CN202159177U - Day and night duel-use large-zoom high-resolution convertible lens - Google Patents
Day and night duel-use large-zoom high-resolution convertible lens Download PDFInfo
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- CN202159177U CN202159177U CN2011202803444U CN201120280344U CN202159177U CN 202159177 U CN202159177 U CN 202159177U CN 2011202803444 U CN2011202803444 U CN 2011202803444U CN 201120280344 U CN201120280344 U CN 201120280344U CN 202159177 U CN202159177 U CN 202159177U
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Abstract
A day and night duel-use large-zoom high-resolution convertible lens relates to a convertible lens. The day and night duel-use large-multiple high-resolution convertible lens is sequentially provided with a front fixed group (1), a zoom group (2), an iris diaphragm (3), a rear fixed group (4) and a compensation group (5) from an object plane to an image plane, the front fixed group (1) is fixed at the front inner side of a main lens tube (6) by a first fastening ring (7), the front end of the zoom group (2) is arranged in a front lens tube (8) by a second fastening ring (9), the front lens tube (8) is arranged in the main lens tube (6), a plurality of first spiral grooves (16) are uniformly arranged at the inner side of the middle part of the main lens tube (6), a front rotation ring (18) is arranged at the outer side of the middle part of the main lens tube (6), first linear slots (19) are uniformly arranged on the inner side of the front rotation ring (18), and one end of a zoom group guide pin (17) is matched with a screw hole at the outer side of the front lens tube (8) by the first spiral grooves (16). The day and night duel-use large-zoom high-resolution convertible lens has the advantages of high zooming ratio, high resolution and wide spectrum confocusing.
Description
Technical field:
The utility model relates to a kind of zoom lens, relates in particular to the big change multiple proportions of a kind of day and night high-resolution zoom camera lens.
Background technology:
In recent years, the enhancing gradually of Along with people's security protection consciousness, country are to the pay attention to day by day of social public security and the complicacy day by day of social safety problem, and security protection just seems and becomes more and more important.Therefore people propose requirements at the higher level to security and guard technology.In the video monitoring technical field of security and protection, many producers begin to release high definition mega pixel level video camera, and increasing engineering merchant also adopts high-definition camera in engineering.
And the quality and the readability of the imaging picture that the optical lens that high-definition camera mated directly determines; Simultaneously, along with the development of modern monitoring technique, the scope that requirement can be monitored is also increasing, and the focal length of camera lens has directly determined the big or small and far and near of pickup image, and this camera lens that just requires video camera and mated must satisfy certain zoom ratio; Also have to be exactly want to realize the all-weather real-time monitoring at night on daytime, so the optical lens of selecting for use also must satisfy visible light and infrared wide spectrum is confocal.Therefore, big zoom ratio, wide spectrum is confocal, high definition also becomes optical lens main development trend.
The utility model content:
The purpose of the utility model provides the big change multiple proportions of a kind of day and night high-resolution zoom camera lens; It has high zoom ratios, high resolving power, the confocal characteristics of wide spectrum; Can mate modern high definition mega pixel camera; Variation through lens focus can both realize real-time monitoring to far away, nearly object, and the image quality that is produced is clear.
In order to solve the existing problem of background technology; The utility model is to adopt following technical scheme: it comprises preceding fixation group 1, become doubly organize 2, iris 3, back fixation group 4, compensation group 5, body tube 6, first dead ring 7, preceding lens barrel 8, second dead ring 9, the 3rd dead ring 10, back lens barrel 14, the 4th dead ring 15, first helicla flute 16, become doubly organize guide pin 17, preceding swivel eye 18, first straight-line groove 19, second helicla flute 20, back swivel eye 24, compensation group guide pin 25, second straight-line groove 26, preceding clench nail 27, middle clench nail 28, after clench nail 29, diaphragm swivel eye 30 and the 5th dead ring 34; Fixation group 1 before from the object plane to image planes, being disposed with, become doubly organize 2, iris 3, back fixation group 4 and compensation group 5; Preceding fixation group 1 is fixed on the anterior inboard of body tube 6 through first dead ring 7; Change is doubly organized 2 front ends and is arranged in the preceding lens barrel 8 through second dead ring 9; Preceding lens barrel 8 is arranged in the body tube 6; Inboard, body tube 6 middle part evenly is provided with several first helicla flutes 16; Body tube 6 middle part arranged outside have preceding swivel eye 18; Before swivel eye 18 inboard all be provided with first straight-line groove 19, change is doubly organized guide pin 17 1 ends and is matched through the screw hole of first helicla flute 16 with preceding lens barrel 8 outsides, change is doubly organized guide pin 17 other ends and is embedded in first straight-line groove 19; Back fixation group 4 is fixed on body tube 6 posterior medials through the 3rd dead ring 10; Compensation group 5 is arranged in the lens barrel 14 of back through the 4th dead ring 15, and second helicla flute 20 is arranged on body tube 6 posterior medials, and lens barrel 6 rear outside are provided with back swivel eye 24; Back swivel eye 24 inboards evenly are provided with several second straight-line grooves 26; Be provided with diaphragm swivel eye 30 between back swivel eye 24 and the preceding swivel eye 18, preceding swivel eye 18, diaphragm swivel eye 30 and back swivel eye 24 distribute and spin mutually with the screw hole in body tube 6 outsides through preceding clench nail 27, middle clench nail 28, back clench nail 29, and back swivel eye 24 rear sides are provided with the 5th dead ring 34 through second spring shim 36; Compensation group guide pin 25 1 ends spin through the screw hole of second helicla flute 20 with lens barrel 14 outsides, back mutually, and compensation group guide pin 25 other ends are embedded in second straight-line groove 26.
