5th lens 105
Surface is all aspherical.4th lens 104 have positive refracting power.5th lens 105 have positive refracting power.
Camera optical camera lens group 100 further includes that an at least filter element and aperture, filter element is set to the 5th lens 105
Between an imaging surface 106.Preferably, filter element is infrared filter 107, infrared light, also, infrared ray can be filtered out
Optical filter 107 is preferably made of glass.Aperture is set between object side and the first lens 101, effectively to reduce optics overall length
Degree.
Wherein, the total focal length of camera optical camera lens group 100 is f, and the focal length of the first lens 101 is f1, the second lens 102
Focal length is f2, and the focal length of the third lens 103 is f3, and the focal length of the 4th lens 104 is f4, and the focal length of the 5th lens 105 is f5, the
The center thickness of four lens 104 is TC4, and the center thickness of the 5th lens 105 is TC5, and the curvature of the object side of the second lens 102 is
The curvature of R3, the image side of the second lens 102 are R4, and the f-number of camera optical camera lens group 100 is F#, camera optical camera lens group
100 system length is TTL, and the imaging overall height of camera optical camera lens group 100 is ImD, meets following relationship：
(1)f/f4>0；
(2)0.6<TC5/TC4<1.2；
(3)R4/R3<0.3；
(4)f1*f2*f3*f4*f5>0；
(5)F#<=2.4；
(6)TTL/ImD<1.2。
By (1) formula it is found that the focal length of the 4th lens 104 is necessary for positive value.
By (2) formula it is found that the ratio of the center thickness of the 5th lens 105 and the center thickness of the 4th lens 104 must be small
In 1.2 times and more than 0.6 times, be conducive to eliminate distortion (distortion).
By (3) formula it is found that the curvature of the image side of the second lens 102 is necessarily less than the curvature of the object side of the second lens 102,
Ratio is less than 0.3 times.
It is combined by (1)~(3) formula, it is poor can effectively to eliminate pigment.
By (4) formula it is found that the focal length of the first lens 101 is multiplied by the focal length of the second lens 102 multiplied by the third lens 103
Focal length, until the 5th lens 105, final result are necessary for positive value, then the image quality that can have met.
By (5) formula it is found that the larger system of aperture can be obtained.
By (6) formula it is found that the ratio of its system length and imaging overall height is less than 1.2 times.Representative can be made shorter light
Learn lens group.
The 100 design parameter such as following table of camera optical camera lens group that the present embodiment is provided：
Table one, first embodiment parameter
Table two, asphericity coefficient
| Surface | R1 | R2 | R3 | R4 | R5 |
| A2 | 0.00E+00 | 0.00E+00 | 0.00E+00 | 0.00E+00 | 0.00E+00 |
| A4 | 5.67E-04 | 5.90E-02 | 3.68E-02 | -1.78E-02 | -1.43E-01 |
| A6 | 8.03E-02 | -1.86E-01 | -3.36E-02 | 1.19E-01 | 2.22E-01 |
| A8 | -3.08E-01 | 4.04E-01 | 6.71E-02 | -1.24E-01 | -8.59E-01 |
| A10 | 6.75E-01 | -1.09E+00 | -6.03E-01 | -1.18E-01 | 1.90E+00 |
| A12 | -8.80E-01 | 1.26E+00 | 9.63E-01 | 4.28E-01 | -2.59E+00 |
| A14 | 5.66E-01 | -8.55E-01 | -7.95E-01 | -4.35E-01 | 1.92E+00 |
| A16 | 5.66E-01 | 1.63E-01 | 3.27E-01 | 2.64E-01 | -6.39E-01 |
| A18 | 0 | 0 | 0 | 0 | 0 |
| A20 | 0 | 0 | 0 | 0 | 0 |
| Surface | R6 | R7 | R8 | R9 | R10 |
| A2 | 0.00E+00 | 0.00E+00 | 0.00E+00 | 0.00E+00 | 0.00E+00 |
| A4 | -9.17E-02 | -2.89E-02 | -1.23E-01 | -6.47E-02 | -6.26E-02 |
| A6 | 7.04E-02 | -1.80E-01 | 1.01E-02 | 4.59E-02 | 2.85E-02 |
| A8 | -1.24E-01 | 9.63E-01 | 1.59E-01 | -3.86E-02 | -1.16E-02 |
| A10 | 1.08E-01 | -2.18E+00 | -2.51E-01 | 2.17E-02 | 2.80E-03 |
| A12 | -8.37E-02 | 3.05E+00 | 2.65E-01 | -7.47E-03 | -3.15E-04 |
| A14 | 4.59E-02 | -2.73E+00 | -1.88E-01 | 1.62E-03 | -1.60E-05 |
| A16 | -1.42E-03 | 1.51E+00 | 8.60E-02 | -2.20E-04 | 9.51E-06 |
| A18 | 0 | -4.54E-01 | -2.26E-02 | 1.72E-05 | -1.10E-06 |
| A20 | 0 | 5.56E-02 | 2.52E-03 | -5.86E-07 | 4.48E-08 |
Table one is the detailed structured data of first embodiment, wherein radius of curvature and the unit of thickness are mm, and surface 0-
10 sequentially indicate surface of 101 to the 5th lens 105 of the first lens by object side to image side.
