CN201845123U - Day-and-night dual-purpose multi-point zoom lens with four group components and high resolution - Google Patents
Day-and-night dual-purpose multi-point zoom lens with four group components and high resolution Download PDFInfo
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- CN201845123U CN201845123U CN2010206043262U CN201020604326U CN201845123U CN 201845123 U CN201845123 U CN 201845123U CN 2010206043262 U CN2010206043262 U CN 2010206043262U CN 201020604326 U CN201020604326 U CN 201020604326U CN 201845123 U CN201845123 U CN 201845123U
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Abstract
The utility model relates to a day-and-night dual-purpose multi-point zoom lens with four group components and high resolution. The day-and-night dual-purpose multi-point zoom lens with the four group components and high resolution relates to video, monitoring and pick-up lens devices. The multi-point zoom lens adopting a novel structural form of the four group components has the performances of high zoom ratio, long focal distance, large aperture, high resolution, wide spectral confocal property and the like; meanwhile, the multi-point zoom lens has the characteristic of short structural length; a light path comprises the four group components which are a front fixing group (A), a zooming group (B), a back fixing group (D) and a compensating group (E); the focal distance of an optical system can be conveniently changed by the back-and-forth corresponding movement of the zooming group (B) and the compensating group (E) along an optical axis; and when the light path is designed, the focal power of the four group components is reasonably distributed, so that an optical lens reaches the performance indexes of high zoom ratio, long focal distance and large relative aperture.
Description
Technical field
The utility model relates to a kind of video monitoring imaging lens device, particularly a kind of four constituent element high resolution day and night multipoint zoom lens.
Background technology
Be illustrated in figure 2 as the result schematic diagram of existing four constituent element multipoint zoom lens, four constituent element multipoint zoom lens as far back as last century the nineties just be applied in the video camera system, but its optical property index is low, becomes multiple proportions less than 10, and longest focal length is about 50 ~ 60mm; In light path, do not use Extra-low Dispersion glass, the resolution of camera lens is lower, can only be adaptive with the CCD or the cmos camera of 20～30 pixels, wide spectral range is not carried out chromatic aberration correction, the spectral range that camera lens adapts to is narrow, can only use under the illumination condition in the daytime of 480nm～650nm.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned defective, for video camera system provides a kind of long-focus, becomes the high four confocal constituent element high resolution day and night multipoint zoom lens of the wide spectrum of high-resolution of multiple proportions, the high performance video image of the adaptive generation of video camera of it and high definition is to carry out the round-the-clock monitoring to remote target.
The technical solution of the utility model is: a kind of four constituent element high resolution day and night multipoint zoom lens, it is characterized in that: being respectively arranged with focal power along the light path incident direction is positive preceding fixing len group (A), focal power is negative change times lens set (B), iris (C), focal power is that positive back fixing len group (D) and focal power is positive compensation lens set (E) and image planes, fixing len group (A) is provided with gummed group I and the biconvex eyeglass A-3 that negative selenodont eyeglass A-1 and biconvex eyeglass A-2 connect airtight successively before described, become times lens set (B) and be provided with the gummed group II that negative selenodont eyeglass B-1 and the concave-concave eyeglass B-2 of being separated by with it and positive selenodont eyeglass B-3 connect airtight successively, described back fixing len group (D) is provided with biconvex eyeglass D-1 successively, biconvex eyeglass D-2 and concave-concave eyeglass D-3, described compensation lens set (E) be provided with successively positive selenodont eyeglass E-1 and be separated by with it by bearing the gummed group III that selenodont eyeglass E-2 and biconvex eyeglass E-3 connect airtight.
The spacing that fixing len group (A) and change are doubly organized between (B) before described is 26.99mm ~ 42.43mm, the spacing that becomes between times lens set (B) and the back fixing len group (D) is 16.96mm ~ 1.52mm, spacing between back fixing len group (D) and the compensation lens set (E) is 7.4mm ~ 16.99mm, and the spacing between compensation lens set (E) and the image planes is 16.82mm ~ 7.23mm.
Gummed group I that negative selenodont eyeglass A-1 and biconvex eyeglass A-2 connect airtight in the described preceding fixing len group (A) and the spacing between the biconvex eyeglass A-3 are 0.2mm, become negative selenodont eyeglass B-1 and concave-concave eyeglass B-2 in times lens set (B) and just the spacing between the selenodont eyeglass B-3 gummed group II of connecting airtight be 3.16mm, spacing in the back fixing len group (D) between biconvex eyeglass D-1 and the biconvex eyeglass D-2 is 0.21mm, spacing between biconvex eyeglass D-2 and the concave-concave eyeglass D-3 is 0.21mm, the gummed group III that positive selenodont eyeglass E-1 and negative selenodont eyeglass E-2 and biconvex eyeglass E-3 connect airtight in compensation lens set (E) be spaced apart 0.05mm.
Fixing len group (A) peripheral part is provided with preceding fixedly arrangement of mirrors seat before described, described preceding fixedly arrangement of mirrors seat is connected by being threadedly connected to the preceding main tube of being located at rear side, main tube inboard is provided with and becomes times arrangement of mirrors seat before described, become to be equipped with in times arrangement of mirrors seat and become times lens set (B), a main helicla flute before offering on the preceding main tube inwall perimembranous, becoming a times arrangement of mirrors seat arranged outside has an end to stretch into change times arrangement of mirrors seat, the other end embeds in the preceding main tube helicla flute and can doubly organize guide pin along the change that preceding master's tube helicla flute moves, the main tube outside is provided with and is used to drive change and doubly organizes the preceding group of regulating ring that guide pin moves before described, preceding main tube rear end is connected with the main tube in back, the described back inboard front end of main tube is bolted with fixedly arrangement of mirrors seat of back, there is back fixing len group (D) described back fixedly arrangement of mirrors seat installed inside, offer back main tube helicla flute on the main tube inwall perimembranous of described back, the inboard rear end of main tube, back is provided with the back group and moves seat, described back group moves a seat sidewall and is provided with an end and back group and moves and fixedly connected, the other end embeds back main tube spiral fluted compensation group guide pin, the back group moves the seat rear end and realizes interlock by screw thread and compensation arrangement of mirrors seat, and compensation lens set (E) is installed in the described compensation arrangement of mirrors seat.
In the fixing len group (A), fix the group spacer ring before being provided with between biconvex eyeglass A-2 and the biconvex eyeglass A-3 before described, trim ring before fixing group the before negative selenodont eyeglass A-1 front side is provided with.
In the described change times lens set (B), negative selenodont eyeglass B-1 front side is provided with and becomes the doubly preceding trim ring of group.
In the described back fixing len group (D), be provided with back fixing group spacer ring between biconvex eyeglass D-1 and the biconvex eyeglass D-2, concave-concave eyeglass D-3 rear side is provided with fixing group back, back trim ring.
In the described compensation lens set (E), be provided with compensation group spacer ring between positive selenodont eyeglass E-1 and the negative selenodont eyeglass E-2, positive selenodont eyeglass E-1 front side is provided with the preceding trim ring of compensation group.
Group is regulated on the surrounding place side and is offered threaded hole before described, and preceding group of lock-screw passes this threaded hole and fix, and described back group moves on all sides of seat and offers threaded hole, and back group lock-screw passes this threaded hole and fixes.
Biconvex eyeglass A-3 adopts the Extra-low Dispersion glass material to make in the preceding fixing len group.
Advantage of the present utility model is: 1, corresponding moving reaches the function that changes the optical system focal length along the optical axis front and back with compensation lens group (E) by becoming times lens group (B);
2, the focal power of reasonable distribution A, B, D, four constituent elements of E, the ratio that makes the maximum focal length of optical lens and minimum focus be up to 12 times, f
Max'=120mm, f
Min'=10mm, relative aperture D/f '=1/1.6, optical texture length≤120mm;
3, use the ingenious cooperation of optical glass material of high refraction, low chromatic dispersion, the A-3 eyeglass of preceding fixing len group (A) is selected the optical glass of Extra-low Dispersion for use, by computer optics Aided Design and the various aberrations of having proofreaied and correct optical lens with optimizing, make the resolution height of camera lens, can adapt to the requirement of high definition video shooting;
4, when optical design, the wide spectral range of 485～850nm is carried out aberration correction and balance makes zoom lens at wide spectral range good picture element be arranged all, realized that wide spectrum is confocal, camera lens can not only photoenvironment in the daytime under blur-free imaging, under night zero illumination environment, by infrared light filling, also can blur-free imaging;
5, when structural design, adopt the three dimension dynamic simulation technology to be optimized, improved the intensity and the anti-vibration performance of camera lens, and made the compact conformation of camera lens, volume is little, and is in light weight.。
Description of drawings
Fig. 1 is a light channel structure synoptic diagram of the present utility model.
Fig. 2 is the light channel structure synoptic diagram of four constituent element camera lenses under the present prior art condition.
Fig. 3 is a structural representation of the present utility model.
Embodiment
A kind of four constituent element high resolution day and night multipoint zoom lens, it is characterized in that: being respectively arranged with focal power along the light path incident direction is positive preceding fixing len group (A), focal power is negative change times lens set (B), iris (C), focal power is that positive back fixing len group (D) and focal power is positive compensation lens set (E) and image planes, fixing len group (A) is provided with gummed group I and the biconvex eyeglass A-3 that negative selenodont eyeglass A-1 and biconvex eyeglass A-2 connect airtight successively before described, become times lens set (B) and be provided with the gummed group II that negative selenodont eyeglass B-1 and the concave-concave eyeglass B-2 of being separated by with it and positive selenodont eyeglass B-3 connect airtight successively, described back fixing len group (D) is provided with biconvex eyeglass D-1 successively, biconvex eyeglass D-2 and concave-concave eyeglass D-3, described compensation lens set (E) be provided with successively positive selenodont eyeglass E-1 and be separated by with it by bearing the gummed group III that selenodont eyeglass E-2 and biconvex eyeglass E-3 connect airtight.
The spacing that fixing len group (A) and change are doubly organized between (B) before described is 26.99mm ~ 42.43mm, the spacing that becomes between times lens set (B) and the back fixing len group (D) is 16.96mm ~ 1.52mm, spacing between back fixing len group (D) and the compensation lens set (E) is 7.4mm ~ 16.99mm, and the spacing between compensation lens set (E) and the image planes F is 16.82mm ~ 7.23mm.
Gummed group I that negative selenodont eyeglass A-1 and biconvex eyeglass A-2 connect airtight in the described preceding fixing len group (A) and the spacing between the biconvex eyeglass A-3 are 0.2mm, become negative selenodont eyeglass B-1 and concave-concave eyeglass B-2 in times lens set (B) and just the spacing between the selenodont eyeglass B-3 gummed group II of connecting airtight be 3.16mm, spacing in the back fixing len group (D) between biconvex eyeglass D-1 and the biconvex eyeglass D-2 is 0.21mm, spacing between biconvex eyeglass D-2 and the concave-concave eyeglass D-3 is 0.21mm, the gummed group III that positive selenodont eyeglass E-1 and negative selenodont eyeglass E-2 and biconvex eyeglass E-3 connect airtight in compensation lens set (E) be spaced apart 0.05mm.
Fixing len group (A) peripheral part is provided with preceding fixedly arrangement of mirrors seat 1 before described, described preceding fixedly arrangement of mirrors seat is connected by being threadedly connected to the preceding main tube 2 of being located at rear side, main tube inboard is provided with and becomes times arrangement of mirrors seat 3 before described, become to be equipped with in times arrangement of mirrors seat and become times lens set (B), a main helicla flute 4 before offering on the preceding main tube inwall perimembranous, becoming a times arrangement of mirrors seat arranged outside has an end 22 to stretch into change times arrangement of mirrors seat, the other end 23 embeds in the preceding main tube helicla flute and can doubly organize guide pin 5 along the change that preceding master's tube helicla flute moves, the main tube outside is provided with and is used to drive change and doubly organizes the preceding group of regulating ring 6 that guide pin moves before described, preceding main tube rear end is connected with the main tube 7 in back, the described back inboard front end of main tube is bolted with fixedly arrangement of mirrors seat 8 of back, there is back fixing len group (D) described back fixedly arrangement of mirrors seat installed inside, offer back main tube helicla flute 9 on the main tube inwall perimembranous of described back, the inboard rear end of main tube, back is provided with the back group and moves seat 10, described back group moves a seat sidewall and is provided with an end 24 and back group and moves and fixedly connected, the other end 25 embeds back main tube spiral fluted compensation group guide pin 11, the back group moves the seat rear end and realizes interlock by screw thread and compensation arrangement of mirrors seat 12, and compensation lens set (E) is installed in the described compensation arrangement of mirrors seat.
In order to realize manual focusing, promptly becoming a times eyeglass combination compensating glass sheet group needs axial location to move again, and amount of movement has strict size and status requirement, guide pin has closely cooperated outside change times arrangement of mirrors seat and the compensation arrangement of mirrors seat, in order in rotation or vibrations process, not run burnt situation, copper guide pin adopts threaded engagement, and at guide pin outer wrapping nylon annulus.
For the logical light of eyeglass and the air distance between the eyeglass in the fixing len group before guaranteeing, in the described preceding fixing len group (A), fixing group spacer ring 13 before being provided with between biconvex eyeglass A-2 and the biconvex eyeglass A-3, for the stability of fixing group assembly before guaranteeing, trim ring 14 before the fixing group before negative selenodont eyeglass A-1 front side is provided with.
In order to guarantee to become the doubly stability of assembly, in the described change times lens set (B), negative selenodont eyeglass B-1 front side is provided with and becomes the doubly preceding trim ring 15 of group.
For the logical light of eyeglass and the air distance between the eyeglass in the fixing len group after guaranteeing, in the described back fixing len group (D), be provided with back fixing group spacer ring 16 between biconvex eyeglass D-1 and the biconvex eyeglass D-2, in order to guarantee the stability of back fixing group assembly, concave-concave eyeglass D-3 rear side is provided with fixing group back, back trim ring 17.
For the logical light that guarantees to compensate eyeglass in the lens set and the air distance between the eyeglass, in the described compensation lens set (E), be provided with compensation group spacer ring 18 between positive selenodont eyeglass E-1 and the negative selenodont eyeglass E-2, in order to guarantee the stability of compensation group assembly, positive selenodont eyeglass E-1 front side is provided with the preceding trim ring 19 of compensation group.
For the focal length that prevents to have confirmed gamma camera move or the vibrations process in decoking, group is regulated on the surrounding place side and is offered threaded hole before described, preceding group lock-screw 20 passes this threaded hole and fixes, described back group moves on all sides of seat and offers threaded hole, back group lock-screw 21 passes this threaded hole and fixes, locking preceding group lock-screw and back group lock-screw can prevent preceding group of regulating ring and back group regulating ring locking from becoming times arrangement of mirrors seat and move with compensation arrangement of mirrors seat.
For make camera lens can not only illumination condition in the daytime under blur-free imaging, can also under the environment of zero illumination at night, adopt infrared light filling and blur-free imaging, biconvex eyeglass A-3 adopts the Extra-low Dispersion glass material to make in the preceding fixing len group.
In sum:
Four constituent element high resolution day and night multipoint zoom lens relate to video, monitoring, imaging lens device, adopt the multipoint zoom lens of four novel constituent element versions, have performances such as the multiple proportions of change height, focal length length, large aperture, high-resolution and wide spectrum is confocal; Simultaneously, the characteristics that have the structure length weak point.Fixing len group (A), change times lens set (B), back fixing len group (D) and four constituent elements of compensation lens set (E) are formed before the optical routing; Move along the optical axis front and back are corresponding with compensation lens set (E) by becoming times lens set (B), can change the focal length of optical system easily.
When light path design, the focal power of four constituent elements of reasonable distribution makes optical lens reach the performance index of hypermutation multiple proportions, long-focus, object lens of large relative aperture; Simultaneously, visible light and near infrared spectral range are carried out aberration correction and balance; By selecting glass material for use, wherein before fixing group A-3 eyeglass adopt the Extra-low Dispersion glass material, make camera lens can not only illumination condition in the daytime under blur-free imaging, can also under the environment of zero illumination at night, adopt infrared light filling and blur-free imaging.By computer optics Aided Design and optimization, make imaging resolution up to mega pixel.Adaptive with high performance CCD or cmos camera, realize the high definition video shooting.
The technical indicator that the utility model is realized is as follows:
1, focal length: f '=10～120mm;
2, become multiple proportions: 12 times;
3, relative aperture D/f '=1/1.6;
4, field angle 2 ω: 33.4 °～2.85 °;
5, resolution: be better than 1,000,000 pixels;
6, light path length overall ∑ D≤120mm;
7, be suitable for spectral line scope: 480nm～850nm.
The above only is preferred embodiment of the present utility model, and all equalizations of being done according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (10)
1. constituent element high resolution day and night multipoint zoom lens, it is characterized in that: being respectively arranged with focal power along the light path incident direction is positive preceding fixing len group (A), focal power is negative change times lens set (B), iris (C), focal power is that positive back fixing len group (D) and focal power is positive compensation lens set (E) and image planes, fixing len group (A) is provided with gummed group I and the biconvex eyeglass A-3 that negative selenodont eyeglass A-1 and biconvex eyeglass A-2 connect airtight successively before described, become times lens set (B) and be provided with the gummed group II that negative selenodont eyeglass B-1 and the concave-concave eyeglass B-2 of being separated by with it and positive selenodont eyeglass B-3 connect airtight successively, described back fixing len group (D) is provided with biconvex eyeglass D-1 successively, biconvex eyeglass D-2 and concave-concave eyeglass D-3, described compensation lens set (E) be provided with successively positive selenodont eyeglass E-1 and be separated by with it by bearing the gummed group III that selenodont eyeglass E-2 and biconvex eyeglass E-3 connect airtight.
2. four constituent element high resolution day and night multipoint zoom lens according to claim 1, it is characterized in that: the spacing that fixing len group (A) and change are doubly organized between (B) before described is 26.99mm ~ 42.43mm, the spacing that becomes between times lens set (B) and the back fixing len group (D) is 16.96mm ~ 1.52mm, spacing between back fixing len group (D) and the compensation lens set (E) is 7.4mm ~ 16.99mm, and the spacing between compensation lens set (E) and the image planes is 16.82mm ~ 7.23mm.
3. four constituent element high resolution day and night multipoint zoom lens according to claim 1, it is characterized in that: gummed group I that negative selenodont eyeglass A-1 and biconvex eyeglass A-2 connect airtight in the described preceding fixing len group (A) and the spacing between the biconvex eyeglass A-3 are 0.2mm, become negative selenodont eyeglass B-1 and concave-concave eyeglass B-2 in times lens set (B) and just the spacing between the selenodont eyeglass B-3 gummed group II of connecting airtight be 3.16mm, spacing in the back fixing len group (D) between biconvex eyeglass D-1 and the biconvex eyeglass D-2 is 0.21mm, spacing between biconvex eyeglass D-2 and the concave-concave eyeglass D-3 is 0.21mm, the gummed group III that positive selenodont eyeglass E-1 and negative selenodont eyeglass E-2 and biconvex eyeglass E-3 connect airtight in compensation lens set (E) be spaced apart 0.05mm.
4. four constituent element high resolution day and night multipoint zoom lens according to claim 1, it is characterized in that: fixing len group (A) peripheral part is provided with preceding fixedly arrangement of mirrors seat before described, described preceding fixedly arrangement of mirrors seat is connected by being threadedly connected to the preceding main tube of being located at rear side, main tube inboard is provided with and becomes times arrangement of mirrors seat before described, become to be equipped with in times arrangement of mirrors seat and become times lens set (B), a main helicla flute before offering on the preceding main tube inwall perimembranous, becoming a times arrangement of mirrors seat arranged outside has an end to stretch into change times arrangement of mirrors seat, the other end embeds in the preceding main tube helicla flute and can doubly organize guide pin along the change that preceding master's tube helicla flute moves, the main tube outside is provided with and is used to drive change and doubly organizes the preceding group of regulating ring that guide pin moves before described, preceding main tube rear end is connected with the main tube in back, the described back inboard front end of main tube is bolted with fixedly arrangement of mirrors seat of back, there is back fixing len group (D) described back fixedly arrangement of mirrors seat installed inside, offer back main tube helicla flute on the main tube inwall perimembranous of described back, the inboard rear end of main tube, back is provided with the back group and moves seat, described back group moves a seat sidewall and is provided with an end and back group and moves and fixedly connected, the other end embeds back main tube spiral fluted compensation group guide pin, the back group moves the seat rear end and realizes interlock by screw thread and compensation arrangement of mirrors seat, and compensation lens set (E) is installed in the described compensation arrangement of mirrors seat.
5. four constituent element high resolution day and night multipoint zoom lens according to claim 4, it is characterized in that: in the described preceding fixing len group (A), fixing group spacer ring before being provided with between biconvex eyeglass A-2 and the biconvex eyeglass A-3, trim ring before the fixing group before negative selenodont eyeglass A-1 front side is provided with.
6. four constituent element high resolution day and night multipoint zoom lens according to claim 4 is characterized in that: in the described change times lens set (B), negative selenodont eyeglass B-1 front side is provided with and becomes the doubly preceding trim ring of group.
7. four constituent element high resolution day and night multipoint zoom lens according to claim 4, it is characterized in that: in the described back fixing len group (D), be provided with back fixing group spacer ring between biconvex eyeglass D-1 and the biconvex eyeglass D-2, concave-concave eyeglass D-3 rear side is provided with fixing group back, back trim ring.
8. four constituent element high resolution day and night multipoint zoom lens according to claim 4, it is characterized in that: in the described compensation lens set (E), be provided with compensation group spacer ring between positive selenodont eyeglass E-1 and the negative selenodont eyeglass E-2, positive selenodont eyeglass E-1 front side is provided with the preceding trim ring of compensation group.
9. four constituent element high resolution day and night multipoint zoom lens according to claim 4, it is characterized in that: group is regulated on the surrounding place side and is offered threaded hole before described, preceding group lock-screw passes this threaded hole and fixes, described back group moves on all sides of seat and offers threaded hole, and back group lock-screw passes this threaded hole and fixes.
10. four constituent element high resolution day and night multipoint zoom lens according to claim 1 is characterized in that: biconvex eyeglass A-3 adopts the Extra-low Dispersion glass material to make in the preceding fixing len group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206043262U CN201845123U (en) | 2010-11-12 | 2010-11-12 | Day-and-night dual-purpose multi-point zoom lens with four group components and high resolution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206043262U CN201845123U (en) | 2010-11-12 | 2010-11-12 | Day-and-night dual-purpose multi-point zoom lens with four group components and high resolution |
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| Publication Number | Publication Date |
|---|---|
| CN201845123U true CN201845123U (en) | 2011-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206043262U Expired - Lifetime CN201845123U (en) | 2010-11-12 | 2010-11-12 | Day-and-night dual-purpose multi-point zoom lens with four group components and high resolution |
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| CN (1) | CN201845123U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102043238A (en) * | 2010-11-12 | 2011-05-04 | 福建福光数码科技有限公司 | Four-element high-resolution day-and-night dual-purpose multipoint varifocal lens |
| CN104749755A (en) * | 2015-03-31 | 2015-07-01 | 中国科学院长春光学精密机械与物理研究所 | Compact tri-component high-zoom ratio continuous zoom lens |
| CN111221114A (en) * | 2020-01-18 | 2020-06-02 | 东莞锐星视觉技术有限公司 | High-magnification high-resolution zoom lens |
-
2010
- 2010-11-12 CN CN2010206043262U patent/CN201845123U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102043238A (en) * | 2010-11-12 | 2011-05-04 | 福建福光数码科技有限公司 | Four-element high-resolution day-and-night dual-purpose multipoint varifocal lens |
| CN104749755A (en) * | 2015-03-31 | 2015-07-01 | 中国科学院长春光学精密机械与物理研究所 | Compact tri-component high-zoom ratio continuous zoom lens |
| CN111221114A (en) * | 2020-01-18 | 2020-06-02 | 东莞锐星视觉技术有限公司 | High-magnification high-resolution zoom lens |
| CN111221114B (en) * | 2020-01-18 | 2021-12-10 | 东莞锐星视觉技术有限公司 | High-magnification high-resolution zoom lens |
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Granted publication date: 20110525 Effective date of abandoning: 20120627 |
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| AV01 | Patent right actively abandoned |
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