CN107505690A - Airborne light 120mm medium-wave infrared tight shots - Google Patents
Airborne light 120mm medium-wave infrared tight shots Download PDFInfo
- Publication number
- CN107505690A CN107505690A CN201710882927.6A CN201710882927A CN107505690A CN 107505690 A CN107505690 A CN 107505690A CN 201710882927 A CN201710882927 A CN 201710882927A CN 107505690 A CN107505690 A CN 107505690A
- Authority
- CN
- China
- Prior art keywords
- focusing
- meniscus lens
- lens
- positive meniscus
- 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.)
- Granted
Links
- 230000005499 meniscus Effects 0.000 claims abstract description 75
- 230000003287 optical effect Effects 0.000 claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 5
- 238000003384 imaging method Methods 0.000 abstract description 4
- 238000009826 distribution Methods 0.000 abstract description 3
- 238000005057 refrigeration Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000003466 welding Methods 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
- 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
-
- 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
- G02B13/008—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras designed for infrared light
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/14—Optical objectives specially designed for the purposes specified below for use with infrared or ultraviolet radiation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Lenses (AREA)
Abstract
The present invention provides a kind of airborne light 120mm medium-wave infrared tight shots, the camera lens, which includes inputting to outbound course along light in camera lens inner optical system, is sequentially provided with the first positive meniscus lens A, diverging meniscus lens B, the second positive meniscus lens C, the 3rd positive meniscus lens D, biconvex positive lens E and the 4th positive meniscus lens F, the invention has the advantages that：（1）In optical design, suitable system architecture is selected so that lens construction simple and compact, optical system overall length only have 116.5mm；（2）In optical design, reasonable distribution each lens powers and aspherical position, by adjusting the radius of curvature of each eyeglass, ensureing that optical system picture element is excellent simultaneously, reducing the difficulty of processing and cost of eyeglass, alleviate eyeglass weight；（3）The camera lens can match with medium-wave infrared refrigeration mode 320*256 30um detectors, and imaging definition is high.
Description
Technical field
The present invention relates to a kind of airborne light 120mm medium-wave infrared tight shots.
Background technology
With the development of infrared optics technology, infrared optics imaging technique has significant progress, wherein medium-wave infrared system
The cold mould detector sensitivity 1-2 order of magnitude higher than LWIR Uncooled type detector, therefore, in target search, pre- police-spy
The dual-use field such as survey, intelligence reconnaissance suffers from the application prospect of broadness.Due to the unloaded platform space such as unmanned plane and load
The limitation of Beijing South Maxpower Technology Co. Ltd's power is, it is necessary to the volume and weight of strict control infrared lens.And existing medium-wave infrared camera lens generally existing body
Product is bigger than normal, weight is laid particular stress on, is imaged the shortcomings of unintelligible, camera lens production and processing difficulty is big, and the popularization to medium wave infrared lens is with answering
With many bad influences of generation.
The content of the invention
The present invention is improved above mentioned problem, i.e., the technical problem to be solved in the present invention is existing medium-wave infrared mirror
Head generally existing volume is bigger than normal, weight is laid particular stress on, is imaged the shortcomings of unintelligible, camera lens production and processing difficulty is big.
Specific embodiments of the present invention are：A kind of airborne light 120mm medium-wave infrared tight shots, the camera lens include
Inputted in camera lens inner optical system along light to outbound course and be sequentially provided with the first positive meniscus lens A, diverging meniscus lens B, second
Positive meniscus lens C, the 3rd positive meniscus lens D, biconvex positive lens E and the 4th positive meniscus lens F.
Further, the airspace between the first positive meniscus lens A and diverging meniscus lens B is 1.25mm, described
Airspace between diverging meniscus lens B and the second positive meniscus lens C is 7.28mm, the second positive meniscus lens C and the 3rd
Airspace between positive meniscus lens D is 39.89mm, the air between the 3rd positive meniscus lens D and biconvex positive lens E
Interval is 0.10mm, and the airspace between the biconvex positive lens E and the 4th positive meniscus lens F is 0.10mm.
Further, the camera lens includes body tube, the first positive meniscus lens A, diverging meniscus lens B, second just curved
Month lens C is set in turn in the front end of body tube, has A pieces trim ring, B pieces trim ring, C piece trim rings in the body tube, and described the
Two positive meniscus lens C are fixed on body tube by C piece trim rings, and the diverging meniscus lens B is fixed on body tube by B piece trim rings
On, the first positive meniscus lens A is fixed on body tube by A pieces trim ring；
Focusing drawtube is provided with front side of body tube, the 3rd positive meniscus lens D, biconvex are being disposed with the focusing drawtube just
Lens E and the 4th positive meniscus lens F, the focusing drawtube front side are threaded with D piece trim rings, and rear side is provided with F piece trim rings
It is spacing, focusing drawtube front end is compressed by D pieces trim ring, compressed focusing drawtube rear end by F pieces trim ring.
Further, the focusing drawtube front side end is fixedly connected with adapter flange, and the rear side of the adapter flange is set
There is focusing motor, the output shaft of the focusing motor is fixed with focusing motor gear, and focusing drawtube is located inside body tube, primary mirror
The outside of the outside corresponding focusing drawtube of cylinder is provided with focusing cam, and the focusing cam outer surface has matches somebody with somebody with focusing motor gear
The flank of tooth of conjunction, the focusing drawtube outer surface is fixedly connected with the focusing guide pin in body tube insertion focusing cam, described
Focusing cam has along the circumferential direction angularly disposed regulating tank, is adjusted in the focusing guide pin outboard end insertion regulating tank with driving
The movement of burnt cylinder in the axial direction.
Further, the focusing cam pressure being placed on outside body tube is provided between the focusing cam and adapter flange
Circle, focusing cam trim ring have steel ball to reduce friction with focusing cam forward surface.
Further, the second face of the diverging meniscus lens B is aspherical.
Further, it is described aspherical to meet following expression formula：
In formula, Z be it is aspherical along optical axis direction when being highly r position, away from aspheric vertex of surface apart from rise；C=1/R, R
Represent the paraxial radius of curvature of minute surface；K is circular cone coefficient；A, B, C, D are high order aspheric surface coefficient.
Compared with prior art, the invention has the advantages that：The invention has the advantages that：（1）In light
Learn in design, select suitable system architecture so that lens construction simple and compact, optical system overall length only have 116.5mm；（2）
In optical design, reasonable distribution each lens powers and aspherical position, by adjusting the radius of curvature of each eyeglass, protecting
It is excellent simultaneously to demonstrate,prove optical system picture element, reduces the difficulty of processing and cost of eyeglass, alleviates eyeglass weight；（3）The camera lens energy
Matched with medium-wave infrared refrigeration mode 320*256 30um detectors, imaging definition is high.
Brief description of the drawings
Fig. 1 is the optical system schematic diagram of the embodiment of the present invention.
Fig. 2 is the Standard total figure of the embodiment of the present invention.
In figure：21- lens caps, 22- the first positive meniscus lens A, 23-A piece trim rings, 24-B piece trim rings, 25- diverging meniscus lenses
B, 26- body tube, 27-C piece trim rings, the second positive meniscus lens of 28- C, 29- focusing motor, 210- focusing motor racks, 211- focusing
Motor gear, 212- exterior cover pipelines, 213- adapter flanges, 214- focusing cams, 215- steel balls, 216- focusing cam trim rings, 217-D
Piece trim ring, 218- focusing drawtubes, 219- the 3rd positive meniscus lens D, 220- the 4th positive meniscus lens F, 221- focusing guide pin, 222-
F piece trim rings, 223- focusing limiting brackets, 224- microswitches.
Embodiment
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
As shown in figure 1, a kind of airborne light 120mm medium-wave infrared tight shots, along light in the optical system of the camera lens
Incident direction is being sequentially provided with the first positive meniscus lens A, diverging meniscus lens B, the second positive meniscus lens C, the 3rd just to line from left to right
Meniscus lens D, biconvex positive lens E and the 4th positive meniscus lens F.
In the present embodiment, the airspace between the first positive meniscus lens A and diverging meniscus lens B is 1.25mm,
Airspace between the diverging meniscus lens B and the second positive meniscus lens C is 7.28mm, the second positive meniscus lens C and
Airspace between 3rd positive meniscus lens D is 39.89mm, between the 3rd positive meniscus lens D and biconvex positive lens E
Airspace is 0.10mm, and the airspace between the biconvex positive lens E and the 4th positive meniscus lens F is 0.10mm.
In the present embodiment, material used in the lens, in addition to diverging meniscus lens B material therefors are monocrystalline germanium, its
Remaining is single crystal silicon material.
Table one, optical component parameter table
In the present embodiment, the second face of the diverging meniscus lens B is aspherical.
In the present embodiment, it is described aspherical to meet following expression formula：
In formula, Z be it is aspherical along optical axis direction when being highly r position, away from aspheric vertex of surface apart from rise；C=1/R, R
Represent the paraxial radius of curvature of minute surface；K is circular cone coefficient；A, B, C, D are high order aspheric surface coefficient.
Table two, aspherical surface data table
In the present embodiment, the optical system being made up of above-mentioned lens set has reached following technical indicator：
（1）Service band：3.7μm-4.8μm；（2）Focal length：f′=120mm；（3）Detector：Medium-wave infrared refrigeration mode 320*256,
30μm；（4）The angle of visual field：4.48°×3.64°；（5）Relative aperture D/ f '：1/2.0；（6）Optical system overall length 116.5mm.
As illustrated, the first positive meniscus lens A, diverging meniscus lens B, the second positive meniscus lens C are placed in body tube
27 front ends, the second positive meniscus lens C are fixed on body tube by C pieces trim ring 27, and the diverging meniscus lens B passes through B pieces
Trim ring 24 is fixed on body tube 26, and the first positive meniscus lens A is fixed on body tube by A pieces trim ring 23.Described 3rd
Positive meniscus lens D, biconvex positive lens E and the 4th positive meniscus lens F are placed on focusing drawtube 218 and by D pieces trim rings 217
Front end is compressed, the form that rear end compresses is fixed in focusing drawtube by F pieces trim ring 222.
The focusing motor 29, focusing cam 214, focusing drawtube 218 form focus adjusting mechanism.The focusing drawtube 218 with
The grinding of body tube 26 coordinates, and is machined with the straight trough of length described in focusing stroke on the body tube 26, on the focusing cam 214
Two lines straight trough is machined with, the focusing guide pin 221 is placed on focusing drawtube 218 and by the limit of straight trough on body tube 26
System drives focusing drawtube 218 to do axial movement, the focusing other end of guide pin 221 and focusing cam in body tube 26
214 linear straight troughs coordinate, equipped with focusing motor gear 211 on the focusing motor 29, focus motor gear 211 and focusing cam
Gear engagement on 214, is powered by motor 29 of focusing and drives focusing cam 214 to rotate, pass through focusing cam 214
Rotate and drive the motion of focusing guide pin 221 so as to realizing focusing function.The both sides of focusing cam 214 are equipped with focusing limiting bracket 223,
The microswitch 224 is placed on focusing limiting bracket 223, and limit switch, the tune are additionally provided with the adpting flange
The outside of burnt gear has spacing retaining screw.The spacing and protective effect of focusing is realized in the motion process of focusing cam 214.
The focusing cam trim ring being placed on outside body tube, focusing cam are provided between the focusing cam and adapter flange
Trim ring has steel ball to reduce friction with focusing cam forward surface.
The present invention has the characteristics that big thang-kng amount, imaging clearly, light structure are compact.In optical design, pass through selection
Suitable optical texture, each lens powers of reasonable distribution and aspherical position so that eyeglass production and processing cost is low, and structure is tight
Gather lightly, image quality is excellent.
Any technical scheme disclosed in the invention described above unless otherwise stated, if it discloses number range, then
Disclosed number range is preferable number range, it is any it should be appreciated by those skilled in the art：Preferable number range
The only obvious or representative numerical value of technique effect in many enforceable numerical value., can not because numerical value is more
Exhaustion, so the present invention just discloses component values to illustrate technical scheme, also, the above-mentioned numerical value enumerated is not
The limitation to the invention protection domain should be formed.
If limiting parts if the word such as " first ", " second " is used herein, those skilled in the art should
This knows：The use of " first ", " second " is intended merely to facilitate in description and parts is distinguished as not having Stated otherwise
Outside, above-mentioned word does not have special implication.
Meanwhile if the invention described above discloses or relate to the parts or structural member of connection fastened to each other, then, except another
There is statement outer, be fixedly connected and can be understood as：(such as using bolt or mode connects for screw) can be releasably fixedly connected with, also may be used
To be interpreted as：Non-removable to be fixedly connected with (such as riveting, welding), certainly, connection fastened to each other can also be integral type knot
Structure (such as being manufactured using casting technique is integrally formed) substitutes (substantially can not be using except integrally formed technique).
In addition, the art for being used to represent position relationship or shape applied in any technical scheme disclosed in the invention described above
Its implication includes approximate with its, similar or close state or shape to language unless otherwise stated.
Either component provided by the invention can be assembled by multiple individually parts, or one
The separate part that forming technology manufactures.
Finally it should be noted that:The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, those of ordinary skills in the art should understand that：Still
The embodiment of the present invention can be modified or equivalent substitution is carried out to some technical characteristics；Without departing from this hair
The spirit of bright technical scheme, it all should cover among the claimed technical scheme scope of the present invention.
Claims (7)
1. a kind of airborne light 120mm medium-wave infrared tight shots, it is characterised in that the camera lens includes camera lens inner optical system
Middle inputted along light to outbound course is sequentially provided with the first positive meniscus lens A, diverging meniscus lens B, the second positive meniscus lens C,
Three positive meniscus lens D, biconvex positive lens E and the 4th positive meniscus lens F.
2. airborne light 120mm medium-wave infrared tight shots according to claim 1, it is characterised in that：Described first just
Airspace between meniscus lens A and diverging meniscus lens B is 1.25mm, the diverging meniscus lens B and the second positive meniscus lens C
Between airspace be 7.28mm, the airspace between the second positive meniscus lens C and the 3rd positive meniscus lens D is
Airspace between 39.89mm, the 3rd positive meniscus lens D and biconvex positive lens E is 0.10mm, the biconvex positive lens
Airspace between E and the 4th positive meniscus lens F is 0.10mm.
3. airborne light 120mm medium-wave infrared tight shots according to claim 1 or 2, it is characterised in that：The camera lens
Including body tube, the first positive meniscus lens A, diverging meniscus lens B, the second positive meniscus lens C are set in turn in body tube
Front end, the body tube is interior to have A pieces trim ring, B pieces trim ring, C piece trim rings, and the second positive meniscus lens C is consolidated by C piece trim rings
It is scheduled on body tube, the diverging meniscus lens B is fixed on body tube by B piece trim rings, and the first positive meniscus lens A passes through
A pieces trim ring is fixed on body tube；
Focusing drawtube is provided with front side of body tube, the 3rd positive meniscus lens D, biconvex are being disposed with the focusing drawtube just
Lens E and the 4th positive meniscus lens F, the focusing drawtube front side are threaded with D piece trim rings, and rear side is provided with F piece trim rings
It is spacing, focusing drawtube front end is compressed by D pieces trim ring, compressed focusing drawtube rear end by F pieces trim ring.
4. airborne light 120mm medium-wave infrared tight shots according to claim 1, it is characterised in that：The focusing lens
Cylinder front side end is fixedly connected with adapter flange, and focusing motor, the defeated of motor of focusing are provided with rear side of the adapter flange
Shaft is fixed with focusing motor gear, and focusing drawtube is located inside body tube, and the outside of corresponding focusing drawtube is set outside body tube
Focusing cam is equipped with, the focusing cam outer surface has the flank of tooth coordinated with focusing motor gear, the focusing drawtube appearance
Face is fixedly connected with the focusing guide pin in body tube insertion focusing cam, and the focusing cam has along the circumferential direction oblique
The regulating tank of setting, the focusing guide pin outboard end are embedded in regulating tank to drive the movement of focusing drum in the axial direction.
5. airborne light 120mm medium-wave infrared tight shots according to claim 4, it is characterised in that：The focusing is convex
The focusing cam trim ring being placed on outside body tube is provided between wheel and adapter flange, focusing cam trim ring and focusing cam are opposite
Face has steel ball to reduce friction.
6. airborne light 120mm medium-wave infrared tight shots according to claim 1, it is characterised in that：The negative bent moon
Lens B the second face is aspherical.
7. airborne light 120mm medium-wave infrared tight shots according to claim 6, it is characterised in that：It is described aspherical
Meet following expression formula：
In formula, Z be it is aspherical along optical axis direction when being highly r position, away from aspheric vertex of surface apart from rise；C=1/R, R
Represent the paraxial radius of curvature of minute surface；K is circular cone coefficient；A, B, C, D are high order aspheric surface coefficient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710882927.6A CN107505690B (en) | 2017-09-26 | 2017-09-26 | Airborne light 120mm medium wave infrared fixed focus lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710882927.6A CN107505690B (en) | 2017-09-26 | 2017-09-26 | Airborne light 120mm medium wave infrared fixed focus lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107505690A true CN107505690A (en) | 2017-12-22 |
| CN107505690B CN107505690B (en) | 2020-01-21 |
Family
ID=60698835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710882927.6A Active CN107505690B (en) | 2017-09-26 | 2017-09-26 | Airborne light 120mm medium wave infrared fixed focus lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107505690B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110412753A (en) * | 2019-08-08 | 2019-11-05 | 福建福光天瞳光学有限公司 | LONG WAVE INFRARED large aperture zoom lens and its focus adjustment method |
| CN110632738A (en) * | 2019-08-19 | 2019-12-31 | 成都浩孚科技有限公司 | Large-caliber long-wave infrared optical system |
| US11391928B2 (en) | 2020-08-14 | 2022-07-19 | Largan Precision Co., Ltd. | Optical image lens assembly, image capturing unit and electronic device |
| US11855111B2 (en) | 2021-04-23 | 2023-12-26 | Bae Systems Information And Electronic Systems Integration Inc. | MWIR lens for remote sensing |
| US11960064B2 (en) | 2021-08-23 | 2024-04-16 | Bae Systems Information And Electronic Systems Integration Inc. | MWIR lens system for wide area motion imagery |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5737119A (en) * | 1995-09-06 | 1998-04-07 | Hughes Electronics | Thermal imaging device |
| CN201698079U (en) * | 2010-05-19 | 2011-01-05 | 福建福光数码科技有限公司 | Medium wave infrared reconnaissance tracking lens |
| CN201993172U (en) * | 2011-03-12 | 2011-09-28 | 福建福光数码科技有限公司 | Medium infrared dual field integrated thermal imaging system |
| CN106443988A (en) * | 2016-12-16 | 2017-02-22 | 福建福光股份有限公司 | Airborne lightweight 50 mm long-wave infrared prime lens |
-
2017
- 2017-09-26 CN CN201710882927.6A patent/CN107505690B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5737119A (en) * | 1995-09-06 | 1998-04-07 | Hughes Electronics | Thermal imaging device |
| CN201698079U (en) * | 2010-05-19 | 2011-01-05 | 福建福光数码科技有限公司 | Medium wave infrared reconnaissance tracking lens |
| CN201993172U (en) * | 2011-03-12 | 2011-09-28 | 福建福光数码科技有限公司 | Medium infrared dual field integrated thermal imaging system |
| CN106443988A (en) * | 2016-12-16 | 2017-02-22 | 福建福光股份有限公司 | Airborne lightweight 50 mm long-wave infrared prime lens |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110412753A (en) * | 2019-08-08 | 2019-11-05 | 福建福光天瞳光学有限公司 | LONG WAVE INFRARED large aperture zoom lens and its focus adjustment method |
| CN110632738A (en) * | 2019-08-19 | 2019-12-31 | 成都浩孚科技有限公司 | Large-caliber long-wave infrared optical system |
| US11391928B2 (en) | 2020-08-14 | 2022-07-19 | Largan Precision Co., Ltd. | Optical image lens assembly, image capturing unit and electronic device |
| US11855111B2 (en) | 2021-04-23 | 2023-12-26 | Bae Systems Information And Electronic Systems Integration Inc. | MWIR lens for remote sensing |
| US11960064B2 (en) | 2021-08-23 | 2024-04-16 | Bae Systems Information And Electronic Systems Integration Inc. | MWIR lens system for wide area motion imagery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107505690B (en) | 2020-01-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107505690A (en) | Airborne light 120mm medium-wave infrared tight shots | |
| CN102200639B (en) | Infrared medium-long wave double wave band imaging optical system | |
| CN110794552A (en) | Optical lens | |
| CN104035188A (en) | Low-cost refracting-reflecting athermalizing medium wave infrared lens | |
| CN105759410A (en) | Refraction and reflection type large aperture and large field of view imaging system | |
| CN107991763B (en) | High-definition long-focus long-wave infrared lens | |
| US7733581B2 (en) | Large aperture imaging optical system | |
| CN107976791B (en) | Super-large-magnification continuous zooming uncooled infrared lens | |
| CN114217416A (en) | Optical lens | |
| CN107422463B (en) | Confocal optical system of clear day night of long burnt superelevation | |
| CN103389577A (en) | Compact type infrared optical system provided with free-form surface prism and large scanning field view | |
| WO2010126568A1 (en) | Afocal galilean attachment lens with high pupil magnification | |
| CN104049343A (en) | Compact type double-view-field medium wave infrared athermalization lens | |
| CN112180572B (en) | Refrigeration type medium wave infrared athermal optical lens | |
| CN108227152B (en) | Big field angle pin hole imaging optical system | |
| CN107479174A (en) | A kind of LONG WAVE INFRARED optical system | |
| US20140347743A1 (en) | Photographic wide-angle lens system with internal focusing | |
| CN210090814U (en) | Long-focus medium-wave infrared refrigeration double-view-field lens | |
| CN103926693A (en) | Compact large-framework-angle conformal optical system | |
| CN106443988A (en) | Airborne lightweight 50 mm long-wave infrared prime lens | |
| CN203965714U (en) | A kind of long-focus long-wave infrared continuous zoom lens | |
| CN106405800B (en) | LONG WAVE INFRARED 5mm PASSIVE OPTICAL athermal lens | |
| CN205581386U (en) | Infrared continuous zoom optical system that links of two groups | |
| CN115079382B (en) | Monitoring lens, camera equipment and head-mounted monitoring device | |
| CN106443938B (en) | High transmittance type far infrared long wave tight shot and its working method |
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 |