Table two is the aspherical surface data in first embodiment, wherein A2-A20 then indicates that each surface 2-20 ranks are aspherical
Coefficient.In addition, the definition of data is all identical as the definition of the table of the present embodiment one and table two in following embodiment table, herein
It is not added with and repeats.
~Fig. 4 is please referred to Fig.1, and combines table one and table two, camera optical camera lens group 100 provided in this embodiment is by setting
Count the focal length, the center thickness of the 4th lens 104 and the 5th lens 105 and the curvature of the second lens 102 of each lens so that five
The parameters relationships of piece lens meets (1)~(4) formula simultaneously, then the image quality that camera optical camera lens group 100 can reach, and
And can be made more frivolous, length smaller meets the needs of miniaturization.
Second embodiment
The camera optical camera lens group 100 that the present embodiment is provided, basic structure and principle and the technique effect of generation and
First embodiment is identical, and to briefly describe, the present embodiment part does not refer to place, can refer to corresponding contents in first embodiment.
It please refers to Fig. 5~Fig. 8, and combines table three and table four, camera optical camera lens group 100 that the present embodiment is provided and the
The camera optical camera lens group 100 of the offer of one embodiment is difference lies in design parameter difference, the camera shooting that the present embodiment is provided
The design parameter of optical lens group 100 is as follows：
Table three, second embodiment parameter
Table four, asphericity coefficient
| Surface | R1 | R2 | R3 | R4 | R5 |
| A2 | 0.00E+00 | 0.00E+00 | 0.00E+00 | 0.00E+00 | 0.00E+00 |
| A4 | -4.54E-03 | 8.72E-02 | 4.56E-02 | -4.68E-02 | -1.23E-01 |
| A6 | 8.16E-02 | -1.54E-01 | -1.13E-02 | 1.12E-01 | 2.21E-01 |
| A8 | -3.10E-01 | 4.25E-01 | 1.10E-01 | -1.11E-01 | -8.43E-01 |
| A10 | 6.77E-01 | -1.05E+00 | -5.82E-01 | -1.02E-01 | 1.91E+00 |
| A12 | -8.66E-01 | 1.28E+00 | 9.39E-01 | 4.27E-01 | -2.60E+00 |
| A14 | 5.94E-01 | -8.58E-01 | -8.08E-01 | -4.67E-01 | 1.93E+00 |
| A16 | -1.84E-01 | 2.47E-01 | 3.07E-01 | 1.81E-01 | -5.95E-01 |
| A18 | 0 | 0 | 0 | 0 | 0 |
| A20 | 0 | 0 | 0 | 0 | 0 |
| Surface | R6 | R7 | R8 | R9 | R10 |
| A2 | 0.00E+00 | 0.00E+00 | 0.00E+00 | 0.00E+00 | 0.00E+00 |
| A4 | -7.98E-02 | -2.45E-02 | -1.15E-01 | -5.31E-02 | -5.98E-02 |
| A6 | 8.79E-02 | -1.71E-01 | 3.76E-03 | 4.57E-02 | 2.92E-02 |
| A8 | -1.22E-01 | 9.69E-01 | 1.54E-01 | -3.87E-02 | -1.16E-02 |
| A10 | 1.08E-01 | -2.18E+00 | -2.52E-01 | 2.17E-02 | 2.80E-03 |
| A12 | -8.47E-02 | 3.04E+00 | 2.65E-01 | -7.47E-03 | -3.15E-04 |
| A14 | 4.50E-02 | -2.73E+00 | -1.88E-01 | 1.62E-03 | -1.59E-05 |
| A16 | -4.92E-03 | 1.51E+00 | 8.61E-02 | -2.20E-04 | 9.51E-06 |
| A18 | 0 | -4.54E-01 | -2.26E-02 | 1.72E-05 | -1.10E-06 |
| A20 | 0 | 5.59E-02 | 2.54E-03 | -5.87E-07 | 4.45E-08 |
3rd embodiment
The camera optical camera lens group 100 that the present embodiment is provided, basic structure and principle and the technique effect of generation and
First embodiment is identical, and to briefly describe, the present embodiment part does not refer to place, can refer to corresponding contents in first embodiment.
Please refer to Fig. 9~Figure 12, and combine table five and table six, the camera optical camera lens group 100 that the present embodiment is provided with
Difference lies in design parameter difference, what the present embodiment was provided takes the photograph the camera optical camera lens group 100 of the offer of first embodiment
As the design parameter of optical lens group 100 is as follows：
Table five, 3rd embodiment parameter
Table six, asphericity coefficient
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of camera optical camera lens group, which is characterized in that include sequentially by object side to image side：
First lens of the one positive refracting power of tool, object side surface are convex surface, and image side surface is convex surface；
One tool bears the second lens of refracting power, and object side surface is convex surface, and image side surface is concave surface；
The third lens of the one positive refracting power of tool, object side surface are concave surface, and image side surface is convex surface；
4th lens of one tool refracting power, object side surface are concave surface, and image side surface is convex surface；
5th lens of one tool refracting power, image side centre of surface range shape are concave surface；
Wherein, the total focal length of the camera optical camera lens group is f, and the focal length of first lens is f1, second lens
Focal length is f2, and the focal length of the third lens is f3, and the focal length of the 4th lens is f4, and the focal length of the 5th lens is
The center thickness of f5, the 4th lens are TC4, and the center thickness of the 5th lens is TC5, the object side of second lens
Curvature be R3, the curvature of the image side of second lens is R4, meets following relationship：
f/f4>0；
0.6<TC5/TC4<1.2；
R4/R3<0.3；And
f1*f2*f3*f4*f5>0；
The f-number of the camera optical camera lens group is F#, meets following relationship：
F#<=2.4；
The system length of the camera optical camera lens group is TTL, and the imaging overall height of the camera optical camera lens group is ImD, is expired
Sufficient following relationship：
TTL/ImD<1.2。
2. camera optical camera lens group according to claim 1, which is characterized in that the 4th lens have positive refracting power.
3. camera optical camera lens group according to claim 1, which is characterized in that the 5th lens have positive refracting power.
4. camera optical camera lens group according to claim 1, which is characterized in that first lens, second lens,
The surface of the third lens, the 4th lens and the 5th lens is all aspherical.
5. camera optical camera lens group according to claim 1, which is characterized in that the camera optical camera lens group further include to
A few filter element, the filter element are set between the 5th lens and an imaging surface.
6. camera optical camera lens group according to claim 5, which is characterized in that the filter element filters for infrared ray
Piece.
7. camera optical camera lens group according to claim 6, which is characterized in that the infrared filter uses glass system
At.
8. camera optical camera lens group according to claim 1, which is characterized in that the camera optical camera lens group further includes light
Circle, the aperture are set between object side and first lens.
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| CN107422457B (en) * | 2017-08-18 | 2023-04-25 | 深圳市晶钛光学股份有限公司 | Optical lens group, optical module and electronic equipment |
| CN111123472B (en) * | 2018-11-01 | 2023-03-24 | 佳能企业股份有限公司 | Optical lens |
| WO2021127860A1 (en) * | 2019-12-23 | 2021-07-01 | 诚瑞光学(常州)股份有限公司 | Camera optical lens |
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| US8654242B2 (en) * | 2009-09-02 | 2014-02-18 | Konica Minolta Opto, Inc. | Single-focus optical system, image pickup device, and digital apparatus |
| JPWO2012017585A1 (en) * | 2010-08-06 | 2013-09-19 | パナソニック株式会社 | Imaging device |
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Effective date of registration: 20200507 Address after: No. 50, middle Beijing Road, zone B, export processing zone, economic and Technological Development Zone, Yantai City, Shandong Province Patentee after: Hongfujin Precision Electronics (Yantai) Co.,Ltd. Address before: 212000 No. 9 butterfly Plaza, 168 Yangtze River Road, Dagang, Zhenjiang, Jiangsu, China No. 0812 Patentee before: ZHENJIANG PANHE TRADING Co.,Ltd. |