Be disposed with the first selenodont eyeglass 11, the first planoconvex eyeglass 12 and the second selenodont eyeglass 13 before described in the fixation group 1; Its radius of curvature R
1And R
2, light refractive index N, Abbe coefficient V
dAnd lens thickness D satisfies along the light incident direction successively: first selenodont eyeglass 11:60＜R
1＜80 30＜R
2＜50 1.7＜N＜1.9 20＜V
d＜401＜D＜3; First planoconvex eyeglass 12:30＜R
1＜50 R
2=∞ 1.5＜N＜1.750＜V
d＜70 7＜D＜9; Second selenodont eyeglass 13:30＜R
1＜50 70＜R
2＜901.5＜N＜1.7 50＜V
d＜70 5＜D＜7; And the first selenodont eyeglass 11 and the first planoconvex eyeglass, 12 gummeds are separated with packing ring between the first planoconvex eyeglass 12 and the second selenodont eyeglass 13, and spacing is 0.08-1.02mm.
Described change doubly organize be disposed with in 2 the 3rd selenodont eyeglass 21, the first double concave type eyeglass 22 and April tooth form eyeglass 23, its radius of curvature R
1And R
2, light refractive index N, Abbe coefficient V
dAnd lens thickness D satisfies along the light incident direction successively: the 3rd selenodont eyeglass 21:70＜R
1＜90 5＜R
2＜25 1.5＜N＜1.7 50＜V
d＜701＜D＜3; First double concave type eyeglass 22:-30＜R
1＜-10 20＜R
2＜401.5＜N＜1.7 50＜V
d＜70 1＜D＜3; April tooth form eyeglass 23:10＜R
1＜3060＜R
2＜80 1.7＜N＜1.9 20＜V
d＜40 4＜D＜6; And the 3rd selenodont eyeglass 21 and the first double concave type eyeglass 22, the first double concave type eyeglass 22 and April all are separated with packing ring between the tooth form eyeglass 23, and spacing is respectively: 5.5-6mm and 0.08-1.02mm.
Be disposed with the first biconvex eyeglass 41, the second biconvex eyeglass 42 and the second double concave type eyeglass 43 in the fixation group 4 of described back, its radius of curvature R
1And R
2, light refractive index N, Abbe coefficient V
dAnd lens thickness D satisfies along the light incident direction successively: first biconvex eyeglass 41:110＜R
1＜130-60＜R
2＜-40 1.5＜N＜1.750＜V
d＜70 1＜D＜3; Second biconvex eyeglass 42:10＜R
1＜30-80＜R
2＜-60 1.5＜N＜1.7 50＜V
d＜70 5＜D＜7; Second double concave type eyeglass 43:-40＜R
1＜-20 60＜R
2＜80 1.7＜N＜1.9 20＜V
d＜400.5＜D＜2.5; And all be separated with packing ring between the first biconvex eyeglass 41 and the second biconvex eyeglass 42, the second biconvex eyeglass 42 and the second double concave type eyeglass 43, spacing is respectively: 0.08-1.02mm and 2-2.2mm.
