CN105511053B - A kind of high-pixel camera optical system and its camera lens of application - Google Patents
A kind of high-pixel camera optical system and its camera lens of application Download PDFInfo
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- CN105511053B CN105511053B CN201610021504.0A CN201610021504A CN105511053B CN 105511053 B CN105511053 B CN 105511053B CN 201610021504 A CN201610021504 A CN 201610021504A CN 105511053 B CN105511053 B CN 105511053B
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- lens
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- image planes
- object plane
- pixel camera
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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
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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
- G02B13/0055—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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
The embodiment of the invention discloses a kind of high-pixel camera optical system, is comprised at least successively from object plane to image planes along optical axis：First lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens；The 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.On the other hand, the embodiment of the present invention additionally provides a kind of camera lens.The embodiment of the present invention, 7 pieces of lens, lens piece number are less, simple in construction altogether；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.
Description
Technical field：
It is especially a kind of to be applied to unmanned plane, aerial photography device etc. the present invention relates to a kind of optical system and its camera lens of application
Take photo by plane monitoring and ranging high-pixel camera optical system and the camera lens of equipment.
Background technology：
Existing optical system or camera lens, especially a kind of take photo by plane monitoring and survey suitable for equipment such as unmanned plane, aerial photography devices
It is more away from lens piece number with optical system or camera lens, be present, it is complicated, and it is imaged the defects of not clear enough.
The content of the invention：
For overcome existing optical system or camera lens lens piece number to be present more, it is complicated, and be imaged the problem of not clear enough,
On the one hand the embodiment of the present invention provides a kind of high-pixel camera optical system.
A kind of high-pixel camera optical system, comprised at least successively from object plane to image planes along optical axis：It is first lens, second saturating
Mirror, the 3rd lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens；The 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, and f I is
First lens, the second lens, the 3rd lens, the combined focal length of the 4th lens and the 5th lens, f II are that the 6th lens and the 7th are saturating
The combined focal length of mirror.
On the other hand, the embodiment of the present invention additionally provides a kind of camera lens.
A kind of camera lens, high-pixel camera optical system described above is installed 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, simple in construction；Separately
Outside, the optical condition that this optical system or camera lens meet, it is excellent to make it have ultra-wide angle, large aperture, low aberration, imaging pixel height etc.
Benign energy, suitable for equipment such as unmanned plane, aerial photography devices, in monitoring and the ranging used time of taking photo by plane, high pixel image can be formed.
Brief description of the drawings：
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the optical system of the present invention or the structural representation of camera lens；
Fig. 2 is the optical system of the present invention or the curvature of field and distortion curve figure of camera lens；
Fig. 3 is the optical system of the present invention or the chromaticity difference diagram of camera lens；
Fig. 4 is the optical system of the present invention or the MTF transfer curve figures of camera lens；
Fig. 5 is the optical system of the present invention or the relative illumination figure of camera lens.
Embodiment：
In order that technical problem solved by the invention, technical scheme and beneficial effect are more clearly understood, below in conjunction with
Drawings and Examples, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
As shown in figure 1, a kind of high-pixel camera optical system, 9 comprised at least successively from object plane to image planes along optical axis：First
Lens 1, the second lens 2, the 3rd lens 3, the 4th lens 4, the 5th lens 5, the 6th lens 6 and the 7th lens 7；The optics
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 be whole optical system focal length, f1 be the first lens 1 focal length, f5 be the 5th lens 5 focal length, f I
For the combined focal length of the first lens 1, the second lens 2, the 3rd lens 3, the 4th lens 4 and the 5th lens 5, f II is the 6th lens 6
With the combined focal length of the 7th lens 7.
The embodiment of the present invention, 7 pieces of lens, lens piece number are less, simple in construction altogether；In addition, this optical system or camera lens are expired
Foot optical condition, make it have the premium properties such as ultra-wide angle, large aperture, low aberration, imaging pixel height, suitable for unmanned plane,
The equipment such as aerial photography device, in monitoring and the ranging used time of taking photo by plane, high pixel image can be formed.
Further, the object plane side of first lens 1 is convex surface, and image planes side is concave surface, and its focal power is negative, and it meets
Optical condition -0.25<f/f1<- 0.1, there is disperse function to light, be mainly used in receiving the light of larger angle range incident
Line.
Yet further, the object plane side of second lens 2 is convex surface, and image planes side is concave surface, and its focal power is negative, its material
Expect that refractive index Nd2, material Abbe constant Vd2 meet：Nd2 ＞ 1.80, Vd2 ＜ 50, be advantageous to form optical system or camera lens
Sharp image.
Further, the object plane side of the 3rd lens 3 is concave surface, and image planes side is convex surface, and its focal power is just its material
Expect that refractive index Nd3, material Abbe constant Vd3 meet：Nd3 ＞ 1.83, Vd3 ＜ 39, be advantageous to form optical system or camera lens
Sharp image.
Further, the object plane side of the 4th lens 4 is convex surface, and image planes side is concave surface, and its focal power is just, to use
Heavy-lanthanide flint glass is made, and its Refractive Index of Material Nd4, material Abbe constant Vd4 meet：Nd4 ＞ 1.82, Vd4 ＜ 43, is advantageous to
Optical system or camera lens is set to form sharp image.
Yet further, the object plane side of the 5th lens 5 is concave surface, and image planes side is convex surface, and its focal power is just, to use
Heavy-lanthanide flint glass is made.
Further, the 6th lens 6 are biconvex lens, and its focal power is just；The object plane side of 7th lens 7
For concave surface, image planes side is convex surface, and its focal power is negative；6th lens 6 and the mutually glued composition balsaming lens of the 7th lens 7, the
Six lens 6 are made of lanthanum flint glass, and the 7th lens 7 are made of dense flint glass, and its combined focal length f II meets：4.5mm
<fⅡ<6.8mm.It is compact-sized, it is ensured that high-performance image quality.
Further, the diaphragm of optical system is between the 5th lens 5 and the 6th lens 6, close to the 6th lens 6
Side.
Yet further, it is additionally provided with protective glass 8 between the 7th lens 7 and image planes 9.It is simple in construction, can be to each
Mirror shields.
Specifically, first lens 1, the second lens 2, the 3rd lens 3, the 4th lens 4, the 5th lens 5, the 6th lens
6 and the 7th lens 7 be glass lens.High-performance image quality can be ensured.
Specifically, in the present embodiment, the focal length f of this optical system is 1.43mm, and stop index FNo. is 2.2, horizontal
ω=150 ° of the angle of visual field 2 in direction, the diagonally opposed angle of visual field：2 ω=210 °.Every basic parameter of this optical system is as follows
Shown in table：
In upper table, along optical axis 9 from object plane to image planes, S1, S2 correspond to two surfaces of the first lens 1；S3, S4 are corresponded to
Two surfaces of the second lens 2；S5, S6 correspond to two surfaces of the 3rd lens 3；S7, S8 correspond to two of the 4th lens 4
Surface；S9, S10 correspond to two surfaces of the 5th lens 5；STO is diaphragm position；S12, S13 correspond to saturating by the 6th
Two surfaces of the balsaming lens that the lens 7 of mirror 6 and the 7th are formed；S14, S15 correspond to two surfaces of protective glass 8.
In from Fig. 2 to Fig. 5 as can be seen that this optical system there is good optical property, have ultra-wide angle, large aperture,
The premium properties such as low aberration, imaging pixel height.
A kind of camera lens, high-pixel camera optical system described above is installed in camera lens.
It is to combine one or more embodiments that particular content provides as described above, does not assert the specific reality of the present invention
Apply and be confined to these explanations.It is all approximate with method of the invention, structure etc., identical, or for present inventive concept under the premise of
Some technology deduction or replace are made, should all be considered as protection scope of the present invention.
Claims (10)
1. a kind of high-pixel camera optical system, comprised at least successively from object plane to image planes along optical axis：It is first lens, second saturating
Mirror, the 3rd lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens；Characterized in that, the 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, and f I is first
Lens, the second lens, the 3rd lens, the combined focal length of the 4th lens and the 5th lens, f II are the 6th lens and the 7th lens
Combined focal length.
2. high-pixel camera optical system according to claim 1, it is characterised in that the object plane side of first lens is
Convex surface, image planes side are concave surface, and its focal power is negative.
3. high-pixel camera optical system according to claim 1, it is characterised in that the object plane side of second lens is
Convex surface, image planes side are 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.
4. high-pixel camera optical system according to claim 1, it is characterised in that the object plane side of the 3rd lens is
Concave surface, image planes side are convex surface, and its focal power is just, its Refractive Index of Material Nd3, material Abbe constant Vd3 meets：Nd3 ＞ 1.83,
Vd3 ＜ 39.
5. high-pixel camera optical system according to claim 1, it is characterised in that the object plane side of the 4th lens is
Convex surface, image planes side are concave surface, and its focal power is just, its Refractive Index of Material Nd4, material Abbe constant Vd4 meets：Nd4 ＞ 1.82,
Vd4 ＜ 43.
6. high-pixel camera optical system according to claim 1, it is characterised in that the object plane side of the 5th lens is
Concave surface, image planes side are convex surface, and its focal power is just.
7. high-pixel camera optical system according to claim 1, it is characterised in that the 6th lens are lenticular
Mirror, its focal power is just；The object plane side of 7th lens is concave surface, and image planes side is convex surface, and its focal power is negative；6th lens
With the mutually glued composition balsaming lens of the 7th lens, its combined focal length f II meets：4.5mm<fⅡ<6.8mm.
8. high-pixel camera optical system according to claim 1, it is characterised in that the diaphragm of optical system is located at the 5th
Between lens and the 6th lens, close to the side of the 6th lens.
9. high-pixel camera optical system according to claim 1, it is characterised in that first lens, the second lens,
3rd lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens are glass lens.
10. a kind of camera lens, it is characterised in that the high-pixel camera optics described in claim any one of 1-9 is provided with camera lens
System.
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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 true CN105511053B (en) | 2017-12-15 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN108107550A (en) * | 2017-11-07 | 2018-06-01 | 玉晶光电(厦门)有限公司 | Optical imaging lens |
| TWI650592B (en) | 2018-04-18 | 2019-02-11 | 大立光電股份有限公司 | Camera optical lens group, image capturing device and electronic device |
| CN110579865B (en) * | 2019-09-20 | 2024-05-31 | 万象九域科技发展(北京)有限公司 | High-definition ultra-wide angle flat field objective lens |
| 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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| CN202886713U (en) * | 2012-08-13 | 2013-04-17 | 大立光电股份有限公司 | Image lens system set |
| CN104898258A (en) * | 2015-06-24 | 2015-09-09 | 中山联合光电科技股份有限公司 | High-low-temperature, infrared-confocal, super-small-distortion and super-wide-angle optical system |
| CN205353444U (en) * | 2016-01-12 | 2016-06-29 | 中山市弘景光电科技有限公司 | High pixel camera optical system and camera lens of using thereof |
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| JP2005189638A (en) * | 2003-12-26 | 2005-07-14 | Nagano Kogaku Kenkyusho:Kk | Zoom lens |
| JP5083219B2 (en) * | 2006-12-20 | 2012-11-28 | コニカミノルタアドバンストレイヤー株式会社 | Variable-magnification optical system, imaging device, and digital device |
| TWI329213B (en) * | 2007-04-03 | 2010-08-21 | Asia Optical Co Inc | Zoom lens system |
| JP5963039B2 (en) * | 2012-03-16 | 2016-08-03 | 株式会社リコー | Imaging lens, camera and portable information terminal device |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202886713U (en) * | 2012-08-13 | 2013-04-17 | 大立光电股份有限公司 | Image lens system set |
| CN104898258A (en) * | 2015-06-24 | 2015-09-09 | 中山联合光电科技股份有限公司 | High-low-temperature, infrared-confocal, super-small-distortion and super-wide-angle optical system |
| CN205353444U (en) * | 2016-01-12 | 2016-06-29 | 中山市弘景光电科技有限公司 | High pixel camera optical system and camera lens of using thereof |
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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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