CN105511053A - High-pixel camera shooting optical system and camera lens used by high-pixel camera shooting optical system - Google Patents
High-pixel camera shooting optical system and camera lens used by high-pixel camera shooting optical system Download PDFInfo
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- CN105511053A CN105511053A CN201610021504.0A CN201610021504A CN105511053A CN 105511053 A CN105511053 A CN 105511053A CN 201610021504 A CN201610021504 A CN 201610021504A CN 105511053 A CN105511053 A CN 105511053A
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- lens
- optical system
- pixel camera
- pixel
- image planes
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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
-
- 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
- G02B13/0055—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element
- G02B13/006—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element at least one element being a compound optical element, e.g. cemented elements
-
- 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
Abstract
The embodiment of the invention discloses a high-pixel camera shooting optical system. The high-pixel camera shooting optical system at least comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens in sequence from an object surface to an image surface along the optical axis. The optical system meets the following conditions: (1) f/f1 is more than -0.25 and less than -0.1; (2) f/f5 is more than 0 and less than 0.3; (3) f/fI is more than 0.25 and less than 0.45; (4) f/fII is more than 0.05 and less than 0.6. On the other hand, the embodiment of the invention further provides a camera lens. According to the embodiment of the invention, the seven lenses are used in total and the quantity of the lenses is few, so that the structure is simple; furthermore, with the adoption of optical conditions met by the optical system or the camera lens, the optical system or the camera lens has the good properties of ultra-wide angle, large aperture, low chromatic aberration, high imaging pixel and the like.
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 and range finding high-pixel camera 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 lens piece number many, complex structure in especially a kind of take photo by plane monitoring and range finding 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:
In order to overcome existing optical system or camera lens, to there is lens piece number many, and complex structure, and imaging problem not clearly, the embodiment of the present invention provides a kind of high-pixel camera optical system on the one hand.
A kind of high-pixel camera 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 and the 7th lens; This optical system meets following condition:
(1)-0.25<f/f1<-0.1；
(2)0<f/f5<0.3；
(3)0.25<f/fⅠ<0.45；
(4)0.05<f/fⅡ<0.6；
Wherein, f is the focal length of whole optical system, and f1 is the focal length of the first lens, and f5 is the focal length of the 5th lens, f I is the combined focal length of the first lens, the second lens, the 3rd lens, the 4th lens and the 5th lens, and f II is the combined focal length of the 6th lens and the 7th 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 high-pixel camera optical system described above in camera lens.
The embodiment of the present invention, optical system or camera lens are made up of 7 pieces of lens altogether, and lens piece number is few, 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, is applicable to the equipment such as unmanned plane, aerial photography device, is taking photo by plane monitoring and range finding used time, can form 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 high-pixel camera optical system, 9 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 and the 7th lens 7; This optical system meets following condition:
(1)-0.25<f/f1<-0.1；
(2)0<f/f5<0.3；
(3)0.25<f/fⅠ<0.45；
(4)0.05<f/fⅡ<0.6；
Wherein, f is the focal length of whole optical system, and f1 is the focal length of the first lens 1, and f5 is the focal length of the 5th lens 5, f I is the combined focal length of the first lens 1, second lens 2, the 3rd lens 3, the 4th lens 4 and the 5th lens 5, and f II is the combined focal length of the 6th lens 6 and the 7th lens 7.
The embodiment of the present invention, altogether 7 pieces of lens, lens piece number is few, 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, is applicable to the equipment such as unmanned plane, aerial photography device, is taking photo by plane monitoring and range finding used time, can form high pixel image.
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-0.25<f/f1<-0.1 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 2 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, is 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, image planes side is convex surface, its focal power is just, its Refractive Index of Material Nd3, material Abbe constant Vd3 meet: Nd3 > 1.83, Vd3 < 39, is conducive to making optical system or camera lens form sharp image.
Further, the object plane side of described 4th lens 4 is convex surface, image planes side is concave surface, its focal power is just, heavy-lanthanide flint glass is adopted to make, its Refractive Index of Material Nd4, material Abbe constant Vd4 meet: Nd4 > 1.82, Vd4 < 43, are conducive to making optical system or camera lens form sharp image.
Again further, the object plane side of described 5th lens 5 is concave surface, and image planes side is convex surface, and its focal power is just, adopts heavy-lanthanide flint glass to make.
Again further, described 6th lens 6 are biconvex lens, and its focal power is just; The object plane side of described 7th lens 7 is concave surface, and image planes side is convex surface, and its focal power is just, its focal power is negative; 6th lens 6 and the 7th lens 7 mutually gummed form balsaming lens, and the 6th lens 6 adopt lanthanum flint glass to make, and the 7th lens 7 adopt dense flint glass to make, and its combined focal length f II meets: 4.5mm<f II <6.8mm.Compact conformation, can ensure high-performance image quality.
Further, the diaphragm of optical system between the 5th lens 5 and the 6th lens 6, near the side of the 6th lens 6.
Again further, cover glass 8 is also provided with between described 7th lens 7 and image planes 9.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 and the 7th lens 7 are glass lens.High-performance image quality can be ensured.
Particularly, in the present embodiment, the focal distance f of this optical system is 1.43mm, stop index FNo. is 2.2, field angle 2 ω=150 ° of horizontal direction, the field angle to angular direction: 2 ω=210 °.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 9, 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; STO is diaphragm position; S12, S13 correspond to two surfaces of the balsaming lens be made up of the 6th lens 6 and the 7th lens 7; S14, S15 correspond to two surfaces of cover glass 8.
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 high-pixel camera 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 high-pixel camera 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 and the 7th lens; It is characterized in that, this optical system meets following condition:
(1)-0.25<f/f1<-0.1；
(2)0<f/f5<0.3；
(3)0.25<f/fⅠ<0.45；
(4)0.05<f/fⅡ<0.6；
Wherein, f is the focal length of whole optical system, and f1 is the focal length of the first lens, and f5 is the focal length of the 5th lens, f I is the combined focal length of the first lens, the second lens, the 3rd lens, the 4th lens and the 5th lens, and f II is the combined focal length of the 6th lens and the 7th lens.
2. high-pixel camera optical system according to claim 1, 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.
3. high-pixel camera optical system according to claim 1, 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.
4. high-pixel camera optical system according to claim 1, 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 > 1.83, Vd3 < 39.
5. high-pixel camera optical system according to claim 1, 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 > 1.82, Vd4 < 43.
6. high-pixel camera optical system according to claim 1, is characterized in that, the object plane side of described 5th lens is concave surface, and image planes side is convex surface, and its focal power is just.
7. high-pixel camera optical system according to claim 1, is characterized in that, described 6th lens are biconvex lens, and its focal power is just; The object plane side of described 7th lens is concave surface, and image planes side is convex surface, and its focal power is just, its focal power is negative; 6th lens and the 7th lens glue together formation balsaming lens mutually, and its combined focal length f II meets: 4.5mm<f II <6.8mm.
8. high-pixel camera optical system according to claim 1, is characterized in that, the diaphragm of optical system between the 5th lens and the 6th lens, near the side of the 6th lens.
9. high-pixel camera optical system according to claim 1, is characterized in that, described first lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens are glass lens.
10. a camera lens, is characterized in that, is provided with the high-pixel camera optical system described in any one of claim 1-9 in camera lens.
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| CN201610021504.0A CN105511053B (en) | 2016-01-12 | 2016-01-12 | A kind of high-pixel camera optical system and its camera lens of application |
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| CN201610021504.0A CN105511053B (en) | 2016-01-12 | 2016-01-12 | A kind of high-pixel camera optical system and its camera lens of application |
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| CN105511053B CN105511053B (en) | 2017-12-15 |
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Cited By (5)
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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 |
| CN109581636A (en) * | 2017-11-07 | 2019-04-05 | 玉晶光电(厦门)有限公司 | Optical imaging lens |
| CN112083554A (en) * | 2020-09-17 | 2020-12-15 | 长光卫星技术有限公司 | Super wide angle low distortion long focus fish eye optical system |
| US10996444B2 (en) | 2018-04-18 | 2021-05-04 | Largan Precision Co., Ltd. | Photographing optical lens assembly, imaging apparatus and electronic device |
| CN109581636B (en) * | 2017-11-07 | 2024-04-26 | 玉晶光电(厦门)有限公司 | Optical imaging lens |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112083554A (en) * | 2020-09-17 | 2020-12-15 | 长光卫星技术有限公司 | Super wide angle low distortion long focus fish eye optical system |
| CN112083554B (en) * | 2020-09-17 | 2021-12-17 | 长光卫星技术有限公司 | Super wide angle low distortion long focus fish eye optical system |
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| CN105511053B (en) | 2017-12-15 |
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Address after: 528400 Zhongshan Province, the Torch Development Zone, Guangdong venture Road, No. twentieth, building fifth, floor 18 Applicant after: Guangdong Hongjing Optoelectronics Technology Co., Ltd. Address before: 528400 Zhongshan Province, the Torch Development Zone, Guangdong venture Road, No. twentieth, building fifth, floor 18 Applicant before: ZHONGSHAN HONGJING OPTICAL TECHNOLOGY Co.,Ltd. |
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