Be disposed with tooth form eyeglass 51 in May, the 3rd biconvex eyeglass 52 and the second planoconvex eyeglass 53 in the described compensation group 5, its radius of curvature R
1And R
2, light refractive index N, Abbe coefficient V
dAnd lens thickness D satisfies along the light incident direction successively: May tooth form eyeglass 51:30＜R
1＜50 10＜R
2＜30 1.6＜N＜1.8 20＜V
d＜404＜D＜6; The 3rd biconvex eyeglass 52:20＜R
1＜40-40＜R
2＜-20 1.5＜N＜1.750＜V
d＜70 1＜D＜3; Second planoconvex eyeglass 53:10＜R
1＜30 30＜R
2＜501.5＜N＜1.7 50＜V
d＜70 5＜D＜7; And all be separated with packing ring between tooth form eyeglass 51 and the 3rd biconvex eyeglass 52, the 3rd biconvex eyeglass 52 and the second planoconvex eyeglass 53 May, and spacing is respectively: 0.4-0.5mm and 0.08-1.02mm.
The utility model is because the link effect of guide pin 17 is doubly organized in three changes, and lens barrel 8 can be realized moving forward and backward along optical axis direction in body tube 6 inside before making; Equally, because the link effect of compensation group guide pin 25 makes back lens barrel 14 also can realize moving forward and backward along optical axis direction in body tube 6 inside; So just realized preceding lens barrel 8 and the variation of relative position between the two of back lens barrel 14, promptly realized becoming doubly organize 2 and compensation group 5 between the variation of relative position, finally make the focal length of optical lens change, realize the optical zoom effect.
The utlity model has high zoom ratios, high resolving power, the confocal characteristics of wide spectrum, can mate modern high definition mega pixel camera, the variation through lens focus can both realize real-time monitoring to far away, nearly object, and the image quality that is produced is clear.
Description of drawings:
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the structural representation of the optical system of the utility model.
Embodiment:
With reference to Fig. 1-2; This embodiment adopts following technical scheme: it comprises preceding fixation group 1, become and doubly to organize 2, iris 3, back fixation group 4, compensation group 5, body tube 6, first dead ring 7, preceding lens barrel 8, second dead ring 9, the 3rd dead ring 10, back lens barrel 14, the 4th dead ring 15, first helicla flute 16, become and doubly organize guide pin 17, preceding swivel eye 18, first straight-line groove 19, second helicla flute 20, back swivel eye 24, compensation group guide pin 25, second straight-line groove 26, preceding clench nail 27, middle clench nail 28, back clench nail 29, diaphragm swivel eye 30 and the 5th dead ring 34; Fixation group 1 before from the object plane to image planes, being disposed with, become doubly organize 2, iris 3, back fixation group 4 and compensation group 5; Preceding fixation group 1 is fixed on the anterior inboard of body tube 6 through first dead ring 7; Change is doubly organized 2 front ends and is arranged in the preceding lens barrel 8 through second dead ring 9; Preceding lens barrel 8 is arranged in the body tube 6; Inboard, body tube 6 middle part evenly is provided with several first helicla flutes 16; Body tube 6 middle part arranged outside have preceding swivel eye 18; Before swivel eye 18 inboard all be provided with first straight-line groove 19, change is doubly organized guide pin 17 1 ends and is matched through the screw hole of first helicla flute 16 with preceding lens barrel 8 outsides, change is doubly organized guide pin 17 other ends and is embedded in first straight-line groove 19; Back fixation group 4 is fixed on body tube 6 posterior medials through the 3rd dead ring 10; Compensation group 5 is arranged in the lens barrel 14 of back through the 4th dead ring 15, and second helicla flute 20 is arranged on body tube 6 posterior medials, and lens barrel 6 rear outside are provided with back swivel eye 24; Back swivel eye 24 inboards evenly are provided with several second straight-line grooves 26; Be provided with diaphragm swivel eye 30 between back swivel eye 24 and the preceding swivel eye 18, preceding swivel eye 18, diaphragm swivel eye 30 and back swivel eye 24 distribute and spin mutually with the screw hole in body tube 6 outsides through preceding clench nail 27, middle clench nail 28, back clench nail 29, and back swivel eye 24 rear sides are provided with the 5th dead ring 34 through second spring shim 36; Compensation group guide pin 25 1 ends spin through the screw hole of second helicla flute 20 with lens barrel 14 outsides, back mutually, and compensation group guide pin 25 other ends are embedded in second straight-line groove 26.
Be disposed with the first selenodont eyeglass 11, the first planoconvex eyeglass 12 and the second selenodont eyeglass 13 before described in the fixation group 1; Its radius of curvature R
1And R
2, light refractive index N, Abbe coefficient V
dAnd lens thickness D satisfies along the light incident direction successively: first selenodont eyeglass 11:60＜R
1＜80 30＜R
2＜50 1.7＜N＜1.9 20＜V
d＜401＜D＜3; First planoconvex eyeglass 12:30＜R
1＜50 R
2=∞ 1.5＜N＜1.750＜V
d＜70 7＜D＜9; Second selenodont eyeglass 13:30＜R
1＜50 70＜R
2＜901.5＜N＜1.7 50＜V
d＜70 5＜D＜7; And the first selenodont eyeglass 11 and the first planoconvex eyeglass, 12 gummeds are separated with packing ring between the first planoconvex eyeglass 12 and the second selenodont eyeglass 13, and spacing is 0.1mm;
Described change doubly organize be disposed with in 2 the 3rd selenodont eyeglass 21, the first double concave type eyeglass 22 and April tooth form eyeglass 23, its radius of curvature R
1And R
2, light refractive index N, Abbe coefficient V
dAnd lens thickness D satisfies along the light incident direction successively: the 3rd selenodont eyeglass 21:70＜R
1＜90 5＜R
2＜25 1.5＜N＜1.7 50＜V
d＜701＜D＜3; First double concave type eyeglass 22:-30＜R
1＜-10 20＜R
2＜401.5＜N＜1.7 50＜V
d＜70 1＜D＜3; April tooth form eyeglass 23:10＜R
1＜3060＜R
2＜80 1.7＜N＜1.9 20＜V
d＜40 4＜D＜6; And the 3rd selenodont eyeglass 21 and the first double concave type eyeglass 22, the first double concave type eyeglass 22 and April all are separated with packing ring between the tooth form eyeglass 23, and spacing is respectively: 5.85mm and 0.1mm.
Be disposed with the first biconvex eyeglass 41, the second biconvex eyeglass 42 and the second double concave type eyeglass 43 in the fixation group 4 of described back, its radius of curvature R
1And R
2, light refractive index N, Abbe coefficient V
dAnd lens thickness D satisfies along the light incident direction successively: first biconvex eyeglass 41:110＜R
1＜130-60＜R
2＜-40 1.5＜N＜1.750＜V
d＜70 1＜D＜3; Second biconvex eyeglass 42:10＜R
1＜30-80＜R
2＜-60 1.5＜N＜1.7 50＜V
d＜70 5＜D＜7; Second double concave type eyeglass 43:-40＜R
1＜-20 60＜R
2＜80 1.7＜N＜1.9 20＜V
d＜400.5＜D＜2.5; And all be separated with packing ring between the first biconvex eyeglass 41 and the second biconvex eyeglass 42, the second biconvex eyeglass 42 and the second double concave type eyeglass 43, spacing is respectively: 0.1mm and 2.13mm.
Be disposed with tooth form eyeglass 51 in May, the 3rd biconvex eyeglass 52 and the second planoconvex eyeglass 53 in the described compensation group 5, its radius of curvature R
1And R
2, light refractive index N, Abbe coefficient V
dAnd lens thickness D satisfies along the light incident direction successively: May tooth form eyeglass 51:30＜R
1＜50 10＜R
2＜30 1.6＜N＜1.8 20＜V
d＜404＜D＜6; The 3rd biconvex eyeglass 52:20＜R
1＜40-40＜R
2＜-20 1.5＜N＜1.750＜V
d＜70 1＜D＜3; Second planoconvex eyeglass 53:10＜R
1＜30 30＜R
2＜501.5＜N＜1.7 50＜V
d＜70 5＜D＜7; And all be separated with packing ring between tooth form eyeglass 51 and the 3rd biconvex eyeglass 52, the 3rd biconvex eyeglass 52 and the second planoconvex eyeglass 53 May, and spacing is respectively: 0.45mm and 0.1mm.
This embodiment is because the link effect of guide pin 17 is doubly organized in three changes, and lens barrel 8 can be realized moving forward and backward along optical axis direction in body tube 6 inside before making; Equally, because the link effect of compensation group guide pin 25 makes back lens barrel 14 also can realize moving forward and backward along optical axis direction in body tube 6 inside; So just realized preceding lens barrel 8 and the variation of relative position between the two of back lens barrel 14, promptly realized becoming doubly organize 2 and compensation group 5 between the variation of relative position, finally make the focal length of optical lens change, realize the optical zoom effect.
This embodiment, is promptly accomplished and is become doubly and this process of focusing to image suitable size that monitoring objective became, image quality clearly under the situation in this camera lens and video camera coupling back; In order to guarantee that focal length is constant, must make accomplish to become doubly with focus on after change doubly organize 2 motionless with the stationkeeping of compensation group 5.Therefore, in this patent, the outside of preceding swivel eye 18 is provided with a screw hole, and preceding clench nail 27 is tightened on the outside of body tube 6 through this screw hole, thus swivel eye 18 before fastening, and it is motionless to guarantee that the position is doubly organized in change; In like manner, the outside of back swivel eye 24 also is provided with a screw hole, and back clench nail 29 is tightened on the outside of body tube 6 through this screw hole, thereby fastens back swivel eye 24, guarantees that compensation group position is motionless.
This embodiment becomes doubly and in the focusing process; For vertical tremor appears in swivel eye 18, back swivel eye 24 and diaphragm swivel eye 30 before preventing; Be that tolerance clearance in twos between the three is excessive, between preceding swivel eye 18 and the diaphragm swivel eye 30, between diaphragm swivel eye 30 and the back swivel eye 24, between back swivel eye 24 and the dead ring 34 respectively device a spring gasket ring is arranged.
This embodiment has high zoom ratios, high resolving power, the confocal characteristics of wide spectrum; Can mate modern high definition mega pixel camera; Variation through lens focus can both realize real-time monitoring to far away, nearly object, and the image quality that is produced is clear.
Claims (5)
1. the big change multiple proportions of day and night high-resolution zoom camera lens; Doubly guide pin (17), preceding swivel eye (18), first straight-line groove (19), second helicla flute (20), back swivel eye (24), compensation group guide pin (25), second straight-line groove (26), preceding clench nail (27), middle clench nail (28), back clench nail (29), diaphragm swivel eye (30) and the 5th dead ring (34) are doubly organized in group (2), an iris (3), back fixation group (4), compensation group (5), body tube (6), first dead ring (7), preceding lens barrel (8), second dead ring (9), the 3rd dead ring (10), back lens barrel (14), the 4th dead ring (15), first helicla flute (16), change to it is characterized in that it comprising preceding fixation group (1), change; From the object plane to image planes, be disposed with preceding fixation group (1), become doubly group (2), iris (3), back fixation group (4) and compensation group (5); Preceding fixation group (1) is fixed on the anterior inboard of body tube (6) through first dead ring (7); Becoming doubly, group (2) front end is arranged in the preceding lens barrel (8) through second dead ring (9); Preceding lens barrel (8) is arranged in the body tube (6); Inboard, body tube (6) middle part evenly is provided with several first helicla flutes (16); Body tube (6) middle part arranged outside has preceding swivel eye (18); Before swivel eye (18) inboard all be provided with first straight-line groove (19); Change is doubly organized guide pin (17) one ends and is matched through the screw hole of first helicla flute (16) with preceding lens barrel (8) outside; Change is doubly organized guide pin (17) other end and is embedded in first straight-line groove (19), and back fixation group (4) is fixed on body tube (6) posterior medial through the 3rd dead ring (10), and compensation group (5) is arranged in the back lens barrel (14) through the 4th dead ring (15); Second helicla flute (20) is arranged on body tube (6) posterior medial; Lens barrel (6) rear outside is provided with back swivel eye (24), and back swivel eye (24) inboard evenly is provided with several second straight-line grooves (26), is provided with diaphragm swivel eye (30) between back swivel eye (24) and the preceding swivel eye (18); Preceding swivel eye (18), diaphragm swivel eye (30) and back swivel eye (24) distribute and spin mutually with the screw hole in body tube (6) outside through preceding clench nail (27), middle clench nail (28), back clench nail (29); Back swivel eye (24) rear side is provided with the 5th dead ring (34) through second spring shim (36), and compensation group guide pin (25) one ends spin through the screw hole of second helicla flute (20) with back lens barrel (14) outside mutually, and compensation group guide pin (25) other end is embedded in second straight-line groove (26).
2. the big change multiple proportions of day and night according to claim 1 high-resolution zoom camera lens is characterized in that being disposed with the first selenodont eyeglass (11), the first planoconvex eyeglass (12) and the second selenodont eyeglass (13) in the described preceding fixation group (1); And the first selenodont eyeglass (11) and the first planoconvex eyeglass (12) gummed are separated with packing ring between the first planoconvex eyeglass (12) and the second selenodont eyeglass (13), and spacing is 0.08-1.02mm.
3. the big change multiple proportions of day and night according to claim 1 high-resolution zoom camera lens; It is characterized in that described change is doubly organized is disposed with the 3rd selenodont eyeglass (21), first double concave type eyeglass (22) and the tooth form eyeglass in April (23) in (2); And all be separated with packing ring between the 3rd selenodont eyeglass (21) and the first double concave type eyeglass (22), the first double concave type eyeglass (22) and the tooth form eyeglass in April (23), spacing is respectively: 5.5-6mm and 0.08-1.02mm.
4. the big change multiple proportions of day and night according to claim 1 high-resolution zoom camera lens; It is characterized in that being disposed with the first biconvex eyeglass (41), the second biconvex eyeglass (42) and the second double concave type eyeglass (43) in the described back fixation group (4); And all be separated with packing ring between the first biconvex eyeglass (41) and the second biconvex eyeglass (42), the second biconvex eyeglass (42) and the second double concave type eyeglass (43), spacing is respectively: 0.08-1.02mm and 2-2.2mm.
5. the big change multiple proportions of day and night according to claim 1 high-resolution zoom camera lens; It is characterized in that being disposed with in the described compensation group (5) tooth form eyeglass in May (51), the 3rd biconvex eyeglass (52) and the second planoconvex eyeglass (53); And all be separated with packing ring between tooth form eyeglass in May (51) and the 3rd biconvex eyeglass (52), the 3rd biconvex eyeglass (52) and the second planoconvex eyeglass (53), spacing is respectively: 0.4-0.5mm and 0.08-1.02mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202803444U CN202159177U (en) | 2011-08-04 | 2011-08-04 | Day and night duel-use large-zoom high-resolution convertible lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202803444U CN202159177U (en) | 2011-08-04 | 2011-08-04 | Day and night duel-use large-zoom high-resolution convertible lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202159177U true CN202159177U (en) | 2012-03-07 |
Family
ID=45766808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202803444U Expired - Fee Related CN202159177U (en) | 2011-08-04 | 2011-08-04 | Day and night duel-use large-zoom high-resolution convertible lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202159177U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914854A (en) * | 2011-08-04 | 2013-02-06 | 苏州莱能士光电科技有限公司 | Day/night high-resolution zoom lens with high zoom ratio |
| CN103487913A (en) * | 2012-06-11 | 2014-01-01 | 苏州莱能士光电科技有限公司 | High-resolution zoom lens having super large imaging surface and used in the day and at night |
| CN104849854A (en) * | 2014-12-19 | 2015-08-19 | 重庆禾洋光电仪器有限公司 | High-definition landscape lens |
| CN109283651A (en) * | 2018-12-12 | 2019-01-29 | 广东奥普特科技股份有限公司 | A kind of high-resolution machine visual lens structure small in size |
| CN111796407A (en) * | 2020-07-09 | 2020-10-20 | 孝感华中精密仪器有限公司 | Multi-groove multi-guide wide-spectrum continuous zoom lens |
| CN112304868A (en) * | 2019-07-24 | 2021-02-02 | 上海科技大学 | Portable photoacoustic imaging device, zooming and beam expanding device and photoacoustic imaging test system |
-
2011
- 2011-08-04 CN CN2011202803444U patent/CN202159177U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914854A (en) * | 2011-08-04 | 2013-02-06 | 苏州莱能士光电科技有限公司 | Day/night high-resolution zoom lens with high zoom ratio |
| CN103487913A (en) * | 2012-06-11 | 2014-01-01 | 苏州莱能士光电科技有限公司 | High-resolution zoom lens having super large imaging surface and used in the day and at night |
| CN104849854A (en) * | 2014-12-19 | 2015-08-19 | 重庆禾洋光电仪器有限公司 | High-definition landscape lens |
| CN109283651A (en) * | 2018-12-12 | 2019-01-29 | 广东奥普特科技股份有限公司 | A kind of high-resolution machine visual lens structure small in size |
| CN112304868A (en) * | 2019-07-24 | 2021-02-02 | 上海科技大学 | Portable photoacoustic imaging device, zooming and beam expanding device and photoacoustic imaging test system |
| CN111796407A (en) * | 2020-07-09 | 2020-10-20 | 孝感华中精密仪器有限公司 | Multi-groove multi-guide wide-spectrum continuous zoom lens |
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