CN109407275A - A kind of low light and handy high definition camera lens and its imaging method of distorting - Google Patents
A kind of low light and handy high definition camera lens and its imaging method of distorting Download PDFInfo
- Publication number
- CN109407275A CN109407275A CN201811442444.5A CN201811442444A CN109407275A CN 109407275 A CN109407275 A CN 109407275A CN 201811442444 A CN201811442444 A CN 201811442444A CN 109407275 A CN109407275 A CN 109407275A
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- lens
- biconvex
- negative
- negative lens
- biconvex lens
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- 238000003384 imaging method Methods 0.000 title claims abstract description 13
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract description 20
- 230000003287 optical effect Effects 0.000 claims abstract description 14
- 125000006850 spacer group Chemical group 0.000 claims description 12
- 239000011521 glass Substances 0.000 claims description 10
- 238000012216 screening Methods 0.000 claims description 9
- 238000009738 saturating Methods 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/021—Mountings, adjusting means, or light-tight connections, for optical elements for lenses for more than one lens
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/026—Mountings, adjusting means, or light-tight connections, for optical elements for lenses using retaining rings or springs
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B11/00—Filters or other obturators specially adapted for photographic purposes
- G03B11/04—Hoods or caps for eliminating unwanted light from lenses, viewfinders or focusing aids
- G03B11/045—Lens hoods or shields
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
The present invention relates to a kind of low light and handy high definition camera lens of distortion, along light, from left to right incident direction is disposed with positive crescent moon lens A, negative lens B, negative lens C, biconvex lens D, negative lens E, biconvex lens F, biconvex lens G, negative lens H, biconvex lens I in the optical system of the camera lens.The optical system is suitable for the high-performance of separating and measuring sensor, compact, legerity type, wide temperature applicable range, has the function of low cost, low-power consumption, it can be achieved that extraterrestrial target blur-free imaging.
Description
Technical field
The present invention relates to a kind of low light and handy high definition camera lens and its imaging methods of distorting.
Background technique
Chinese Space optical remote sensing technology is developed to from air remote sensing with artificial satellite, spaceship and space shuttle as fortune
The space remote sensing of load tool plays an important role in the fields such as earth resource exploration, disaster prevention, military prospecting.It is distant
The form imaging mode that sense technology obtains data refers to photography and scanning mode.Wherein optical component must satisfy certain slitting part,
It is indispensable important component.
The deficiencies such as that there are weight is larger for majority short-focus lens at present, distorts larger, and visual field resolution ratio is low, the design of camera lens is not
Only to consider, which reduces delivery cost, will more guarantee imaging effect.
Summary of the invention
In place of against the above deficiency, a kind of simple low light and handy high definition camera lens of distortion of structure is provided
And its imaging method.
The technical scheme is that a kind of low light and handy high definition camera lens of distortion, along light in the optical system of the camera lens
From left to right incident direction is disposed with positive crescent moon lens A, negative lens B, negative lens C, biconvex lens D, negative lens E, biconvex
Lens F, biconvex lens G, negative lens H, biconvex lens I.
Further, the airspace between the positive crescent moon lens A and negative lens B is 0.08mm, negative lens B and negative saturating
Airspace between mirror C is 1.06mm, and the airspace between negative lens C and biconvex lens D is 0.51mm, biconvex lens D
Airspace between negative lens E is 0.12mm, and the airspace between negative lens E and biconvex lens F is 0.12mm, biconvex
Airspace between lens F and biconvex lens G is 0.08mm, and the airspace between biconvex lens G and negative lens H is
0.08mm, the airspace between negative lens H and biconvex lens I are 0.21mm.
Further, the mechanical structure of the camera lens includes body tube, along light from left to right incidence side inside body tube
To being disposed with positive crescent moon lens A, negative lens B, negative lens C, biconvex lens D, negative lens E, biconvex lens F, biconvex lens
G, negative lens H, biconvex lens I；The external thread bolt connection of body tube front end protects mirror cover, the external screw thread of preceding protection mirror cover front end before having
Screening glass pressing ring before being bolted with, is equipped with preceding screening glass between preceding screening glass pressing ring and preceding protection mirror cover；The positive front end crescent moon lens A is set
There is preceding pressing ring；It is equipped with AB spacer ring between the positive crescent moon lens A and negative lens B, is set between the biconvex lens D and negative lens E
There is DE spacer ring, FG spacer ring is equipped between the biconvex lens F and biconvex lens G, is set between the biconvex lens G and negative lens H
There is GH spacer ring；Mirror cover is installed on primary mirror tube rear end, it can be achieved that Global Macros to camera lens afterwards.
A kind of imaging method of the low light and handy high definition camera lens of distortion, sequentially includes the following steps: light from left to right successively through just
Crescent moon lens A, negative lens B, negative lens C, biconvex lens D, negative lens E, biconvex lens F, biconvex lens G, negative lens H, biconvex
It is imaged after lens I.
Compared with prior art, the invention has the following advantages: having low cost, low-power consumption, high-performance, compact
The advantages of type, wide temperature applicable range, is, it can be achieved that be imaged extraterrestrial target high-resolution, low aberration rate.
Detailed description of the invention
The invention patent is further illustrated with reference to the accompanying drawing.
Fig. 1 is schematic diagram of optical system of the embodiment of the present invention.
Fig. 2 is that the present invention implements distortion figure.
Fig. 3 is that the present invention implements 20 DEG C of characteristic frequency figures.
Fig. 4 is that the present invention implements -50 DEG C of characteristic frequency figures.
Fig. 5 is that the present invention implements+90 DEG C of characteristic frequency figures.
Fig. 6 is Automatic manual transmission of embodiment of the present invention total figure.
In figure: positive crescent moon lens A, B negative lens B, C negative lens C, D biconvex lens D, E negative lens E, F biconvex lens F, the G of A
Biconvex lens G, H negative lens H, I biconvex lens I.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and detailed description.
As shown in figs. 1 to 6, a kind of low light and handy high definition camera lens of distortion, in the optical system of the camera lens along light from a left side to
Right incident direction be disposed with positive crescent moon lens A, negative lens B, negative lens C, biconvex lens D, negative lens E, biconvex lens F,
Biconvex lens G, negative lens H, biconvex lens I.
In the present embodiment, the airspace between the positive crescent moon lens A and negative lens B be 0.08mm, negative lens B with
Airspace between negative lens C is 1.06mm, and the airspace between negative lens C and biconvex lens D is 0.51mm, lenticular
Airspace between mirror D and negative lens E is 0.12mm, and the airspace between negative lens E and biconvex lens F is 0.12mm,
Airspace between biconvex lens F and biconvex lens G is 0.08mm, and the airspace between biconvex lens G and negative lens H is
0.08mm, the airspace between negative lens H and biconvex lens I are 0.21mm.
In the present embodiment, the mechanical structure of the camera lens includes body tube 1, is from left to right entered inside body tube along light
It penetrates direction and is disposed with positive crescent moon lens A, negative lens B, negative lens C, biconvex lens D, negative lens E, biconvex lens F, biconvex
Lens G, negative lens H, biconvex lens I；The external thread bolt connection of body tube front end protects mirror cover 2 before having, preceding protection mirror cover front end
External thread bolt connection has preceding screening glass pressing ring 3, and preceding screening glass 4 is equipped between preceding screening glass pressing ring and preceding protection mirror cover；Positive crescent moon is saturating
The front end mirror A is equipped with preceding pressing ring 5；It is equipped with AB spacer ring 6 between the positive crescent moon lens A and negative lens B, the biconvex lens D and negative
Between lens E be equipped with DE spacer ring 7, between the biconvex lens F and biconvex lens G be equipped with FG spacer ring 8, the biconvex lens G with
GH spacer ring 9 is equipped between negative lens H；Mirror cover 10 is installed on primary mirror tube rear end, it can be achieved that Global Macros to camera lens, structure are tight afterwards
It gathers, lightly, overall length is less than 17mm, optical system gross weight: 7.1g；Optical texture has wide-angle feature, small in size, high resolution,
And guarantee that -50 ° ~+90 ° resolution ratio are constant；Have the characteristics that compact, the imaging of low aberration rate, optical system is applicable to separate
Measurement sensor.Camera lens has high-performance, compact, wide temperature applicable range, has low cost, low-power consumption, it can be achieved that space
The function camera lens of target blur-free imaging is carried out without thermalized design, and under without -50 DEG C ~ 90 DEG C working environments, image quality is good, real
Existing width proper temperature range.
A kind of imaging method of the low light and handy high definition camera lens of distortion, sequentially includes the following steps: light from left to right successively through just
Crescent moon lens A, negative lens B, negative lens C, biconvex lens D, negative lens E, biconvex lens F, biconvex lens G, negative lens H, biconvex
It is imaged after lens I.
In the present embodiment, following optical index has been reached by the optical system that above-mentioned lens set is constituted:
A) spectral region: 400nm~700nm visible light wave range；
B) visual field requires (2 ω):
1. horizontal field of view: 75 °+5 ° 0 °；
2. vertical field of view: 60 °+5 ° 0 °；
C) relative aperture: F/2.5；
D) letter (227lp/mm at Nyquist frequency): >=0.2(0.7 visual field is passed), >=0.15(full filed)；
E) relative distortion :≤2.5%(full filed)；
F) ratio chromatism: 1 μm (full filed)；
G) optical system gross weight: 7.1g(includes eyeglass, lens barrel, does not include protective glass)；
H) optics overall length: 14mm；
I) -50 DEG C~+90 DEG C, no thermalization analysis and design operating temperature: are done；
In the present embodiment, the parameter of each eyeglass is as shown in the table:
In the present embodiment, when Fig. 2 to Fig. 5 can be seen that 227lp/mm at Nyquist frequency: 0.7 visual field modulation transfer function
(MTF) >=0.2, full filed modulation transfer function (MTF) >=0.15, systematical distortion meet the imaging of system high definition less than 2.5%.By
This is as it can be seen that the present invention can satisfy the low distortion of system and high-resolution requirement.
Above-listed preferred embodiment, has been further described the object, technical solutions and advantages of the present invention, is answered
Understand, the foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (4)
1. a kind of low light and handy high definition camera lens of distortion, it is characterised in that: from left to right enter in the optical system of the camera lens along light
It penetrates direction and is disposed with positive crescent moon lens A, negative lens B, negative lens C, biconvex lens D, negative lens E, biconvex lens F, biconvex
Lens G, negative lens H, biconvex lens I.
2. the light and handy high definition camera lens of low distortion according to claim 1, it is characterised in that: the positive crescent moon lens A and negative saturating
Airspace between mirror B is 0.08mm, and the airspace between negative lens B and negative lens C is 1.06mm, negative lens C and double
Airspace between convex lens D is 0.51mm, and the airspace between biconvex lens D and negative lens E is 0.12mm, negative lens
Airspace between E and biconvex lens F is 0.12mm, and the airspace between biconvex lens F and biconvex lens G is
0.08mm, the airspace between biconvex lens G and negative lens H are 0.08mm, the air between negative lens H and biconvex lens I
Between be divided into 0.21mm.
3. the light and handy high definition camera lens of low distortion according to claim 1, it is characterised in that: the mechanical structure of the camera lens includes
Body tube, inside body tube along light from left to right incident direction be disposed with positive crescent moon lens A, negative lens B, negative lens C,
Biconvex lens D, negative lens E, biconvex lens F, biconvex lens G, negative lens H, biconvex lens I；The external screw thread spiral shell of body tube front end
Mirror cover is protected before being connected to, the external thread bolt connection of preceding protection mirror cover front end has preceding screening glass pressing ring, preceding screening glass pressing ring and preceding protection
Preceding screening glass is equipped between mirror cover；The positive crescent moon front end lens A is equipped with preceding pressing ring；It is set between the positive crescent moon lens A and negative lens B
There is AB spacer ring, DE spacer ring is equipped between the biconvex lens D and negative lens E, is set between the biconvex lens F and biconvex lens G
There is FG spacer ring, GH spacer ring is equipped between the biconvex lens G and negative lens H；Mirror cover is installed on primary mirror tube rear end, it can be achieved that right afterwards
The Global Macros of camera lens.
4. a kind of imaging method of the low light and handy high definition camera lens of distortion, which is characterized in that using any as described in claim 1-3
Kind low light and handy high definition camera lens of distortion, and sequentially include the following steps: light from left to right successively through positive crescent moon lens A, negative lens B,
It is imaged after negative lens C, biconvex lens D, negative lens E, biconvex lens F, biconvex lens G, negative lens H, biconvex lens I.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811442444.5A CN109407275B (en) | 2018-11-29 | 2018-11-29 | Low-distortion light high-definition lens and imaging method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811442444.5A CN109407275B (en) | 2018-11-29 | 2018-11-29 | Low-distortion light high-definition lens and imaging method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109407275A true CN109407275A (en) | 2019-03-01 |
| CN109407275B CN109407275B (en) | 2024-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811442444.5A Active CN109407275B (en) | 2018-11-29 | 2018-11-29 | Low-distortion light high-definition lens and imaging method thereof |
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| Country | Link |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1456622A (en) * | 1974-05-08 | 1976-11-24 | Asahi Optical Co Ltd | Wide angle lens system |
| JPH06160714A (en) * | 1992-08-31 | 1994-06-07 | Us Precision Lens Inc | Zoom projection lens and its manufacture |
| JP2002328300A (en) * | 2001-04-27 | 2002-11-15 | Olympus Optical Co Ltd | Front diaphragm image pickup optical system |
| CN101365975A (en) * | 2007-03-08 | 2009-02-11 | 里程碑株式会社 | Imaging lens |
| JP2010210883A (en) * | 2009-03-10 | 2010-09-24 | Ricoh Co Ltd | Imaging lens, camera and personal digital assistance device |
| US20160077314A1 (en) * | 2014-09-16 | 2016-03-17 | Panasonic Intellectual Property Management Co., Ltd. | Wide-angle lens system and imaging apparatus |
| JP2018005133A (en) * | 2016-07-08 | 2018-01-11 | キヤノン株式会社 | Large-aperture standard lens |
| CN209167645U (en) * | 2018-11-29 | 2019-07-26 | 福建福光股份有限公司 | A kind of low light and handy high definition camera lens of distortion |
-
2018
- 2018-11-29 CN CN201811442444.5A patent/CN109407275B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1456622A (en) * | 1974-05-08 | 1976-11-24 | Asahi Optical Co Ltd | Wide angle lens system |
| JPH06160714A (en) * | 1992-08-31 | 1994-06-07 | Us Precision Lens Inc | Zoom projection lens and its manufacture |
| JP2002328300A (en) * | 2001-04-27 | 2002-11-15 | Olympus Optical Co Ltd | Front diaphragm image pickup optical system |
| CN101365975A (en) * | 2007-03-08 | 2009-02-11 | 里程碑株式会社 | Imaging lens |
| JP2010210883A (en) * | 2009-03-10 | 2010-09-24 | Ricoh Co Ltd | Imaging lens, camera and personal digital assistance device |
| US20160077314A1 (en) * | 2014-09-16 | 2016-03-17 | Panasonic Intellectual Property Management Co., Ltd. | Wide-angle lens system and imaging apparatus |
| JP2018005133A (en) * | 2016-07-08 | 2018-01-11 | キヤノン株式会社 | Large-aperture standard lens |
| CN209167645U (en) * | 2018-11-29 | 2019-07-26 | 福建福光股份有限公司 | A kind of low light and handy high definition camera lens of distortion |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109407275B (en) | 2024-01-16 |
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