CN202330850U - Mega-pixel zoom lens - Google Patents
Mega-pixel zoom lens Download PDFInfo
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- CN202330850U CN202330850U CN2011204465194U CN201120446519U CN202330850U CN 202330850 U CN202330850 U CN 202330850U CN 2011204465194 U CN2011204465194 U CN 2011204465194U CN 201120446519 U CN201120446519 U CN 201120446519U CN 202330850 U CN202330850 U CN 202330850U
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Abstract
The utility model relates to a mega-pixel zoom lens. The lens comprises a front lens cone, a zoom lens cone, a rear lens cone and a focusing lens cone, which are sequentially arranged along the incident direction of light rays, and is characterized in that: a bonding lens A formed by bonding positive meniscus lenses and positive meniscus lenses B are arranged in the front lens cone sequentially along the incident direction of the light rays; a biconcave lens C and a bonding lens D formed by bonding a biconcave lens and a plano-concave lens are arranged in the zoom lens cone sequentially along the incident direction of the light rays; a biconvex lens E, a positive meniscus lens F, a biconcave lens G and a bonding lens H formed by bonding a biconvex lens and a biconcave lens are arranged in the rear lens cone sequentially along the incident direction of the light rays; and a biconvex lens I, a biconvex length J and a bonding lens K formed by bonding a biconvex lens and a biconcave lens are arranged in the zoom lens cone sequentially along the incident direction of the light rays. Manual zooming, manual iris and manual focusing can be realized; and the zoom lens has the advantages of large target area, high sensitivity and the like.
Description
Technical field
The utility model relates to a kind of mega pixel Varifocal zoom lens, belongs to imaging lens device, and wide model is applied in safety-protection system and the machine vision.
Background technology
Thereby zoom lens is the field angle that it(?) within the specific limits can the conversion focal length obtains different width, the videos of different sizes and the camera lens of different scenery scopes.Zoom lens can change coverage through the change focal length under the situation that does not change shooting distance, therefore be very beneficial for film composition.In safety-protection system and machine vision, zoom lens requires than higher, and not only bigger target surface of needs, and sensitivity and precision want high.
Summary of the invention
The purpose of the utility model is to provide the mega pixel that a kind of target surface is big, highly sensitive and precision is high Varifocal zoom lens.
To achieve these goals; The technical scheme of the utility model is: a kind of mega pixel Varifocal zoom lens; Comprise the preceding lens barrel, zoom lens barrel, back lens barrel and the focusing lens barrel that set gradually along the light incident direction; The outer circumferential side of said zoom lens barrel is provided with focusing handwheel; The outer circumferential side of said back lens barrel is provided with the diaphragm handwheel; The outer circumferential side of said focusing lens barrel is provided with the focus adjustment ring; It is characterized in that: be provided with balsaming lens A and positive meniscus lens B successively along the light incident direction in the lens barrel before said by positive meniscus lens and positive meniscus lens gummed; The balsaming lens D that is provided with biconcave lens C successively and glues together along the light incident direction in the said zoom lens barrel by biconcave lens and plano-concave lens, the balsaming lens H that is provided with biconvex lens E, positive meniscus lens F, biconcave lens G successively and glues together along the light incident direction in the lens barrel of said back, the balsaming lens K that is provided with biconvex lens I, biconvex lens J successively and glues together along the light incident direction in the said focusing lens barrel by biconvex lens and biconcave lens by biconvex lens and biconcave lens.
Preferably, balsaming lens A and the airspace between the positive meniscus lens B in the said preceding lens barrel is 0.1 ± 0.03mm; Biconcave lens C and the airspace between the balsaming lens D in the said zoom lens barrel are 3.663 ± 0.03mm; Biconvex lens E and the airspace between the diaphragm sheet of biconvex lens E front side in the lens barrel of said back are 1.7 ± 0.05mm; Biconvex lens E and the airspace between the positive meniscus lens F in the lens barrel of said back are 0.1 ± 0.03mm; Positive meniscus lens F and the airspace between the biconcave lens G in the lens barrel of said back are 1.341 ± 0.03mm, and biconcave lens G and the airspace between the balsaming lens H in the lens barrel of said back are 7.997 ± 0.03mm; Biconvex lens I and the airspace between the biconvex lens J in the said focusing lens barrel are 0.1 ± 0.03mm, and biconvex lens J and the airspace between the balsaming lens K in the said focusing lens barrel are 0.1 ± 0.03mm.
Preferably; Positive meniscus lens B before said in the lens barrel and the airspace between the biconcave lens C in the zoom lens barrel are d1; Airspace between the biconvex lens E in balsaming lens D in the said zoom lens barrel and the back lens barrel is d2, and balsaming lens H in the lens barrel of said back and the airspace between the biconvex lens I in the focusing lens barrel are d3, wherein: d1=2.57 ~ 37.2mm; D1+d2=40.692mm, d3=9.81 ~ 2.8mm.
Preferably, the airspace between the balsaming lens K in the said focusing lens barrel and the target surface of video camera is d4, wherein: d3+d4=22.899mm.
The utlity model has following advantage: the compact conformation of this mega pixel Varifocal zoom lens and easy to use, manually zoom, manual iris and camera lens focusing have big target surface, highly sensitive and precision advantages of higher.
Description of drawings
Fig. 1 is the optical system synoptic diagram of the utility model embodiment.
Fig. 2 is the assembly structure synoptic diagram of the utility model embodiment.
Among the figure: 01-biconcave lens C, 02-balsaming lens D, 03-positive meniscus lens B, 04-balsaming lens A, 05,09,14,28,39, the 40-trim ring, lens barrel before the 06-; 07,08,22,34,35, the 42-spacer ring, 10, the 27-pilot sleeve, 11-plus screw, 12-focusing handwheel, 13-zoom lens barrel; 15,19, the 25-trip bolt, 16,24,29,45, the 50-gib screw, the 17-sleeve of focusing, 18-zoom guide cylinder, 20-diaphragm handwheel; 21-rotating ring collar, lens barrel behind the 23-, 26-focus adjustment ring, the 30-sleeve of focusing, the 31-packing ring; 32-Connection Block, the 33-lens barrel of focusing, 36-balsaming lens K, 37-biconvex lens J, 38-biconvex lens I; 41-balsaming lens H, 43-biconcave lens G, 44-diaphragm handwheel trim ring, 46-diaphragm sheet, 47-diaphragm rivet; 48-diaphragm rotating ring, 49-connects support, 51-positive meniscus lens F, 52-biconvex lens E, 53-target surface.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done further elaboration.
With reference to figure 1 ~ 2; A kind of mega pixel Varifocal zoom lens; Comprise the preceding lens barrel 06, zoom lens barrel 13, back lens barrel 23 and the focusing lens barrel 33 that set gradually along the light incident direction; The outer circumferential side of said zoom lens barrel 13 is provided with focusing handwheel 12; The outer circumferential side of said back lens barrel 23 is provided with diaphragm handwheel 20; The outer circumferential side of said focusing lens barrel 33 is provided with focus adjustment ring 26; It is characterized in that: be provided with balsaming lens A04 and positive meniscus lens B03 successively along the light incident direction in the lens barrel 06 before said by positive meniscus lens and positive meniscus lens gummed; The balsaming lens D02 that is provided with biconcave lens C01 successively and glues together along the light incident direction in the said zoom lens barrel 13 by biconcave lens and plano-concave lens, the balsaming lens H41 that are provided with biconvex lens E52, positive meniscus lens F51, biconcave lens G43 successively and glue together along the light incident direction in the said back lens barrel 23, the balsaming lens K36 that is provided with biconvex lens I38, biconvex lens J37 successively and glues together along the light incident direction in the said focusing lens barrel 33 by biconvex lens and biconcave lens by biconvex lens and biconcave lens.
In the present embodiment, balsaming lens A04 and the airspace between the positive meniscus lens B03 in the said preceding lens barrel 06 is 0.1 ± 0.03mm; Biconcave lens C01 and the airspace between the balsaming lens D02 in the said zoom lens barrel 13 are 3.663 ± 0.03mm; Biconvex lens E52 and the airspace between the diaphragm sheet 46 of biconvex lens E52 front side in the said back lens barrel 23 are 1.7 ± 0.05mm; Biconvex lens E52 and the airspace between the positive meniscus lens F51 in the said back lens barrel 23 are 0.1 ± 0.03mm; Positive meniscus lens F51 and the airspace between the biconcave lens G43 in the said back lens barrel 23 are 1.341 ± 0.03mm, and biconcave lens G43 and the airspace between the balsaming lens H41 in the said back lens barrel 23 are 7.997 ± 0.03mm; Biconvex lens I38 and the airspace between the biconvex lens J37 in the said focusing lens barrel 33 are 0.1 ± 0.03mm, and biconvex lens J37 and the airspace between the balsaming lens K36 in the said focusing lens barrel 33 are 0.1 ± 0.03mm; Distance between the rear side of the front side of said balsaming lens A and balsaming lens K is 128.199mm.
In the present embodiment; Airspace between the biconcave lens C01 in positive meniscus lens B03 before said in the lens barrel 06 and the zoom lens barrel 13 is d1; Airspace between the biconvex lens E52 in balsaming lens D02 in the said zoom lens barrel 13 and the back lens barrel 23 is d2, and balsaming lens H41 in the said back lens barrel 23 and the airspace between the biconvex lens I38 in the focusing lens barrel 33 are d3, wherein: d1=2.57 ~ 37.2mm; D1+d2=40.692mm, d3=9.81 ~ 2.8mm; Airspace between the balsaming lens K36 in the said focusing lens barrel 33 and the target surface 53 of video camera is d4, wherein: d3+d4=22.899mm.
The mega pixel Varifocal zoom lens specification of present embodiment is following: focal length is 10 ~ 60mm, and pixel is 1.3 mega-pixel, and relative aperture is 1.4F; The aperture type is manual; Target surface is of a size of 2/3 ＂, and field angle is 51 ° ~ 11 °, distortion < 12 ~ 1%; Apparent size is ￠ 59.5 * 126.966mm, and filter is of a size of M49x 0.75.
The principle of work of present embodiment is following.
(1) implement manual zoom: in zoom guide cylinder 18, be provided with zoom lens barrel 13, these zoom lens barrel 13 internal fixation are provided with biconcave lens C01, balsaming lens D02 and trim ring 14 assemblies, and these zoom lens barrel 13 cylindricals are provided with three pilot sleeves 10; Be respectively equipped with the thirty word screw 11 on the fixing zoom lens barrel 13 in this pilot sleeve 10; This pilot sleeve 10 passes three straight-line guidance grooves on the zoom guide cylinder 18 respectively and stretches in three helical guide grooves that place in the focusing sleeve 17, also is provided with the through hole of a SR1 blind hole and a diameter 2.3mm on this focusing sleeve 17; These focusing sleeve 17 cylindricals are provided with focusing handwheel 12, and this focusing handwheel 12 is provided with and is used to connect the gib screw 16 on focusing handwheel 12 and the focusing sleeve 17 and the fixedly trip bolt 15 of focusing handwheel 12 of back that is used to focus.When needing manual zoom, manually rotate focusing handwheel 12 make zoom lens barrel 13 relatively focusing sleeves 17 do the rotary extension motion.
(2) implement manual iris: be provided with the aperture of 6 diameter 1.5mm at the rear side inner face of zoom guide cylinder 18, cooperate with 6 diaphragm sheet 46 bottoms pins respectively, those diaphragm sheets 46 rotate around the pin axis and become greatly, diminish to implement the aperture of the diaphragm; These 6 diaphragm sheet 46 tops are respectively equipped with pin; Respectively with diaphragm rotating ring 48 on 6 wide gathering sills of 1.5mm do and be slidingly matched; This diaphragm rotating ring 48 is done the footpath with zoom guide cylinder 18 axis and is rotatablely moved forwards, backwards, and string moves along zoom guide cylinder 18 axis front and back to be limited to diaphragm rotating ring 48 with moving plate collar 21; This diaphragm rotating ring 48 is provided with a Nogata tenon, and this Nogata tenon passes zoom guide cylinder 18 and is connected support 49, stretches to place in the diaphragm handwheel 20 Nogata tongue-and-grooves; Diaphragm handwheel 48 rotates along connecting support 49 axis, and this diaphragm handwheel 48 is limited to along connecting support 49 axis front and back string moving by diaphragm handwheel trim ring 44, and this diaphragm handwheel 48 is provided with diaphragm and regulates the trip bolt 19 that is used for fixing.
(3) implement the camera lens focusing: be provided with the screw hole of three M1.6 in lens barrel 23 front sides, back, the gib screw 50 of three M1.6 passes three through holes that connect support 49 and is fixed in back lens barrel 23.Be provided with the fixation group eyeglass in this back lens barrel 23; This fixation group eyeglass has biconvex lens E52, positive meniscus lens F51, biconcave lens G43 and balsaming lens H41; Also be connected with focusing lens barrel 33 in the rear side of this back lens barrel 23; Be provided with the focusing lens set in this focusing lens barrel 33, this focusing lens set has biconvex lens I38, biconvex lens J37, balsaming lens K36, spacer ring 34, spacer ring 35 and trim ring 39.This focusing lens barrel 33 is provided with the screw hole of three M1.6 that are uniformly distributed with; Three pilot sleeves 27 are fixed on the focusing lens barrel 33 with gib screw 29 respectively; This pilot sleeve 27 passes respectively in three axial straight troughs on the lens barrel 23 of back, and stretches in three helicla flutes that place focusing sleeve 30.Lens barrel 23 axis rotate this focusing sleeve 30 along the back, and this focusing sleeve 30 is provided with three screw holes and is used to connect focusing ring 26.This focusing ring 26 is provided with the defocused trip bolt that is used for fixing 25, and this trip bolt 25 passes the screw hole of focusing ring 26 and the through hole on the focusing sleeve 30, and is fixed on lens barrel 23 cylindricals of back.
(4) these back lens barrel 23 right sides are provided with Connection Block 32; These Connection Block 32 end faces are provided with wheelwork and cylindrical is provided with packing ring 31; This packing ring 31 is fixed in back lens barrel 23 rear sides with Connection Block 32 by three screws 29 on the trim ring 28, and this Connection Block 32 is provided with the C type hickey that is connected with camera.
The above is merely the preferred embodiment of the utility model, and all equalizations of being done according to the utility model claim change and modify, and all should belong to the covering scope of the utility model.
Claims (4)
1. mega pixel Varifocal zoom lens; Comprise the preceding lens barrel, zoom lens barrel, back lens barrel and the focusing lens barrel that set gradually along the light incident direction; The outer circumferential side of said zoom lens barrel is provided with focusing handwheel; The outer circumferential side of said back lens barrel is provided with the diaphragm handwheel; The outer circumferential side of said focusing lens barrel is provided with the focus adjustment ring; It is characterized in that: be provided with balsaming lens A and positive meniscus lens B successively along the light incident direction in the lens barrel before said by positive meniscus lens and positive meniscus lens gummed; The balsaming lens D that is provided with biconcave lens C successively and glues together along the light incident direction in the said zoom lens barrel by biconcave lens and plano-concave lens, the balsaming lens H that is provided with biconvex lens E, positive meniscus lens F, biconcave lens G successively and glues together along the light incident direction in the lens barrel of said back, the balsaming lens K that is provided with biconvex lens I, biconvex lens J successively and glues together along the light incident direction in the said focusing lens barrel by biconvex lens and biconcave lens by biconvex lens and biconcave lens.
2. mega pixel Varifocal zoom lens according to claim 1 is characterized in that: balsaming lens A and the airspace between the positive meniscus lens B before said in the lens barrel are 0.1 ± 0.03mm; Biconcave lens C and the airspace between the balsaming lens D in the said zoom lens barrel are 3.663 ± 0.03mm; Biconvex lens E and the airspace between the diaphragm sheet of biconvex lens E front side in the lens barrel of said back are 1.7 ± 0.05mm; Biconvex lens E and the airspace between the positive meniscus lens F in the lens barrel of said back are 0.1 ± 0.03mm; Positive meniscus lens F and the airspace between the biconcave lens G in the lens barrel of said back are 1.341 ± 0.03mm, and biconcave lens G and the airspace between the balsaming lens H in the lens barrel of said back are 7.997 ± 0.03mm; Biconvex lens I and the airspace between the biconvex lens J in the said focusing lens barrel are 0.1 ± 0.03mm, and biconvex lens J and the airspace between the balsaming lens K in the said focusing lens barrel are 0.1 ± 0.03mm.
3. mega pixel Varifocal zoom lens according to claim 2; It is characterized in that: positive meniscus lens B before said in the lens barrel and the airspace between the biconcave lens C in the zoom lens barrel are d1; Airspace between the biconvex lens E in balsaming lens D in the said zoom lens barrel and the back lens barrel is d2; Balsaming lens H in the lens barrel of said back and the airspace between the biconvex lens I in the focusing lens barrel are d3; Wherein: d1=2.57 ~ 37.2mm, d1+d2=40.692mm, d3=9.81 ~ 2.8mm.
4. mega pixel Varifocal zoom lens according to claim 3 is characterized in that: the airspace between the balsaming lens K in the said focusing lens barrel and the target surface of video camera is d4, wherein: d3+d4=22.899mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204465194U CN202330850U (en) | 2011-11-14 | 2011-11-14 | Mega-pixel zoom lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204465194U CN202330850U (en) | 2011-11-14 | 2011-11-14 | Mega-pixel zoom lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202330850U true CN202330850U (en) | 2012-07-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204465194U Expired - Lifetime CN202330850U (en) | 2011-11-14 | 2011-11-14 | Mega-pixel zoom lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202330850U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106094181A (en) * | 2016-07-28 | 2016-11-09 | 东莞市奥普特自动化科技有限公司 | 3X zoom machine visual lens |
-
2011
- 2011-11-14 CN CN2011204465194U patent/CN202330850U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106094181A (en) * | 2016-07-28 | 2016-11-09 | 东莞市奥普特自动化科技有限公司 | 3X zoom machine visual lens |
| CN106094181B (en) * | 2016-07-28 | 2018-06-05 | 东莞市奥普特自动化科技有限公司 | 3X zoom machine visual lens |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 350108, Fujian Fuzhou high tech Zone Haixi new and high tech Industrial Park Innovation Park, No. 15, building 3-8 Patentee after: Fujian Hao Lan Photoelectric Co., Ltd. Address before: Cangshan District of Fuzhou City, Fujian province 350002 Jinshan Road No. 618 Orangerie Chau Industrial Park Building 3 layer eighteenth Patentee before: AZURE Photonics Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |