CN105549181A - Wide-angle high pixel density image pick-up optical system and lens applying the same - Google Patents
Wide-angle high pixel density image pick-up optical system and lens applying the same Download PDFInfo
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- CN105549181A CN105549181A CN201610021468.8A CN201610021468A CN105549181A CN 105549181 A CN105549181 A CN 105549181A CN 201610021468 A CN201610021468 A CN 201610021468A CN 105549181 A CN105549181 A CN 105549181A
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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
- G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
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Abstract
One embodiment of the invention discloses a wide-angle high pixel density image pick-up optical system and a lens applying the same. From an object plane to an image plane along an optical axis of the system, the system comprises at least a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens and a ninth lens which are successively arranged; the optical system satisfies following conditions: (1) -0.3<f/f1<-0.12; (2)-0.5<f/f2<-0.1; (3)0.01<f/f3<0.03; (4)-0.1<f/f56<0; (5)0.05<f/f89<0.45, wherein, f represents the focal distance of the whole optical system, f1 represents the focal distance of the first lens, f2 represents the focal distance of the second lens, f3 represents the focal distance of the third lens, f56 represents the combined focal distance of the fifth lens and the sixth lens, f89 represents the combined focal distance of the eighth lens and the ninth lens. On the other hand, the embodiment also provides a lens. According to the embodiment of the invention, the optical system or the lens is constituted of nine lenses and has a simple structure; in addition, the optical system or the lens has excellent performances such as ultra-wide angle, large aperture, low color aberration, and high pixel density of imaging, and therefore images with high pixel density are obtained.
Description
Technical field:
The present invention relates to the camera lens of a kind of optical system and application thereof, especially a kind of take photo by plane monitoring wide-angle high pixel image pickup optical system and camera lens being applicable to the equipment such as unmanned plane, aerial photography device.
Background technology:
Existing optical system or camera lens, there is complex structure in especially a kind of take photo by plane monitoring optical system or camera lens being applicable to the equipment such as unmanned plane, aerial photography device, and imaging defect not clearly.
Summary of the invention:
For overcoming existing optical system or camera lens exists complex structure, and imaging problem not clearly, the embodiment of the present invention provides a kind of wide-angle high pixel image pickup optical system on the one hand.
A kind of wide-angle high pixel image pickup optical system, at least comprises from object plane to image planes successively along optical axis: the first lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens, the 8th lens and the 9th lens; This optical system meets following condition:
(1)-0.3<f/f1<-0.12；
(2)-0.5<f/f2<-0.1；
(3)0.01<f/f3<0.03；
(4)-0.1<f/f56<0；
(5)0.05<f/f89<0.45；
Wherein, f is the focal length of whole optical system, and f1 is the focal length of the first lens, and f2 is the focal length of the second lens, and f3 is the focal length of the 3rd lens, and f56 is the combined focal length of the 5th lens and the 6th lens, and f89 is the combined focal length of the 8th lens and the 9th lens.
On the other hand, the embodiment of the present invention additionally provides a kind of camera lens.
A kind of camera lens, is provided with wide-angle high pixel image pickup optical system described above in camera lens.
The embodiment of the present invention, optical system or camera lens are made up of 9 pieces of lens, and structure is simple; In addition, the optical condition that this optical system or camera lens meet, makes it have the premium properties such as ultra-wide angle, large aperture, low aberration, imaging pixel height, being applicable to the equipment such as unmanned plane, aerial photography device, when taking photo by plane monitoring, can forming high pixel image.
Accompanying drawing illustrates:
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of optical system of the present invention or camera lens;
Fig. 2 is the curvature of field and the distortion curve figure of optical system of the present invention or camera lens;
Fig. 3 is the chromaticity difference diagram of optical system of the present invention or camera lens;
Fig. 4 is the MTF transfer curve figure of optical system of the present invention or camera lens;
Fig. 5 is the relative exposure figure of optical system of the present invention or camera lens.
Embodiment:
In order to make technical matters solved by the invention, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, a kind of wide-angle high pixel image pickup optical system, 11 at least to comprise from object plane to image planes successively along optical axis: the first lens 1, second lens 2, the 3rd lens 3, the 4th lens 4, the 5th lens 5, the 6th lens 6, the 7th lens 7, the 8th lens 8 and the 9th lens 9; This optical system meets following condition:
(1)-0.3<f/f1<-0.12；
(2)-0.5<f/f2<-0.1；
(3)0.01<f/f3<0.03；
(4)-0.1<f/f56<0；
(5)0.05<f/f89<0.45；
Wherein, f is the focal length of whole optical system, and f1 is the focal length of the first lens 1, f2 is the focal length of the second lens 2, f3 is the focal length of the 3rd lens 3, and f56 is the combined focal length of the 5th lens 5 and the 6th lens 6, and f89 is the combined focal length of the 8th lens 8 and the 9th lens 9.
The embodiment of the present invention, optical system or camera lens are made up of 9 pieces of lens, and structure is simple; In addition, the optical condition that this optical system or camera lens meet, makes it have the premium properties such as ultra-wide angle, large aperture, low aberration, imaging pixel height, being applicable to the equipment such as unmanned plane, aerial photography device, when taking photo by plane monitoring, can forming high pixel image.
Further, this optical system also meets following condition: 0.3<f/f I <0.6; Wherein, f I is the combined focal length of the 7th lens 7, the 8th lens 8 and the 9th lens 9.Further guarantee forms high pixel image.
Again further, the object plane side of described first lens 1 is convex surface, and image planes side is concave surface, its focal power is negative, its optical condition-0.3<f/f1<-0.12 met, has disperse function to light, is mainly used in the light receiving larger angle range incident.
Again further, the object plane side of described second lens is convex surface, and image planes side is concave surface, and its focal power is negative, and its Refractive Index of Material Nd2, material Abbe constant Vd2 meet: Nd2 > 1.80, Vd2 < 50.Be conducive to making optical system or camera lens form sharp image.
Again further, the object plane side of described 3rd lens 3 is concave surface, and image planes side is convex surface, and its focal power is just, its Refractive Index of Material Nd3, material Abbe constant Vd3 meet: Nd3 > 1.73, Vd3 < 50.Be conducive to making optical system or camera lens form sharp image.
Further, the object plane side of described 4th lens 4 is convex surface, and image planes side is concave surface, its focal power is just, adopt heavy-lanthanide flint glass to make, its Refractive Index of Material Nd4, material Abbe constant Vd4 meet: Nd4 > 1.90, Vd4 < 43.Be conducive to making optical system or camera lens form sharp image.
Again further, described 5th lens 5 are biconvex lens, and its object plane side is convex surface, and image planes side is convex surface, and its focal power is just.
Again further, described 6th lens 6 are biconcave lens, and its object plane side is concave surface, and image planes side is concave surface, and its focal power is negative.
Again further, described 7th lens 7 are plano-convex lens, and its object plane side is plane, image planes side is convex surface, have positive focal power, its Refractive Index of Material Nd7, material Abbe constant Vd7 meet: Nd7 > 1.80, Vd7 < 50.Be conducive to making optical system or camera lens form sharp image.
Further, described 8th lens 8 are biconvex lens, and its object plane side is convex surface, and image planes side is convex surface, has positive focal power.Be conducive to making optical system or camera lens form sharp image.
Again further, the object plane side of described 9th lens 9 is concave surface, and image planes side is convex surface, has negative focal power.Be conducive to making optical system or camera lens form sharp image.
Again further, described 5th lens 5 and the 6th lens 6 mutually gummed form balsaming lens, have negative focal power.Compact conformation, can ensure high-performance image quality.
Again further, described 8th lens 8 and the 9th lens 9 mutually gummed form balsaming lens, have positive focal power.Compact conformation, can ensure high-performance image quality.
Further, the diaphragm of optical system between the 6th lens 6 and the 7th lens 7, near the side of the 7th lens 7.
Again further, cover glass 10 is also provided with between described 9th lens 9 and image planes 11.Structure is simple, can shield to each lens.
Particularly, described first lens 1, second lens 2, the 3rd lens 3, the 4th lens 4, the 5th lens 5, the 6th lens 6, the 7th lens 7, the 8th lens 8 and the 9th lens 9 are glass lens.High-performance image quality can be ensured.
Particularly, in the present embodiment, the focal distance f of this optical system is 1.81mm, stop index FNo. is 2.2, field angle 2 ω=150 ° of horizontal direction, the field angle to angular direction: 2 ω=190.6 °.Every basic parameter of this optical system is as shown in the table:
In upper table, along optical axis from object plane to image planes 11, S1, S2 corresponds to two surfaces of the first lens 1; S3, S4 correspond to two surfaces of the second lens 2; S5, S6 correspond to two surfaces of the 3rd lens 3; S7, S8 correspond to two surfaces of the 4th lens 4; S9, S10 correspond to two surfaces of the 5th lens 5; S10, S11 correspond to two surfaces of the 6th lens 6; STO is diaphragm position; S13, S14 correspond to two surfaces of the 7th lens 7; S15, S16 correspond to two surfaces of the 8th lens 8; S16, S17 correspond to two surfaces of the 9th lens 9; S18, S19 correspond to two surfaces of cover glass 10.
In as can be seen from Fig. 2 to Fig. 5, this optical system has good optical property, has the premium properties such as ultra-wide angle, large aperture, low aberration, imaging pixel height.
A kind of camera lens, is provided with wide-angle high pixel image pickup optical system described above in camera lens.
Be one or more embodiments provided in conjunction with particular content as mentioned above, do not assert that specific embodiment of the invention is confined to these explanations.Method all and of the present invention, structure etc. are approximate, identical, or for making some technology deduction or replace under concept thereof of the present invention, all should be considered as protection scope of the present invention.
Claims (10)
1. a wide-angle high pixel image pickup optical system, at least comprises from object plane to image planes successively along optical axis: the first lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens, the 8th lens and the 9th lens; It is characterized in that, this optical system meets following condition:
(1)-0.3<f/f1<-0.12；
(2)-0.5<f/f2<-0.1；
(3)0.01<f/f3<0.03；
(4)-0.1<f/f56<0；
(5)0.05<f/f89<0.45；
Wherein, f is the focal length of whole optical system, and f1 is the focal length of the first lens, and f2 is the focal length of the second lens, and f3 is the focal length of the 3rd lens, and f56 is the combined focal length of the 5th lens and the 6th lens, and f89 is the combined focal length of the 8th lens and the 9th lens.
2. wide-angle high pixel image pickup optical system according to claim 1, is characterized in that, this optical system also meets following condition: 0.3<f/f I <0.6; Wherein, f I is the combined focal length of the 7th lens, the 8th lens and the 9th lens.
3. wide-angle high pixel image pickup optical system according to claim 1 and 2, is characterized in that, the object plane side of described first lens is convex surface, and image planes side is concave surface, and its focal power is negative.
4. wide-angle high pixel image pickup optical system according to claim 1 and 2, it is characterized in that, the object plane side of described second lens is convex surface, image planes side is concave surface, its focal power is negative, its Refractive Index of Material Nd2, material Abbe constant Vd2 meet: Nd2 > 1.80, Vd2 < 50.
5. wide-angle high pixel image pickup optical system according to claim 1 and 2, it is characterized in that, the object plane side of described 3rd lens is concave surface, image planes side is convex surface, its focal power is just, its Refractive Index of Material Nd3, material Abbe constant Vd3 meet: Nd3 > 1.73, Vd3 < 50.
6. wide-angle high pixel image pickup optical system according to claim 1 and 2, it is characterized in that, the object plane side of described 4th lens is convex surface, image planes side is concave surface, its focal power is just, its Refractive Index of Material Nd4, material Abbe constant Vd4 meet: Nd4 > 1.90, Vd4 < 43.
7. wide-angle high pixel image pickup optical system according to claim 1 and 2, is characterized in that, described 5th lens object plane side is convex surface, and image planes side is convex surface, and its focal power is just.
8. wide-angle high pixel image pickup optical system according to claim 1 and 2, is characterized in that, described 6th lens object plane side is concave surface, and image planes side is concave surface, and its focal power is negative.
9. wide-angle high pixel image pickup optical system according to claim 1 and 2, it is characterized in that, described 7th lens object plane side is plane, image planes side is convex surface, there is positive focal power, its Refractive Index of Material Nd7, material Abbe constant Vd7 meet: Nd7 > 1.80, Vd7 < 50.
10. a camera lens, is characterized in that, is provided with the wide-angle high pixel image pickup optical system described in any one of claim 1-9 in camera lens.
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| CN201610021468.8A CN105549181B (en) | 2016-01-12 | 2016-01-12 | A kind of wide-angle high pixel imaging optical system and its camera lens of application |
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| CN105549181B CN105549181B (en) | 2018-06-29 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106772935A (en) * | 2016-12-07 | 2017-05-31 | 浙江大华技术股份有限公司 | A kind of lens combination and tight shot |
| CN107065137A (en) * | 2017-03-30 | 2017-08-18 | 广东弘景光电科技股份有限公司 | Ultra wide-angle imaging optical system and its camera module of application |
| CN107193111A (en) * | 2017-07-24 | 2017-09-22 | 广东弘景光电科技股份有限公司 | High pixel fish eye optical systems and its camera module of application |
| CN109001896A (en) * | 2018-09-29 | 2018-12-14 | 苏州莱能士光电科技股份有限公司 | A kind of optical imaging system under no light conditions |
| CN113625436A (en) * | 2021-08-19 | 2021-11-09 | 苏州东方克洛托光电技术有限公司 | Multispectral imaging system of light filter array |
| CN113885178A (en) * | 2021-10-26 | 2022-01-04 | 长春精仪光电技术有限公司 | Wide-spectrum image space telecentric athermal optical system |
| CN114355569A (en) * | 2022-01-12 | 2022-04-15 | 玉晶光电(厦门)有限公司 | Optical imaging lens |
| CN114442285A (en) * | 2021-12-23 | 2022-05-06 | 广东弘景光电科技股份有限公司 | Camera module based on free-form surface design |
| CN114994865A (en) * | 2022-05-12 | 2022-09-02 | 上海盛相工业检测科技有限公司 | Low-distortion large-aperture full-high-definition miniature projection lens |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106772935A (en) * | 2016-12-07 | 2017-05-31 | 浙江大华技术股份有限公司 | A kind of lens combination and tight shot |
| CN107065137B (en) * | 2017-03-30 | 2023-03-28 | 广东弘景光电科技股份有限公司 | Super wide angle optical system of making a video recording and module of making a video recording of using thereof |
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| CN107193111A (en) * | 2017-07-24 | 2017-09-22 | 广东弘景光电科技股份有限公司 | High pixel fish eye optical systems and its camera module of application |
| CN107193111B (en) * | 2017-07-24 | 2023-03-31 | 广东弘景光电科技股份有限公司 | High-pixel fisheye optical system and camera module applying same |
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| CN113625436A (en) * | 2021-08-19 | 2021-11-09 | 苏州东方克洛托光电技术有限公司 | Multispectral imaging system of light filter array |
| CN113885178A (en) * | 2021-10-26 | 2022-01-04 | 长春精仪光电技术有限公司 | Wide-spectrum image space telecentric athermal optical system |
| CN113885178B (en) * | 2021-10-26 | 2024-04-30 | 长春精仪光电技术有限公司 | Wide-spectrum image space telecentric athermalization optical system |
| CN114442285A (en) * | 2021-12-23 | 2022-05-06 | 广东弘景光电科技股份有限公司 | Camera module based on free-form surface design |
| CN114442285B (en) * | 2021-12-23 | 2024-05-03 | 广东弘景光电科技股份有限公司 | Camera module based on free-form surface design |
| CN114355569A (en) * | 2022-01-12 | 2022-04-15 | 玉晶光电(厦门)有限公司 | Optical imaging lens |
| CN114994865A (en) * | 2022-05-12 | 2022-09-02 | 上海盛相工业检测科技有限公司 | Low-distortion large-aperture full-high-definition miniature projection lens |
| CN114994865B (en) * | 2022-05-12 | 2023-10-31 | 上海盛相工业检测科技有限公司 | Low-distortion large-aperture full-high-definition miniature projection lens |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |