CN106444000A - Long-focus front telescope system - Google Patents
Long-focus front telescope system Download PDFInfo
- Publication number
- CN106444000A CN106444000A CN201610765664.6A CN201610765664A CN106444000A CN 106444000 A CN106444000 A CN 106444000A CN 201610765664 A CN201610765664 A CN 201610765664A CN 106444000 A CN106444000 A CN 106444000A
- Authority
- CN
- China
- Prior art keywords
- secondary mirror
- spring washer
- mirror assembly
- lens barrel
- primary
- 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
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
-
- 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
- G02B7/022—Mountings, adjusting means, or light-tight connections, for optical elements for lenses lens and mount having complementary engagement means, e.g. screw/thread
-
- 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
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
Abstract
The present invention relates to a long-focus front telescope system. The system comprises a primary mirror assembly, a secondary mirror assembly, a connection cylinder connecting the primary mirror assembly with the secondary mirror assembly, primary and secondary mirror cropping pads installed at the secondary mirror assembly and at the connection point of connecting with the connection cylinder and a focusing mechanism. The secondary mirror assembly includes a secondary mirror cylinder, a secondary mirror installed in the secondary mirror cylinder and a secondary mirror frame installed between the secondary mirror cylinder and the connection cylinder; one end, facing the primary mirror assembly, of the secondary mirror cylinder is provided with a secondary lens hood; the focusing mechanism includes a heating piece, a focusing space ring, a spring washer and a big nut; the big nut is installed at one end, far away from the primary mirror assembly, of the secondary mirror cylinder through the spring washer, and the heating piece is attached on the big nut; the spring washer generates deformation displacement under the external force compression; and the focusing space ring is installed between the secondary mirror cylinder and the secondary mirror frame; and the focusing space ring generates expansive deformation after heating. The long-focus front telescope system performs focusing work of the telescope system through adoption of the temperature control mode formed by allowing the heating piece to match the spring washer and the focusing space ring, and the structure is simple, the weight is light, the cost is low and the reliability is high.
Description
Technical field
The invention belongs to space optical remote technical field is and in particular to a kind of preposition telescopic system of long-focus.
Background technology
With spatially first resolution ratio more and more higher, for preposition telescopic system, focal length is more and more longer, simultaneously to image planes
Status requirement also more and more higher, when environmental factor such as mechanics or temperature change lead to send out between image planes position and detector position
Give birth to relative movement, then the transmission function of whole system will decline, thus leading to system as matter declines it is therefore necessary to introduce focusing
Mechanism carrys out the defocusing amount of compensation optical system.
For an imaging system, by the position of mobile detector, or focusing microscope group can be increased changing
Focal length, thus realize focusing.For the telescopic system of long-focus, using reflective optical system, such as R-C system is permissible
Reduce volume and weight, wherein adjust primary mirror and secondary mirror interval can be with precise control image planes change in location, thus reaching focusing
Purpose.Traditional focusing mode is typically by the modes such as cam, feed screw nut and worm and gear, the common spy of this focusing mode
Point is to be required for a stepper motor as driving element, once motor goes wrong, will affect the normal work of focus adjusting mechanism
Make.
Content of the invention
In order to solve the problems, such as in background technology, the present invention devises a kind of structure simply, only need to be by controlling time microscope group
The preposition telescopic system of long-focus that the focusing that the temperature of part reaches system come the interval to adjust primary mirror and secondary mirror requires.
The temperature control focusing principle of the present invention is：When requiring primary and secondary mirror interval to reduce, secondary mirror assembly can be carried out with local and rise
Temperature, the focusing spacer ring expanded by heating of duralumin, hard alumin ium alloy material, spring washer is compressed, so that secondary mirror is axially put down towards primary mirror direction
Move, primary and secondary mirror interval reduces.When requiring primary and secondary mirror interval to increase, cancel temperature control, due to the cold space of space environment, focusing every
Circle shrinks, and the elastic force of spring washer makes time mirror assembly axially towards away from the translation of primary mirror direction, and primary and secondary mirror interval increases.By cold
The mutual regulation of space and heating plate is it is ensured that primary and secondary mirror interval returns to perfect condition.
The concrete technical scheme of the present invention is：
The invention provides a kind of preposition telescopic system of long-focus, including primary mirror assembly, secondary mirror assembly, connection primary mirror assembly
With the connecting cylinder of secondary mirror assembly, be arranged on time mirror assembly and connect the primary and secondary mirror of connecting cylinder tie point and repair and cut pad and be used for adjusting
In primary mirror and secondary mirror assembly in primary mirror assembly between secondary mirror spacing focus adjusting mechanism；
Secondary mirror assembly include time lens barrel, the secondary mirror being arranged in time lens barrel, be arranged on time between lens barrel and connecting cylinder time
Mirror holder；Secondary lens barrel installs secondary mirror light shield towards one end of primary mirror assembly；
Its improvements is：Described focus adjusting mechanism includes heating plate, focusing spacer ring, spring washer and big nut；
Big nut is fitted in time lens barrel one end away from primary mirror assembly by spring washer, and heating plate is covered on big nut；Institute
State spring washer and produce deformational displacement under outer force compresses；Focusing spacer ring is installed between secondary lens barrel and secondary mirror holder；Described focusing spacer ring adds
Dilatancy after heat.
Emulated according to test of many times, the present invention have devised a kind of spring washer structure of optimization, concrete structure is that spring washer is circle
Annular, spring washer offers two groups of grooves in a thickness direction successively and spring washer is divided into three layers；Wherein, near the groove of time lens barrel
Group includes three the first arc-shaped grooves being along the circumferential direction distributed on spring washer；Groups of slots away from secondary lens barrel is included circumferentially
Three the second arc-shaped grooves on spring washer for the directional spreding；Three the first arc-shaped grooves and three the second arc-shaped grooves are handed over
Wrong arrangement；Also along the circumferential direction it is evenly arranged with three projections on the end face that spring washer is contacted with time lens barrel.
Further：The 1/12 of the Zhou Changwei spring washer girth of the first arc-shaped groove；The girth of the second arc-shaped groove
For spring washer girth 1/6.
In order to ensure effect of heat insulation, the primary and secondary mirror of the present invention is repaiied to cut to pad and is made using titanium alloy material, rather than existing skill
The aluminium alloy of art or other materials.
Said system also includes the temperature detecting resistance being covered on big nut.
In order to ensure, in whole temperature control focussing process, the axial direction of system produces and does not radially produce movement while translation, on
State holding gap between the inwall of spring washer and big nut outer wall, gap is 0.1mm；The inwall of focusing packing ring focusing spacer ring and secondary mirror
Gap is kept, gap is 0.1mm between drum outer wall；
In order to prevent time mirror assembly when doing axial translation, run-off the straight swings, and above-mentioned time lens barrel is gap with time mirror holder
Cooperation, gap is 0.015mm；
Above-mentioned spring washer adopts beryllium-bronze material machine-shaping；
Above-mentioned focusing spacer ring adopts duralumin, hard alumin ium alloy materials processing to be molded；
Above-mentioned raised area accounts for the 1/36 of the face area that spring washer is contacted with time lens barrel.
It is an advantage of the current invention that：
1st, the heating plate cooperation spring washer that the present invention passes through and the structure of focusing spacer ring form a kind of temperature control mode and are looked in the distance
The focusing work of system, be not only simple in structure, lightweight, low cost, reliability high.
2nd, the temperature control mode of the present invention only needs to carry out local heating at secondary mirror, in the connection position of secondary mirror holder and connecting cylinder
The primary and secondary mirror put is repaiied and is cut pad and made using titanium alloy material, it is to avoid heat transfer, plays heat-insulated effect.
3rd, between the spring washer of the present invention and big nut, between focusing spacer ring and secondary lens barrel and secondary mirror assembly secondary mirror seat with time
It is gap cooperation between mirror holder, not only ensure that the axial direction of system produces and radially do not produce movement, Er Qieneng while translation
Enough time mirror assemblies of placing do not swing, and substantially increase the stability of system.
Brief description
Fig. 1 is the structure sectional view of the present invention；
Fig. 2 is the partial enlarged drawing at place in Fig. 1；
Fig. 3 is secondary mirror assemble cross-section；
Fig. 4 is the partial enlarged drawing in Fig. 3 at II；
Fig. 5 is the partial enlarged drawing in Fig. 3 at III；
Fig. 6 is the partial enlarged drawing in Fig. 3 at IV；
Fig. 7 is the graphics of spring washer；
Fig. 8 is spring washer sectional view；
Fig. 9 is N direction view in Fig. 8；
Figure 10 is K-K profile in Fig. 8；
Figure 11 is M-M profile in Fig. 8.
Wherein, 1- primary mirror assembly；2- mirror assembly；3- connecting cylinder；4- primary and secondary mirror is repaiied and is cut pad；5- primary mirror；6- secondary mirror；7- time
Mirror holder；8- lens barrel；9- secondary mirror trim ring；10- secondary mirror metal gasket；11- secondary mirror valve rubber；12- secondary mirror light shield；13- spring washer；
14- big nut；15- focusing spacer ring；16- heating plate；17- temperature detecting resistance；19- first circular groove；20- second circular arc is recessed
Groove；21- is raised.
Specific embodiment
The present invention is gone wrong due to stepper motor for the mechanical focusing structure solving traditional preposition telescopic system, leads to
Whole focus adjusting mechanism cannot normal work problem it is proposed that a kind of preposition telescopic system of long-focus.
As shown in figure 1, this system includes primary mirror assembly 1, secondary mirror assembly 2, connecting cylinder 3 (the 4J32 material of two assemblies of connection
Material), the primary and secondary mirror that is arranged on time mirror assembly 2 and connecting cylinder 3 tie point repaiies and cuts pad 4 and be used for adjusting primary mirror 5 in primary mirror assembly 1
And in secondary mirror assembly 2 between secondary mirror 6 spacing focus adjusting mechanism.
Wherein, compared with legacy system, the primary mirror assembly 1 of the present invention and connecting cylinder 3 are identical with traditional telescopic system；
Secondary mirror assembly 2 and focus adjusting mechanism there occurs change, and concrete structure is as shown in figures 2-6：
Secondary mirror assembly 2 includes the secondary mirror holder 7 of 4J32 material, the secondary lens barrel 8 of 4J32 material, the secondary mirror 6 of microcrystal glass material,
The secondary mirror trim ring 9 of duralumin, hard alumin ium alloy material, the secondary mirror metal gasket 10 of brass material, the secondary mirror valve rubber 11 of XM-32 material, duralumin close
The secondary mirror light shield 12 of golden material；Focus adjusting mechanism includes the spring washer 13 of the beryllium-bronze material, big nut 14 of duralumin, hard alumin ium alloy material, hard
The focusing spacer ring 15 of aluminum alloy materials, heating plate 16 and temperature detecting resistance 17.
Concrete structure is：
Secondary mirror 6 is arranged in time lens barrel 8, secondary lens barrel 8 and connecting cylinder 3 are attached by secondary mirror holder 7；Secondary lens barrel 8 is towards master
Secondary mirror light shield 12 is installed in one end of mirror assembly 1；
The spring washer 13 of deformation is produced after suit compression on big nut 14；Big nut 14 is fitted in time lens barrel 8 by spring washer 13
Away from one end of primary mirror assembly 1, heating plate 16 and temperature detecting resistance 17 are covered on big nut 14；Secondary lens barrel 8 and time mirror holder 7 it
Between install focusing spacer ring 15；Dilatancy after focusing spacer ring 15 heating.
Through test of many times emulation, spring washer structure is designed to that following mechanism is the most reasonable, and focusing accuracy is more easily controlled,
Specifically as shown in Fig. 8,9,10,11：
Spring washer 13 is annular, and spring washer offers two groups of grooves in a thickness direction successively and spring washer is divided into three layers；Wherein,
Include three the first arc-shaped grooves 19 being along the circumferential direction distributed on spring washer near the groups of slots of time lens barrel 8；Away from secondary mirror
The groups of slots of cylinder 8 includes three the second arc-shaped grooves 20 being along the circumferential direction distributed on spring washer；Three the first ditch circular arcs
Groove 19 and three the second arc-shaped groove 20 interlaced arrangement；Also along the circumferential direction equal on the end face that spring washer 13 is contacted with time lens barrel 8
Even it is provided with three projections 21.
Further Optimized Measures are：The 1/12 of the Zhou Changwei spring washer girth of the first arc-shaped groove 19；Second circular arc
The 1/6 of the Zhou Changwei spring washer girth of groove 20.
During assembling, rotation big nut compression spring washer, spring washer compression produces deformation, due to raised 21 effect, near secondary mirror
Second arc-shaped groove 20 of cylinder end face is completely eliminated, and due to spring washer 13 elastic force of itself, secondary mirror assembly 2 is completely fixed, and
The first arc-shaped groove 19 away from secondary lens barrel 8 does not eliminate, and this assembling mode does not bring stress, does not affect the face of secondary mirror yet
Shape.
For further meeting the requirement of local temperature control focusing, four kinds of technological means of this patent innovation will to meet
Ask.
1st, the primary and secondary mirror being designed with titanium alloy between secondary mirror assembly and connecting cylinder is repaiied and is cut pad, as shown in Figure 2.Primary and secondary mirror is repaiied and is cut
Pad, in addition to for the conventional interval ensureing primary mirror assembly and time mirror assembly, also functions to heat-insulated effect, when secondary mirror assembly is carried out
When local heating or cooling, primary and secondary mirror is repaiied to cut to pad and can be reduced the secondary biography of heat between mirror assembly and body tube and primary mirror assembly
Pass.
2nd, secondary lens barrel and the cooperation of secondary mirror holder gap, fit clearance is 0.015mm, so can prevent time mirror assembly from doing axial direction
During translation, run-off the straight swings.
3rd, focusing spacer ring inwall and secondary mirror drum outer wall leaves the gap (D in Fig. 6 at) of 0.1mm, and restriction is focused the footpath of spacer ring
To translation, as shown in Figure 4.Focusing spacer ring adopts the big metal material of linear expansion coefficient, both can guarantee that secondary mirror assembly was fixed steady
Fixed degree, also can be when secondary mirror assembly carries out local heating or cooling, and focusing spacer ring occurs larger thermal deformation, promotes secondary mirror assembly
Axially translate；.
4, as shown in fig. 6, spring washer inwall leaves 0.1mm gap (at C in Fig. 5) with the wall of big nut, limit the footpath of spring washer
To translation.
The assembling mode of this system is：First, secondary mirror loads in time lens barrel, secondly, is sequentially loaded into secondary mirror valve rubber, secondary mirror
Metal gasket, secondary mirror trim ring compresses, and notes XM-31 glue from hole for injecting glue；Then, on secondary mirror jacket casing, focusing spacer ring is put in time mirror holder, after
Face loads onto spring washer and big nut successively；Then, secondary lens barrel installs secondary mirror light shield composition time mirror assembly previously by screw thread；?
Afterwards, secondary mirror assembly and primary and secondary mirror are repaiied to cut to pad and are connected by screw with connecting cylinder, and other end primary mirror assembly and body tube pass through screw
Connect, form preposition telescopic system, as shown in Figure 1：Heating plate and temperature detecting resistance paste at A in Fig. 3.
Claims (8)
1. the preposition telescopic system of a kind of long-focus, including the company of primary mirror assembly, secondary mirror assembly, connection primary mirror assembly and secondary mirror assembly
Connect cylinder, be arranged on time mirror assembly and connect the primary and secondary mirror of connecting cylinder tie point and repair and cut pad and be used for adjusting primary mirror in primary mirror assembly
And in secondary mirror assembly between secondary mirror spacing focus adjusting mechanism；
Secondary mirror assembly includes time lens barrel, the secondary mirror being arranged in time lens barrel, is arranged on secondary secondary mirror holder between lens barrel and connecting cylinder；
Secondary lens barrel installs secondary mirror light shield towards one end of primary mirror assembly；
It is characterized in that：Described focus adjusting mechanism includes heating plate, focusing spacer ring, spring washer and big nut；
Big nut is fitted in time lens barrel one end away from primary mirror assembly by spring washer, and heating plate is covered on big nut；Described bullet
Pad produces deformational displacement under outer force compresses；Focusing spacer ring is installed between secondary lens barrel and secondary mirror holder；After described focusing spacer ring heating
Dilatancy.
2. the preposition telescopic system of long-focus according to claim 1 it is characterised in that：Described spring washer is annular, spring washer
Offer two groups of grooves in a thickness direction successively and spring washer is divided into three layers；Wherein, the groups of slots near time lens barrel is included along circle
Circumferential direction is distributed in three the first arc-shaped grooves on spring washer；Groups of slots away from secondary lens barrel includes along the circumferential direction being distributed in
Three the second arc-shaped grooves on spring washer；Three the first ditch arc-shaped slots and three the second arc-shaped groove interlaced arrangement；Bullet
Also along the circumferential direction it is evenly arranged with three projections on the end face that pad is contacted with time lens barrel.
3. according to the preposition telescopic system of the long-focus described in claim 2 it is characterised in that：The Zhou Changwei bullet of the first arc-shaped groove
The 1/12 of pad girth；The 1/6 of the Zhou Changwei spring washer girth of the second arc-shaped groove.
4. the preposition telescopic system of long-focus according to claim 3 it is characterised in that：Described primary and secondary mirror is repaiied and is cut pad and adopt titanium
Alloy material is made.
5. the preposition telescopic system of long-focus according to claim 4 it is characterised in that：Also include being covered on big nut
Temperature detecting resistance.
6. the preposition telescopic system of long-focus according to claim 5 it is characterised in that：The inwall of spring washer and big nut outer wall
Between keep gap, gap be 0.1mm；
Gap is kept, gap is 0.1mm between the inwall of focusing spacer ring and secondary mirror drum outer wall；
Described time lens barrel is coordinated for gap with time mirror holder, and gap is 0.015mm.
7. the preposition telescopic system of long-focus according to claim 6 it is characterised in that：Described spring washer adopts beryllium-bronze material
Machine-shaping；
Described focusing spacer ring adopts duralumin, hard alumin ium alloy materials processing to be molded.
8. the preposition telescopic system of long-focus according to claim 7 it is characterised in that：Described raised area account for spring washer with
The 1/36 of the face area of secondary lens barrel contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610765664.6A CN106444000B (en) | 2016-08-29 | 2016-08-29 | A kind of preposition telescopic system of long-focus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610765664.6A CN106444000B (en) | 2016-08-29 | 2016-08-29 | A kind of preposition telescopic system of long-focus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106444000A true CN106444000A (en) | 2017-02-22 |
| CN106444000B CN106444000B (en) | 2018-11-02 |
Family
ID=58091914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610765664.6A Active CN106444000B (en) | 2016-08-29 | 2016-08-29 | A kind of preposition telescopic system of long-focus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106444000B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109514299A (en) * | 2018-12-04 | 2019-03-26 | 天津津航技术物理研究所 | A kind of optics time mirror holder processing and positioning device |
| CN110806631A (en) * | 2019-11-26 | 2020-02-18 | 长光卫星技术有限公司 | Bidirectional heating focusing structure |
| CN112255777A (en) * | 2020-11-06 | 2021-01-22 | 中国航空工业集团公司洛阳电光设备研究所 | High-precision card type telescopic system |
| TWI730666B (en) * | 2020-03-12 | 2021-06-11 | 財團法人國家實驗研究院 | The optical system having a secondary mirror focusing mechanism |
| CN113074911A (en) * | 2021-03-22 | 2021-07-06 | 中国科学院空天信息创新研究院 | Stability detection method for thermal control focusing mechanism |
| CN117055205A (en) * | 2023-10-11 | 2023-11-14 | 长春通视光电技术股份有限公司 | Athermalization aviation camera telescopic system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2783352Y (en) * | 2005-03-04 | 2006-05-24 | 中国科学院国家天文台南京天文光学技术研究所 | Sub-lens self-adaption positoing mechanism for astronmical telescope |
| CN101359090A (en) * | 2008-08-08 | 2009-02-04 | 中国科学院国家天文台南京天文光学技术研究所 | Movement implementing mechanism for LAMOST type astronomical focus panel |
| US20090284644A1 (en) * | 2008-05-12 | 2009-11-19 | Flir Systems, Inc. | Optical Payload with Folded Telescope and Cryocooler |
| JP2010008825A (en) * | 2008-06-30 | 2010-01-14 | Nikon Corp | Observation optical system |
| CN206115019U (en) * | 2016-08-29 | 2017-04-19 | 中国科学院西安光学精密机械研究所 | Leading system of looking in distance of long -focus |
-
2016
- 2016-08-29 CN CN201610765664.6A patent/CN106444000B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2783352Y (en) * | 2005-03-04 | 2006-05-24 | 中国科学院国家天文台南京天文光学技术研究所 | Sub-lens self-adaption positoing mechanism for astronmical telescope |
| US20090284644A1 (en) * | 2008-05-12 | 2009-11-19 | Flir Systems, Inc. | Optical Payload with Folded Telescope and Cryocooler |
| JP2010008825A (en) * | 2008-06-30 | 2010-01-14 | Nikon Corp | Observation optical system |
| CN101359090A (en) * | 2008-08-08 | 2009-02-04 | 中国科学院国家天文台南京天文光学技术研究所 | Movement implementing mechanism for LAMOST type astronomical focus panel |
| CN206115019U (en) * | 2016-08-29 | 2017-04-19 | 中国科学院西安光学精密机械研究所 | Leading system of looking in distance of long -focus |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109514299A (en) * | 2018-12-04 | 2019-03-26 | 天津津航技术物理研究所 | A kind of optics time mirror holder processing and positioning device |
| CN110806631A (en) * | 2019-11-26 | 2020-02-18 | 长光卫星技术有限公司 | Bidirectional heating focusing structure |
| TWI730666B (en) * | 2020-03-12 | 2021-06-11 | 財團法人國家實驗研究院 | The optical system having a secondary mirror focusing mechanism |
| CN112255777A (en) * | 2020-11-06 | 2021-01-22 | 中国航空工业集团公司洛阳电光设备研究所 | High-precision card type telescopic system |
| CN113074911A (en) * | 2021-03-22 | 2021-07-06 | 中国科学院空天信息创新研究院 | Stability detection method for thermal control focusing mechanism |
| CN113074911B (en) * | 2021-03-22 | 2022-06-07 | 中国科学院空天信息创新研究院 | Stability detection method for thermal control focusing mechanism |
| CN117055205A (en) * | 2023-10-11 | 2023-11-14 | 长春通视光电技术股份有限公司 | Athermalization aviation camera telescopic system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106444000B (en) | 2018-11-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106444000A (en) | Long-focus front telescope system | |
| CN106199900B (en) | A kind of combination mirror holder with hot focusing function | |
| CN105353489B (en) | A kind of f35mm machineries passive type is without thermalization camera lens | |
| CN107132635B (en) | High-precision reflecting mirror switching device | |
| CN104503061A (en) | Active thermal control focusing device for space camera | |
| CN105137565A (en) | Uncooled long-wave infrared optical mechanical athermalizing lens and compensation adjustment method thereof | |
| CN105388577B (en) | LONG WAVE INFRARED machinery passive type is without thermalization camera lens and its compensation adjustment method | |
| CN206115019U (en) | Leading system of looking in distance of long -focus | |
| CN111123470B (en) | Large-caliber variable-azimuth reflector assembly adaptive to radial thermodynamic flexibility | |
| CN104570265B (en) | Lightweight, simplified, high-stability and coaxial camera primary and secondary lens assembly and mounting method | |
| CN106482834B (en) | A kind of inteference imaging spectrometer that can actively focus | |
| CN110908058B (en) | Multi freedom optical axis timing device | |
| CN108561243B (en) | Driving structure for adjusting area of culvert | |
| CN109358419B (en) | Wide-spectrum high-definition low-light zoom lens and working method thereof | |
| CN106094174A (en) | Far infrared long wave dolly-out,s dolly-back high mist transmitting without transconversion into heat camera lens and preparation method thereof | |
| CN206192510U (en) | Interference imaging spectrometer that can initiatively focus | |
| CN110806631B (en) | Bidirectional heating focusing structure | |
| CN106873144A (en) | For the floating type reverse compensation device of telescope secondary mirror under Complex Temperature environment | |
| WO2021239153A1 (en) | Zooming amount and focusing amount linked optical system, design method therefor, and laser cutting head thereof | |
| CN102109654B (en) | Adjusting bracket for variable-focus large-aperture collimating lens | |
| CN102118005A (en) | Modular optical resonant chamber of high-power laser | |
| CN204855925U (en) | On -vehicle optics passive form disappears and heats up poor high definition zoom | |
| CN111426391A (en) | Double-view-field infrared thermal imaging lens and view field switching method | |
| CN217279082U (en) | Portable temperature compensation focusing ray apparatus imaging mechanism | |
| CN110595623B (en) | Refrigeration type thermal infrared imager |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |