CN107193112B - A kind of deep space exploration navigation lens of star sensor - Google Patents
A kind of deep space exploration navigation lens of star sensor Download PDFInfo
- Publication number
- CN107193112B CN107193112B CN201710606432.0A CN201710606432A CN107193112B CN 107193112 B CN107193112 B CN 107193112B CN 201710606432 A CN201710606432 A CN 201710606432A CN 107193112 B CN107193112 B CN 107193112B
- Authority
- CN
- China
- Prior art keywords
- lens
- eyeglass
- crescent moon
- biconvex
- body tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
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
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
-
- 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
- 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
- G02B7/028—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with means for compensating for changes in temperature or for controlling the temperature; thermal stabilisation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Eye Examination Apparatus (AREA)
Abstract
The present invention relates to a kind of deep space exploration navigation lens of star sensor, including body tube, preceding group of eyeglass A, diaphragm B and rear group eyeglass C are disposed with along light incident direction in the body tube, group eyeglass is made of positive crescent moon lens A1, the first biconvex lens A2, negative crescent moon lens A3, the second biconvex lens A4 and the first biconcave lens A5 before described, is organized eyeglass after described and is made of the second biconcave lens C1 and third biconvex lens C2.The camera lens is not only simple in structure, and realizes long-focus, big Entry pupil diameters, blur-free imaging in wide spectral range.
Description
Technical field
The present invention relates to a kind of deep space exploration navigation lens of star sensor.
Background technique
Optics star sensor be by being shot to the fixed star in field range, using fixed star spacing and relative position into
The inertial attitude sensor of row navigator fix, have many advantages, such as measurement accuracy it is high, it is light-weight, low in energy consumption, without drift.In recent years,
With the development of space technology, to the performance of star sensor, more stringent requirements are proposed.Optical lens is most heavy as star sensor
The optical module wanted, to comprehensive performances such as its wide spectrum, big visual field, small-sized, high-resolution, more stringent requirements are proposed.
Lens of star sensor optical texture is generally divided into three classes: refraction type, reflective and refraction-reflection.It has announced at present
Lens of star sensor mostly uses greatly total transmissivity formula, and optical system focal length is generally 20mm ~ 50mm, Entry pupil diameters be generally 10mm ~
50mm.Lens of star sensor of the focal length greater than 100mm mostly uses greatly reflective or catadioptric optical structure, such as number of patent application
" the catadioptric emitting optical system of star sensor of object lens of large relative aperture high-precision " of 201410820853.X, focal length f '=180mm, phase
To aperture 1/2,2 ω=3 ° of field angle, camera lens comprehensive performance is preferable.For focal length system, reflective and catadioptric structure is conducive to
The reduction of length, and color difference is not present, but presence processing and resetting difficulty are big, are easy to produce the shortcomings that stray light.Patent application
Numbers 201210358933.9 " a kind of wide spectrum large aperture optical system of star sensor " uses total transmissivity formula optical texture, passes through
6 spheric glasses realize the focal length of 128mm, and 1/2 relative aperture, 3.6 ° of optical field of view, image quality is good, but use fluorite
CaF2With TF5 gluing unit, the bulk fluorite with good optical uniformity is few and expensive, and gluing unit can in space environment
Degumming can occur, therefore the optical system higher cost, practical operability be not high.
Summary of the invention
The purpose of the present invention is to provide a kind of deep space exploration navigation lens of star sensor, are not only simple in structure, and
Realize long-focus, big Entry pupil diameters, blur-free imaging in wide spectral range.
Technical program of the present invention lies in: a kind of deep space exploration navigation lens of star sensor, including body tube, the master
It is disposed with preceding group of eyeglass A, diaphragm B and rear group eyeglass C along light incident direction in lens barrel, eyeglass is organized before described by positive crescent moon
Lens A1, the first biconvex lens A2, negative crescent moon lens A3, the second biconvex lens A4 and the first biconcave lens A5 composition, after described
Group eyeglass is made of the second biconcave lens C1 and third biconvex lens C2.
Further, the airspace between the preceding group eyeglass and diaphragm is 96.95mm, and the diaphragm organizes eyeglass with rear
Between airspace be 34.27mm.
Further, positive airspace between crescent moon lens and the first biconvex lens is in the preceding mirror eyeglass
13.72mm, airspace between first biconvex lens and negative crescent moon lens are 0.12mm, negative crescent moon lens and second pair
Airspace between convex lens is 12.59mm, and the airspace between the second biconvex lens and biconcave lens is 2.45mm；Institute
Stating the airspace in rear microscope group between the second biconcave lens and third biconvex lens is 0.52mm.
Further, the positive crescent moon lens are made of stabilized glass LAK9G15.
Further, the front inner wall of the body tube along light incident direction it is stepped be provided with for positive crescent moon
The first stepped part that the trailing flank edge of lens abuts against, the second-order for being abutted against with the trailing flank edge of negative crescent moon lens
Terraced portion and the third stepped part abutted against for the trailing flank edge with the first biconcave lens；The rear inside wall of the body tube
It is provided with the fourth order ladder portion abutted against for the leading flank edge with the second biconcave lens.
Further, it is located in the body tube on front side of positive crescent moon lens and is provided with the first pressing ring, is located at the first biconvex
It is provided with the second pressing ring on front side of lens, is provided with the first spacer ring between the first biconvex lens and negative crescent moon lens, is located at
It is provided with third pressing ring on front side of second biconvex lens, is provided with second between the second biconvex lens and the first biconcave lens
Spacer ring；It is provided with third spacer ring between second biconcave lens and third biconvex lens, positioned at the rear side of third biconvex lens
It is provided with the rear group of pressing ring for being pressed in third biconvex lens trailing flank edge.
Further, first pressing ring, the second pressing ring, third pressing ring and rear group pressing ring penetrate body tube through radial respectively
Interior lock screw is anchored in body tube；Each eyeglass of group eyeglass and rear group eyeglass penetrates body tube through radial respectively before described
Interior holding screw is anchored in body tube.
Further, screening glass lens barrel before the front end of the body tube is also bolted with, the interior setting of the preceding screening glass lens barrel
There is the preceding protection eyeglass being located on front side of positive crescent moon lens, is bolted with and is used on front side of preceding protection eyeglass in preceding screening glass lens barrel
The preceding protection pressing ring of protection eyeglass before locking；The rear end of the body tube is additionally provided with adapter flange.
Compared with prior art, the invention has the following advantages that (1) has longer focal length and big Entry pupil diameters,
System uses total transmissivity formula optical texture, corrects various aberrations, good imaging quality, high resolution well；(2) camera lens is adopted
It is realized that lens length is less than focal length by being taken the photograph remote type optical texture with 7 fully separating spheric glasses, reduces the body of system
Long-pending and weight；(3) good apochromatism design has been carried out, camera lens imaging clearly in 500nm ~ 800nm wide spectral range is made,
Camera lens Observable magnitude is higher；(4) by selecting the combination of reasonable glass material, the optics of system is realized without thermalized design,
As shown in Figure 5 and Figure 6, disc of confusion size does not occur significantly compared with (Fig. 4) under normal temperature state in -40 DEG C ~+60 DEG C temperature ranges
Decline, illustrates that system temperature adaptability is good, can satisfy the requirement under the severe temperature environment of space.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of camera lens of the invention；
Fig. 2 is optical system structure schematic diagram of the present invention；
Fig. 3 is chromatic curve figure of the invention；
Fig. 4 is present invention point range figure under the conditions of+20 DEG C of temperature；
Fig. 5 is present invention point range figure under the conditions of -40 DEG C of temperature；
Fig. 6 is present invention point range figure under the conditions of+60 DEG C of temperature；
In figure: organize eyeglass before A-, the positive crescent moon lens of A1-, the first biconvex lens of A2-, the negative crescent moon lens of A3-, A4- second pair
Convex lens, the first biconcave lens of A5-, B- diaphragm organize eyeglass, the second biconcave lens of C1-, C2- third biconvex lens, 61- after C-
Preceding screening glass pressing ring, screening glass before 62-, screening glass lens barrel before 63-, the first pressing ring of 64-, 65- holding screw, the second pressing ring of 66-,
The first spacer ring of 67-, the first stepped part of 68-, 69- holding screw, 610- second step ladder, 611- third pressing ring, 612- second every
It encloses, 613- third stepped part, 616- body tube, 617- fourth order ladder portion, 618- third spacer ring, 620- holding screw, after 621-
Group pressing ring, 622- adapter flange.
Specific embodiment
To make the foregoing features and advantages of the present invention clearer and more comprehensible, special embodiment below, and cooperate attached drawing, make detailed
It is carefully described as follows, but the present invention is not limited thereto.
Referring to figs. 1 to Fig. 6
A kind of deep space exploration navigation lens of star sensor, including body tube 616, the body tube are interior along light incidence side
To preceding group of eyeglass A, diaphragm B and rear group eyeglass C is disposed with, eyeglass is organized before described by positive crescent moon lens A1, the first lenticular
It is saturating by the second concave-concave to organize eyeglass after described for mirror A2, negative crescent moon lens A3, the second biconvex lens A4 and the first biconcave lens A5 composition
Mirror C1 and third biconvex lens C2 composition.Using remote type optical texture is taken the photograph, so that lens length is less than focal length, be conducive to system bulk
Reduction.
In the present embodiment, it is 96.95mm, the diaphragm and rear group mirror that the airspace between eyeglass and diaphragm is organized before described
Airspace between piece is 34.27mm.
In the present embodiment, positive airspace between crescent moon lens and the first biconvex lens is in the preceding mirror eyeglass
13.72mm, airspace between first biconvex lens and negative crescent moon lens are 0.12mm, negative crescent moon lens and second pair
Airspace between convex lens is 12.59mm, and the airspace between the second biconvex lens and biconcave lens is 2.45mm；Institute
Stating the airspace in rear microscope group between the second biconcave lens and third biconvex lens is 0.52mm.
In the present embodiment, the positive crescent moon lens are made of the stabilized glass LAK9G15 of Schott, it can reduce
The damage to eyeglass such as Space Particle, radiation, increases the service life of optical system.
In the present embodiment, the index that optical system is realized is as follows:
Focal length: f '=220mm；
Entry pupil diameters: D=55mm；
Spectral region: 500nm ~ 800nm；
Visual field size: 6 ° × 8 °；
Pixel size: 6.4 6.4 μm of μ ms；
Color difference: 3 μm；
Disc of confusion radius: close to circle and it is not more than 1 pixel；
Weight: 0.58kg.
In the present embodiment, the parameter of each eyeglass is as shown in the table:
。
In the present embodiment, the front inner wall of the body tube is used for and the first month of the lunar year along stepped be provided with of light incident direction
The first stepped part 68 that the trailing flank edge of tooth lens abuts against, for being abutted against with the trailing flank edge of negative crescent moon lens
Two stepped parts 610 and the third stepped part 613 abutted against for the trailing flank edge with the first biconcave lens；The body tube
Rear inside wall be provided with the fourth order ladder portion 617 abutted against for the leading flank edge with the second biconcave lens, so as to each mirror
The positioning of piece.
It is located on front side of positive crescent moon lens in the present embodiment, in the body tube and is provided with the first pressing ring 64, is located at first
It is provided with the second pressing ring 66 on front side of biconvex lens, is provided with the first spacer ring between the first biconvex lens and negative crescent moon lens
67, third pressing ring 611 is provided on front side of the second biconvex lens, between the second biconvex lens and the first biconcave lens
It is provided with the second spacer ring 612；It is provided with third spacer ring 618 between second biconcave lens and third biconvex lens, is located at the
It is provided with the rear group of pressing ring 621 for being pressed in third biconvex lens trailing flank edge on rear side of three biconvex lens, cooperates each rank
Complete positioning and the control airspace of each eyeglass in terraced portion.
In the present embodiment, first pressing ring, the second pressing ring, third pressing ring and rear group pressing ring penetrate primary mirror through radial respectively
Lock screw in cylinder is anchored in body tube；Each eyeglass of group eyeglass and rear group eyeglass penetrates primary mirror through radial respectively before described
Holding screw in cylinder is anchored in body tube, to complete the locking of each pressing ring and eyeglass, preventing pressing ring from loosening influences entirety
Structural strength.
In the present embodiment, screening glass lens barrel 63 before the front end of the body tube is also bolted with, in the preceding screening glass lens barrel
It is provided with the preceding protection eyeglass 62 being located on front side of positive crescent moon lens, is located on front side of preceding protection eyeglass in preceding screening glass lens barrel and is spirally connected
There is the preceding protection pressing ring 61 for protection eyeglass before locking；The rear end of the body tube is additionally provided with adapter flange 622.
The foregoing is merely presently preferred embodiments of the present invention, for the ordinary skill in the art, according to this hair
Bright introduction designs a kind of various forms of deep space explorations with navigation lens of star sensor and does not need creative labor,
Without departing from the principles and spirit of the present invention all equivalent changes made according to scope of the present invention patent, modification,
Replacement and variant is all covered by the present invention.
Claims (8)
1. a kind of deep space exploration navigation lens of star sensor, including body tube, which is characterized in that along light in the body tube
Incident direction is disposed with preceding group of eyeglass A, diaphragm B and rear group eyeglass C, and eyeglass is organized before described by positive crescent moon lens A1, first
Biconvex lens A2, negative crescent moon lens A3, the second biconvex lens A4 and the first biconcave lens A5 composition organize eyeglass by second after described
Biconcave lens C1 and third biconvex lens C2 composition.
2. a kind of deep space exploration according to claim 1 navigation lens of star sensor, which is characterized in that organize mirror before described
Airspace between piece and diaphragm is 96.95mm, and the airspace between the diaphragm and rear group eyeglass is 34.27mm.
3. a kind of deep space exploration according to claim 1 or 2 navigation lens of star sensor, which is characterized in that before described
Airspace in group eyeglass between positive crescent moon lens and the first biconvex lens is 13.72mm, first biconvex lens and negative
Airspace between crescent moon lens is 0.12mm, and the airspace between negative crescent moon lens and the second biconvex lens is
12.59mm, the airspace between the second biconvex lens and biconcave lens are 2.45mm；The second concave-concave is saturating in group eyeglass after described
Airspace between mirror and third biconvex lens is 0.52mm.
4. a kind of deep space exploration according to claim 1 or 2 navigation lens of star sensor, which is characterized in that it is described just
Crescent moon lens are made of stabilized glass LAK9G15.
5. a kind of deep space exploration according to claim 1 navigation lens of star sensor, which is characterized in that the body tube
Front inner wall along stepped be provided with for being abutted against with the trailing flank edge of positive crescent moon lens of light incident direction
Stepped plate, the second step ladder for being abutted against with the trailing flank edge of negative crescent moon lens and be used for and the first biconcave lens
The third stepped part that abuts against of trailing flank edge；The rear inside wall of the body tube be provided with for the second biconcave lens
The fourth order ladder portion that leading flank edge abuts against.
6. a kind of deep space exploration navigation lens of star sensor according to claim 1 or 5, which is characterized in that the master
It is located on front side of positive crescent moon lens in lens barrel and is provided with the first pressing ring, the second pressure is provided on front side of the first biconvex lens
Circle, is provided with the first spacer ring between the first biconvex lens and negative crescent moon lens, is arranged positioned at the front side of the second biconvex lens
There is third pressing ring, the second spacer ring is provided between the second biconvex lens and the first biconcave lens；Second biconcave lens
It is provided with third spacer ring between third biconvex lens, is provided on rear side of third biconvex lens for being pressed in third biconvex
The rear group of pressing ring at lens trailing flank edge.
7. a kind of deep space exploration according to claim 6 navigation lens of star sensor, which is characterized in that first pressure
Circle, the second pressing ring, third pressing ring and rear group pressing ring are anchored in body tube through the radial holding screw penetrated in body tube respectively；
Each eyeglass of group eyeglass and rear group eyeglass is anchored in body tube through the radial holding screw penetrated in body tube respectively before described.
8. a kind of according to claim 1, deep space exploration navigation lens of star sensor described in 5 or 7, which is characterized in that described
The front end of body tube is also bolted with preceding screening glass lens barrel, is provided on front side of positive crescent moon lens in the preceding screening glass lens barrel
Preceding protection eyeglass, the interior preceding protection being bolted on front side of preceding protection eyeglass for protection eyeglass before locking of preceding screening glass lens barrel
Pressing ring；The rear end of the body tube is additionally provided with adapter flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710606432.0A CN107193112B (en) | 2017-07-24 | 2017-07-24 | A kind of deep space exploration navigation lens of star sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710606432.0A CN107193112B (en) | 2017-07-24 | 2017-07-24 | A kind of deep space exploration navigation lens of star sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107193112A CN107193112A (en) | 2017-09-22 |
| CN107193112B true CN107193112B (en) | 2019-07-26 |
Family
ID=59884530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710606432.0A Active CN107193112B (en) | 2017-07-24 | 2017-07-24 | A kind of deep space exploration navigation lens of star sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107193112B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107678148A (en) * | 2017-11-15 | 2018-02-09 | 中山依瓦塔光学有限公司 | A kind of waterproof fish eye lens |
| CN109188651B (en) * | 2018-09-28 | 2023-10-20 | 长春长光瑞实科技有限公司 | Refractive high-resolution star sensor optical system |
| CN111156992A (en) * | 2019-12-31 | 2020-05-15 | 中国船舶重工集团公司第七一七研究所 | Miniature satellite-borne star sensor and working process time sequence thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000275532A (en) * | 1999-03-24 | 2000-10-06 | Olympus Optical Co Ltd | Objective lens and its manufacture |
| CN101209753A (en) * | 2006-12-25 | 2008-07-02 | 北京控制工程研究所 | Star sensor system imaging structure |
| CN101477239A (en) * | 2009-01-16 | 2009-07-08 | 中国人民解放军国防科学技术大学 | Star sensor lens and its use method in large-temperature range accurate fixed star azimuth measurement |
| CN102944926A (en) * | 2012-11-30 | 2013-02-27 | 无锡羿飞科技有限公司 | Short-focus projection lens structure with transmittance of 0.75 |
| CN203673137U (en) * | 2013-01-30 | 2014-06-25 | 康达智株式会社 | Pick-up lens |
| CN204314532U (en) * | 2014-11-19 | 2015-05-06 | 南京联河讯光电科技有限责任公司 | Comprise the micro combined optical system of 5 pieces of eyeglasses |
| CN105629443A (en) * | 2016-03-30 | 2016-06-01 | 浙江大华技术股份有限公司 | Lens system and camera lens |
| CN106338812A (en) * | 2015-07-10 | 2017-01-18 | 富士胶片株式会社 | Imaging Lens And Imaging Apparatus |
| CN106896467A (en) * | 2015-12-18 | 2017-06-27 | 先进光电科技股份有限公司 | Optical imaging system |
| JP2017122871A (en) * | 2016-01-08 | 2017-07-13 | キヤノン株式会社 | Optical system and imaging device having the same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102077128A (en) * | 2008-06-24 | 2011-05-25 | 奥林巴斯映像株式会社 | Optical image forming system and electronic imaging device having same |
| JP6566747B2 (en) * | 2015-06-30 | 2019-08-28 | キヤノン株式会社 | Zoom lens and imaging apparatus having the same |
-
2017
- 2017-07-24 CN CN201710606432.0A patent/CN107193112B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000275532A (en) * | 1999-03-24 | 2000-10-06 | Olympus Optical Co Ltd | Objective lens and its manufacture |
| CN101209753A (en) * | 2006-12-25 | 2008-07-02 | 北京控制工程研究所 | Star sensor system imaging structure |
| CN101477239A (en) * | 2009-01-16 | 2009-07-08 | 中国人民解放军国防科学技术大学 | Star sensor lens and its use method in large-temperature range accurate fixed star azimuth measurement |
| CN102944926A (en) * | 2012-11-30 | 2013-02-27 | 无锡羿飞科技有限公司 | Short-focus projection lens structure with transmittance of 0.75 |
| CN203673137U (en) * | 2013-01-30 | 2014-06-25 | 康达智株式会社 | Pick-up lens |
| CN204314532U (en) * | 2014-11-19 | 2015-05-06 | 南京联河讯光电科技有限责任公司 | Comprise the micro combined optical system of 5 pieces of eyeglasses |
| CN106338812A (en) * | 2015-07-10 | 2017-01-18 | 富士胶片株式会社 | Imaging Lens And Imaging Apparatus |
| CN106896467A (en) * | 2015-12-18 | 2017-06-27 | 先进光电科技股份有限公司 | Optical imaging system |
| JP2017122871A (en) * | 2016-01-08 | 2017-07-13 | キヤノン株式会社 | Optical system and imaging device having the same |
| CN105629443A (en) * | 2016-03-30 | 2016-06-01 | 浙江大华技术股份有限公司 | Lens system and camera lens |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107193112A (en) | 2017-09-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107193112B (en) | A kind of deep space exploration navigation lens of star sensor | |
| CN102354042B (en) | Star sensor optical system based on APS (Automatic Protection Switching) detector | |
| CN105759410A (en) | Refraction and reflection type large aperture and large field of view imaging system | |
| CN203535297U (en) | Optical lens with 140-degree angle of view | |
| CN110579859A (en) | compact type long-focal-length star sensor telecentric optical system | |
| CN101236297A (en) | Ultraviolet moon sensor optical system | |
| CN108957725A (en) | Improved Schmidt telescopic optical system | |
| CN202267776U (en) | Optical system of star sensor based on APS (Active Pixel Sensor) detector | |
| CN103149666A (en) | Broadband spectrum large aperture star sensor optical system | |
| Vassiliev et al. | Schwarzschild-Couder two-mirror telescope for ground-based gamma-ray astronomy | |
| CN211603682U (en) | Optical system of ultra-wide-spectrum long-focal-distance star sensor | |
| CN109188651B (en) | Refractive high-resolution star sensor optical system | |
| CN101750754A (en) | Field cut-off optical synthesis aperture imaging system | |
| CN110471173A (en) | A kind of four anti-medium-wave infrared finder optical systems with diffraction surfaces | |
| CN207611190U (en) | Portable wide angle optical is without thermalization LONG WAVE INFRARED optical system and lens construction | |
| CN101694539B (en) | Two-color optical system with ultra-large vision field and large aperture | |
| CN108873303A (en) | A kind of big main focus optical system of visual field Survey telescope | |
| CN210465831U (en) | Compact type long-focal-length star sensor telecentric optical system | |
| CN107608055B (en) | Optical lens of ground night star sensor | |
| US20230020396A1 (en) | Segmented optical components and methods | |
| CN210514764U (en) | 2.82mm focus streaming media intelligence rear-view mirror head | |
| CN109425958A (en) | Optical lens | |
| CN113568159A (en) | Endoscope with replaceable viewing angle | |
| CN105035367A (en) | Optical system of close-distance object space telecentric butt-joint sensor | |
| CN111367050A (en) | Near-infrared long-focus optical lens with wavelength between 0.7um and 1um |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |