CN116047733B - Zoom lens structure and working method - Google Patents
Zoom lens structure and working method Download PDFInfo
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- CN116047733B CN116047733B CN202211641577.1A CN202211641577A CN116047733B CN 116047733 B CN116047733 B CN 116047733B CN 202211641577 A CN202211641577 A CN 202211641577A CN 116047733 B CN116047733 B CN 116047733B
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000003287 optical effect Effects 0.000 claims abstract description 45
- 239000011521 glass Substances 0.000 claims abstract description 15
- 230000000670 limiting effect Effects 0.000 claims description 20
- 238000003825 pressing Methods 0.000 claims description 9
- 238000005070 sampling Methods 0.000 claims description 6
- 230000002633 protecting effect Effects 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/144—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/15—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective compensation by means of only one movement or by means of only linearly related movements, e.g. optical compensation
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/02—Catoptric systems, e.g. image erecting and reversing system
- G02B17/023—Catoptric systems, e.g. image erecting and reversing system for extending or folding an optical path, e.g. delay lines
-
- 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
- G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
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- 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
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
- G03B17/17—Bodies with reflectors arranged in beam forming the photographic image, e.g. for reducing dimensions of camera
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Abstract
The invention discloses a zoom lens structure and a working method, which are characterized in that: the zoom lens structure sequentially comprises incident glass (101), a first reflecting mirror (102), a second reflecting mirror (103), a front fixed mirror group (D), a compensating mirror group (E), a zoom mirror group (F) and a rear fixed mirror group (G) along the direction from light incidence to emergent light; the invention belongs to a diaphragm front continuous zooming visible light optical system, and relates to a diaphragm front continuous zooming visible light optical system, wherein the optical axes of incident glass (101) and a first reflecting mirror (102) are a first optical axis, the optical axes of a second reflecting mirror (103), a front fixed lens group (D), a compensation lens group (E), a variable magnification lens group (F) and a rear fixed lens group (G) are second optical axes, the first optical axis and the second optical axis are mutually parallel, and the first reflecting mirror (102) and the second reflecting mirror (103) are mutually parallel.
Description
Technical field:
the invention belongs to the field of zoom lenses, and particularly relates to a zoom lens structure and a working method.
The background technology is as follows:
the visible light tracking system is paid attention to due to mature technology and low cost; with the increasing complexity of the use environment, the imaging tracking system puts more stringent requirements on the field range, volume and the like; the structure of the current zoom lens is complex, such as patent number CN202010240638.8, the name of the invention is zoom lens and imaging device with the zoom lens.
And patent number CN202011239428.3, title of the invention: a zoom lens.
The invention comprises the following steps:
the invention aims to provide a zoom lens structure and a working method, which are reasonable in design, are favorable for realizing continuous zooming of visible light, and can realize expansion of the relative movement of optical elements on the azimuth and pitch angle of the zoom lens.
The zoom lens structure of the invention is characterized in that: the device comprises incident glass, a first reflecting mirror, a second reflecting mirror, a front fixed mirror group, a compensation mirror group, a zoom mirror group and a rear fixed mirror group in sequence along the incident-emergent direction of light rays;
the optical axes of the incident glass and the first reflecting mirror are a first optical axis, the optical axes of the second reflecting mirror, the front fixed mirror group, the compensating mirror group, the zoom mirror group and the rear fixed mirror group are a second optical axis, the first optical axis and the second optical axis are parallel to each other, the first reflecting mirror and the first optical axis form an included angle of 45 degrees, and the second reflecting mirror and the second optical axis form an included angle of 45 degrees;
the front fixing assembly sequentially comprises eight optical lenses, wherein the front seven lenses form a focusing lens group; the compensation lens group and the zoom lens group form a zoom lens group;
the parameters of the lenses of the front fixed lens group compensation lens group, the variable magnification lens group and the rear fixed lens group are as follows:
preferably, the focusing lens group is fixed in the focusing lens barrel 1 in a mode that the pressing ring is independently locked, two straight grooves of 110 degrees are uniformly distributed on the focusing main lens barrel, the focusing cam is arranged on the outer side of the focusing main lens barrel, and the focusing cam is connected and arranged on the focusing main lens barrel through two linear chute grooves of 110 degrees uniformly distributed by using the focusing guide pin assembly.
Preferably, the focusing potentiometer assembly, the focusing motor assembly, the focusing main lens barrel, the focusing cam and the focusing limit switch assembly form an electric focusing mechanism, a gear of the focusing motor assembly is meshed with a gear of the focusing cam, when the focusing motor assembly is electrified to rotate, the focusing cam is driven to rotate through the gear, and through the limitation of a straight slot on the focusing main lens barrel, the rotation of the focusing lens barrel 1 is limited so as to only perform the linear motion in the straight slot, so that the focusing function on a far target and a near target is realized; the gear of the focusing potentiometer assembly is meshed with the gear of the focusing cam, when the focusing cam rotates, the synchronous gear of the focusing potentiometer rotates relatively, so that the resistance value of the potentiometer changes, the change value of the potentiometer can be obtained through a proper sampling circuit and is transmitted to a control center, and the display of the focusing value is realized; on the contrary, the control center gives out a corresponding resistance command, so that real-time control of focusing can be realized; the focusing limiting nail is arranged on the focusing cam and follows the rotation of the focusing cam, and the focusing cam is limited and protected to the corner by the combined action of the focusing limiting switch and the focusing limiting nail.
Preferably, the pressing ring of the compensation lens group fixes the compensation lens group in the compensation lens barrel and is connected and installed in the compensation sliding frame through a screw; the zoom lens group is fixed in the zoom lens barrel by adopting the zoom press ring 1 and the zoom press ring 2 and is connected and arranged in the zoom sliding frame through screws; the compensation sliding frame and the zooming sliding frame are in grinding fit with the main lens barrel, the zooming cam is arranged on the main lens barrel through steel balls to form a rolling bearing, and the zooming cam is locked by a zooming cam pressing ring to form a zooming assembly.
Preferably, the zoom cam is used for processing zoom and compensation curve grooves according to the requirements of an optical zoom motion scheme, and the zoom cam, the compensation sliding frame and the zoom sliding frame are connected together by a zoom guide pin assembly respectively; the zoom motor assembly, the zoom potentiometer assembly and the zoom limit switch assembly form an electric zoom mechanism; when the rotor of the variable-magnification motor performs positive and negative rotation, the variable-magnification cam is driven to perform corresponding rotation, the compensation sliding frame and the variable-magnification sliding frame are driven to move in a variable-magnification and compensation curve groove mode through the variable-magnification curve groove and the variable-magnification guide pin assembly, two straight grooves on the main lens cone play a role of limiting the variable-magnification guide pin assembly, and the rotation of the compensation sliding frame and the variable-magnification sliding frame is changed into linear motion, so that the continuous zooming function of the lens of the system is realized; when the field of view of the system changes, the zoom cam is meshed with the gear of the zoom potentiometer assembly, so that the zoom potentiometer assembly rotates relatively, the resistance of the potentiometer changes, the change value of the potentiometer can be obtained through a proper sampling circuit and transmitted to a control center, and the display of the zoom value is realized; on the contrary, the control center gives out a corresponding resistance command, so that the real-time control of the focal length can be realized; the zoom limit switch component works cooperatively through the limit nails, and plays a role in limiting and protecting the system in the zooming process.
The working method of the zoom lens structure is characterized in that: along the incident direction of light rays, the assembly of the lens comprises incident glass, a first reflecting mirror, a second reflecting mirror, a front fixed mirror group, a compensation mirror group, a zoom mirror group and a rear fixed mirror group in sequence; the first reflecting mirror and the second reflecting mirror are used for turning the light path, and the relative movement of the optical element is used for expanding the azimuth and pitch angle of the zoom lens.
The invention adopts the design of the foldback light path, can realize the optical information receiving in the appointed visual field range and can realize the automatic focusing in a certain area, wherein, the zoom lens is externally provided with two reflectors and an incident glass, and is used for the foldback light path, and the relative movement of the optical element is utilized to expand the azimuth and pitch angle of the zoom lens.
The invention will be described in further detail with reference to the drawings and the detailed description.
Description of the drawings:
FIG. 1 is a schematic diagram of an optical system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a structural system of an embodiment of the present invention;
FIG. 3 is a schematic view of a mirror assembly according to an embodiment of the invention;
FIG. 4 is a left side view of FIG. 3;
FIG. 5 is a schematic view of a focusing assembly according to an embodiment of the present invention;
FIG. 6 is a left side view of FIG. 5;
FIG. 7 is a perspective view of a focusing assembly in an embodiment of the present invention;
FIG. 8 is a schematic view of a zoom assembly according to an embodiment of the present invention;
FIG. 9 is a left side view of FIG. 8;
FIG. 10 is a perspective view of a zoom assembly according to an embodiment of the present invention;
in fig. 1: 101-incident glass; 102-a first mirror; 103-a second mirror; d-front fixed lens group; d1-focusing lens group; e-zoom lens group; f-mirror compensation lens group; g-fixing the lens group;
in fig. 2: 10-a mirror assembly; 20-a front fixation assembly; 30-a zoom assembly; 40-a rear fixing assembly;
in fig. 3: 101-incident glass; 102-a first mirror; 103-a second mirror; 104-a lens base;
in fig. 5, 6, 7: 201-focusing lens group; 202—focusing lens barrel 1; 203-focusing guide pin assembly; 204-focusing cam; 205—focusing barrel 2; 206-focusing limiting brackets; 207-focusing limit switch; 208-focusing potentiometer assembly; 209-a focus motor assembly;
301-zoom potentiometer assembly in fig. 8, 9, 10; 302-a zoom limit switch; 303-a variable-magnification motor assembly; 304-compensating lens group; 305-compensating a lens barrel; 306-compensating carriage; 307-variable-magnification guide pin assembly; 308-main barrel; 309-a variable-magnification cam; 310-zoom carriage; 311-zoom lens group; 312-a zoom cam ring; 313-zoom lens barrel.
The specific embodiment is as follows:
the invention will now be described in detail with reference to the drawings and examples.
Fig. 1 is a diagram of an optical system according to the present invention, which includes an incident glass 101, a first mirror 102, a second mirror 103, a front fixed mirror group D, a compensation mirror group E, a variable magnification mirror group F, and a rear fixed mirror group G in this order along a light incident-to-emergent direction;
the optical axes of the incident glass 101 and the first reflecting mirror 102 are the first optical axis, the optical axes of the second reflecting mirror 103, the front fixed mirror group D, the compensating mirror group E, the zoom mirror group F and the rear fixed mirror group G are the second optical axis, the first optical axis and the second optical axis are parallel to each other, the first reflecting mirror 102 and the second reflecting mirror 103 form an included angle of 45 degrees with the first optical axis, and the second reflecting mirror 103 forms an included angle of 45 degrees with the second optical axis;
the front fixing assembly D sequentially comprises eight optical lenses, wherein the front seven lenses form a focusing lens group D1; the compensation lens group E and the zoom lens group F form a zoom lens group;
the parameters of the lenses of the front fixed lens group D, the compensation lens group E, the variable magnification lens group F and the rear fixed lens group G are shown in the following table:
FIG. 2 is a schematic view of the structure of the present invention, mainly comprising a mirror assembly 10, a front fixing assembly 20, a zoom assembly 30, and a rear fixing assembly 40;
the reflecting mirror assembly is shown in fig. 3 and 4, and is composed of incident glass 101, a first reflecting mirror 102 and a second reflecting mirror 103 in sequence along the incident direction of light, wherein three groups of glass lenses are respectively installed inside respective lens bases, then are fixed on the lens bases 104 in a flange connection mode, two groups of reflecting mirrors are adopted for light path deflection, and the azimuth and pitch angle of the zoom lens are expanded by utilizing the relative movement of optical elements.
As shown in fig. 5, 6 and 7, the front fixing assembly is shown, the focusing lens group D1 is fixed in the focusing lens barrel 1202 by adopting a mode of independently locking a pressing ring, two straight grooves of 110 ° are uniformly distributed on the focusing main lens barrel 205, the focusing cam 204 is mounted on the outer side of the focusing main lens barrel 205, and the focusing cam 204 is connected and arranged on the focusing main lens barrel 205 by using the focusing guide pin assembly 203 through two linear inclined grooves of 110 ° uniformly distributed.
In the drawing, a focusing potentiometer assembly 208, a focusing motor assembly 209, a focusing main lens barrel 205, a focusing cam 204 and a focusing limit switch assembly 207 form an electric focusing mechanism, a gear of the focusing motor assembly 209 is meshed with the gear of the focusing cam 204, when the focusing motor assembly 209 is electrified to rotate, the gear drives the focusing cam 204 to rotate, and the rotation of the focusing lens barrel 1202 is limited by a straight slot on the focusing main lens barrel 205 so as to only perform linear motion in the straight slot, thereby realizing the focusing function on a far target and a near target; the gear of the focusing potentiometer assembly 208 is meshed with the gear of the focusing cam 204, when the focusing cam 204 rotates, the synchronous gear and the focusing potentiometer rotate relatively, so that the resistance value of the potentiometer changes, the change value of the potentiometer can be obtained through a proper sampling circuit and transmitted to a control center, and the display of the focusing value is realized; on the contrary, the control center gives out a corresponding resistance command, so that real-time control of focusing can be realized. The focusing limiting nail is arranged on the focusing cam 204, and follows the rotation of the focusing cam 204, and the limiting and protecting effects of Jiao Tulun to the corner are adjusted through the combined action of the focusing limiting switch 207 and the focusing limiting nail.
As shown in fig. 8, 9 and 10, the zoom assembly adopts a compensation lens group pressing ring to fix a compensation lens group 304 in a compensation lens barrel 305, and is installed in a compensation carriage 306 through screw connection; the zoom lens group 311 is fixed in the zoom lens barrel 313 by adopting the zoom ring 1 and the zoom ring 2 and is connected and arranged in the zoom carriage 310 by screws; the compensation carriage 306 and the zoom carriage 310 are in grinding fit with the main lens barrel 308, the zoom cam 309 is arranged on the main lens barrel 308 through steel balls to form a rolling bearing, and the rolling bearing is locked by a zoom cam pressing ring 312 to form the zoom assembly 30; the variable-magnification cam 309 processes variable-magnification and compensation curve grooves according to the requirements of an optical zoom motion scheme, and the variable-magnification cam 309 is connected with the compensation carriage 306 and the variable-magnification carriage 310 by the variable-magnification guide pin assembly 307 respectively; the variable-magnification motor component 303, the variable-magnification potentiometer component 301 and the variable-magnification limit switch component 302 form an electric zooming mechanism.
The gear of the variable-magnification motor component 303 is meshed with the gear on the variable-magnification cam 309, when the variable-magnification motor rotor performs positive and negative rotation, the variable-magnification cam 309 is driven to perform corresponding rotation, the compensation carriage 306 and the variable-magnification carriage 310 are driven to move in a variable-magnification and compensation curve slot mode through the variable-magnification curve slot and the variable-magnification guide pin component 307, two straight slots on the main lens barrel 308 play a role of limiting the variable-magnification guide pin component 307, and the rotation of the compensation carriage 306 and the variable-magnification carriage 310 is changed into linear motion, so that the continuous zooming function of a system lens is realized; when the field of view of the system changes, the zoom cam 309 is meshed with the gear of the zoom potentiometer assembly 301, so that the zoom potentiometer assembly 301 rotates relatively, the resistance of the potentiometer changes, the change value of the potentiometer can be obtained through a proper sampling circuit and transmitted to a control center, and the display of the zoom value is realized; on the contrary, the control center gives out a corresponding resistance command, so that the real-time control of the focal length can be realized; the zoom limit switch component 302 works cooperatively through limit nails, and plays a role in limiting and protecting the system in the zooming process.
Claims (6)
1. A zoom lens structure, characterized in that: the light beam incident-emergent device comprises incident glass (101), a first reflecting mirror (102), a second reflecting mirror (103), a front fixed mirror group (D), a compensation mirror group (E), a variable-magnification mirror group (F) and a rear fixed mirror group (G) in sequence along the light beam incident-emergent direction;
the optical axes of the incident glass (101) and the first reflecting mirror (102) are first optical axes, the second reflecting mirror (103), the front fixed mirror group (D), the compensating mirror group (E), the variable-magnification mirror group (F) and the rear fixed mirror group (G) are second optical axes, the first optical axes are parallel to the second optical axes, the first reflecting mirror (102) and the second reflecting mirror (103) are parallel to each other, an included angle of 45 degrees is formed between the first reflecting mirror (102) and the first optical axis, and an included angle of 45 degrees is formed between the second reflecting mirror (103) and the second optical axis;
the front fixed lens group (D) sequentially comprises eight optical lenses, wherein the front seven lenses form a focusing lens group (D1); the compensation lens group (E) and the zoom lens group (F) form a zoom lens group;
the parameters of the lenses of the front fixed lens group (D), the compensation lens group (E), the variable magnification lens group (F) and the rear fixed lens group (G) are as follows:
2. the zoom lens configuration according to claim 1, wherein: the focusing lens group (D1) is fixed in the focusing lens barrel 1 (202) in a mode that a pressing ring is independently locked, two straight grooves of 110 degrees are uniformly distributed on the focusing main lens barrel (205), a focusing cam (204) is arranged on the outer side of the focusing main lens barrel (205), and the focusing cam (204) is connected and arranged on the focusing main lens barrel (205) through two linear inclined grooves of 110 degrees uniformly distributed by using a focusing guide pin assembly (203).
3. The zoom lens configuration according to claim 1 or 2, wherein: the focusing potentiometer assembly (208), the focusing motor assembly (209), the focusing main lens barrel (205), the focusing cam (204) and the focusing limit switch assembly (207) form an electric focusing mechanism, a gear of the focusing motor assembly (209) is meshed with the gear of the focusing cam (204), when the focusing motor assembly (209) is electrified and rotates, the focusing cam (204) is driven to rotate through the gear, and the rotation of the focusing lens barrel 1 (202) is limited by the straight groove limit on the focusing main lens barrel (205) so as to only perform the linear motion in the straight groove, thereby realizing the focusing function on a far target and a near target; the gear of the focusing potentiometer assembly (208) is meshed with the gear of the focusing cam (204), when the focusing cam (204) rotates, the synchronous gear and the gear of the focusing potentiometer rotate relatively, so that the resistance value of the potentiometer changes, the change value of the potentiometer can be obtained through a proper sampling circuit and transmitted to a control center, and the display of the focusing value is realized; on the contrary, the control center gives out a corresponding resistance command, so that real-time control of focusing can be realized; the focusing limiting nail is arranged on the focusing cam (204), and follows the rotation of the focusing cam (204), and the limiting and protecting effects of the focusing limiting switch (207) and the focusing limiting nail on the rotation angle of the adjusting Jiao Tulun (204) are achieved through the combined action of the focusing limiting switch and the focusing limiting nail.
4. A zoom lens configuration according to claim 3, wherein: the pressing ring of the compensation lens group fixes the compensation lens group (304) in the compensation lens barrel (305) and is connected and installed in the compensation sliding frame (306) through screws; the zoom lens group (311) is fixed in the zoom lens barrel (313) by adopting the zoom press ring 1 and the zoom press ring 2 and is connected and arranged in the zoom sliding frame (310) through screws; the compensation sliding frame (306) and the zooming sliding frame (310) are in grinding fit with the main lens barrel (308), the zooming cam (309) is arranged on the main lens barrel (308) through steel balls to form a rolling bearing, and the zooming cam pressing ring (312) is used for locking to form the zooming assembly (30).
5. The zoom lens configuration of claim 4, wherein: the variable-magnification cam (309) is used for processing variable-magnification and compensation curve grooves according to the requirements of an optical zoom motion scheme, and the variable-magnification cam (309) is connected with the compensation carriage (306) and the variable-magnification carriage (310) by the variable-magnification guide pin assembly (307) respectively; the zoom motor component (303), the zoom potentiometer component (301) and the zoom limit switch component (302) form an electric zoom mechanism; the gear of the variable-magnification motor component (303) is meshed with the gear on the variable-magnification cam (309), when the variable-magnification motor rotor performs positive and negative rotation, the variable-magnification cam (309) is driven to perform corresponding rotation, the compensation sliding frame (306) and the variable-magnification sliding frame (310) are driven to move in a variable-magnification and compensation curve groove mode through the variable-magnification curve groove and the variable-magnification guide pin component (307), two straight grooves on the main lens barrel (308) play a role of limiting the variable-magnification guide pin component (307), and the rotation of the compensation sliding frame (306) and the variable-magnification sliding frame (310) is changed into linear motion, so that the continuous zooming function of a system lens is realized; when the field of view of the system changes, the zoom cam (309) is meshed with a gear of the zoom potentiometer assembly (301), so that the zoom potentiometer assembly (301) rotates relatively, the resistance of the potentiometer changes, the change value of the potentiometer can be obtained through a proper sampling circuit, and the change value is transmitted to a control center, so that the display of the zoom value is realized; on the contrary, the control center gives out a corresponding resistance command, so that the real-time control of the focal length can be realized; the zoom limit switch component (302) works cooperatively through limit nails, and plays a role in limiting and protecting the system in the zooming process.
6. A method of operating a zoom lens configuration as claimed in any one of claims 1 to 5, characterized in that: along the incidence direction of light rays, the assembly of the lens is sequentially an incidence glass (101), a first reflecting mirror (102), a second reflecting mirror (103), a front fixed mirror group (D), a compensation mirror group (E), a zoom mirror group (F) and a rear fixed mirror group (G); the first reflecting mirror (102) and the second reflecting mirror (103) are used for turning the light path, and the relative movement of the optical element is utilized to expand the azimuth and pitch angle of the zoom lens.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211641577.1A CN116047733B (en) | 2022-12-20 | 2022-12-20 | Zoom lens structure and working method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211641577.1A CN116047733B (en) | 2022-12-20 | 2022-12-20 | Zoom lens structure and working method |
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| CN116047733B true CN116047733B (en) | 2024-03-15 |
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| CN107193117A (en) * | 2017-07-12 | 2017-09-22 | 福建福光股份有限公司 | compact high-resolution zoom lens |
| JP2017203916A (en) * | 2016-05-13 | 2017-11-16 | キヤノン株式会社 | Zoom lens and imaging device including the same |
| CN111458855A (en) * | 2015-01-30 | 2020-07-28 | 株式会社尼康 | Variable magnification optical system and optical apparatus |
| CN216956506U (en) * | 2021-11-29 | 2022-07-12 | 福建福光天瞳光学有限公司 | Structure of long-focus zoom lens |
| CN217238506U (en) * | 2021-12-31 | 2022-08-19 | 福建福光天瞳光学有限公司 | Large-caliber turning type long-focus ultra-high-definition zoom lens |
| WO2022198787A1 (en) * | 2021-03-22 | 2022-09-29 | 福建福光股份有限公司 | Telephoto visible light continuous zoom lens |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6300070B2 (en) * | 2013-02-22 | 2018-03-28 | パナソニックＩｐマネジメント株式会社 | Zoom lens system, interchangeable lens device and camera system |
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2022
- 2022-12-20 CN CN202211641577.1A patent/CN116047733B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111458855A (en) * | 2015-01-30 | 2020-07-28 | 株式会社尼康 | Variable magnification optical system and optical apparatus |
| JP2017203916A (en) * | 2016-05-13 | 2017-11-16 | キヤノン株式会社 | Zoom lens and imaging device including the same |
| CN107193117A (en) * | 2017-07-12 | 2017-09-22 | 福建福光股份有限公司 | compact high-resolution zoom lens |
| WO2022198787A1 (en) * | 2021-03-22 | 2022-09-29 | 福建福光股份有限公司 | Telephoto visible light continuous zoom lens |
| CN216956506U (en) * | 2021-11-29 | 2022-07-12 | 福建福光天瞳光学有限公司 | Structure of long-focus zoom lens |
| CN217238506U (en) * | 2021-12-31 | 2022-08-19 | 福建福光天瞳光学有限公司 | Large-caliber turning type long-focus ultra-high-definition zoom lens |
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| CN116047733A (en) | 2023-05-02 |
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