CN102914854A - Day/night high-resolution zoom lens with high zoom ratio - Google Patents
Day/night high-resolution zoom lens with high zoom ratio Download PDFInfo
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- CN102914854A CN102914854A CN2011102212928A CN201110221292A CN102914854A CN 102914854 A CN102914854 A CN 102914854A CN 2011102212928 A CN2011102212928 A CN 2011102212928A CN 201110221292 A CN201110221292 A CN 201110221292A CN 102914854 A CN102914854 A CN 102914854A
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Abstract
The invention relates to a zoom lens, in particular to a day/night high-resolution zoom lens with high zoom ratio. The day/night high-resolution zoom lens with high zoom ratio is provided with a front fixed unit (1), a zoom unit (2), a variable diaphragm (3), a rear fixed unit (4) and a compensation unit (5) sequentially from an object surface to an image surface. The front fixed unit (1) is fixed to the front inner side of a main lens barrel (6) through a first fastening ring (7). The front end of the zoom unit (2) is disposed in the front lens barrel (8) through a second fastening ring (9). The front lens barrel (8) is disposed in the main lens barrel (6). A plurality of spiral grooves (16) are arranged on the middle inner side of the main lens barrel (6). Front rotating rings (18) are disposed on the middle outer side of the main lens barrel (6). The inner side of each front rotating ring (18) is provided with a first linear groove (19). One end of a zoom unit guide pin (17) is fitted to an outer screw hole of the front lens barrel (8) through the first spiral grooves (16). The day/night high-resolution zoom lens with high zoom ratio has the advantages of high zoom ratio, high resolution and wide spectral confocus.
Description
Technical field:
The present invention relates to a kind of zoom lens, relate in particular to the large zoom ratio high-resolution zoom of a kind of day and night camera lens.
Background technology:
In recent years, along with day by day complicated to the pay attention to day by day of social public security and social safety problem of the strengthening gradually of people's security protection consciousness, country, 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 quality and the readability of the imaging picture that the optical lens that high-definition camera mates 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 to mate must satisfy certain zoom ratio; Also have to be exactly want to realize the round-the-clock Real Time Monitoring at night on daytime, so the optical lens of selecting also must satisfy visible light and infrared wide spectrum is confocal.Therefore, large zoom ratio, wide spectrum is confocal, high definition also becomes optical lens Main Trends of The Development.
Summary of the invention:
The purpose of this invention is to provide the large zoom ratio high-resolution zoom of a kind of day and night 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 by lens focus can both realize Real Time Monitoring to far away, nearly object, and the image quality that produces is clear.
In order to solve the existing problem of background technology, the present invention is by the following technical solutions: it comprises front fixedly group 1, zoom group 2, iris 3, rear fixing group 4, compensation group 5, body tube 6, the first dead ring 7, front lens barrel 8, the second dead ring 9, the 3rd dead ring 10, rear lens barrel 14, the 4th dead ring 15, the first helicla flute 16, zoom group guide pin 17, front swivel eye 18, the first straight-line groove 19, the second helicla flute 20, rear swivel eye 24, compensation group guide pin 25, the second straight-line groove 26, front clench nail 27, middle clench nail 28, rear clench nail 29, diaphragm swivel eye 30 and the 5th dead ring 34, from the object plane to image planes, be disposed with front fixedly group 1, zoom group 2, iris 3, rear fixing group 4 and compensation group 5, front fixing group 1 is fixed on the anterior inboard of body tube 6 by the first dead ring 7, zoom group 2 front ends are arranged in the front lens barrel 8 by the second dead ring 9, front lens barrel 8 is arranged in the body tube 6, inboard, body tube 6 middle part evenly is provided with several the first helicla flutes 16, body tube 6 middle part arranged outside have front swivel eye 18, front swivel eye 18 inboard all be provided with the first straight-line groove 19, zoom group guide pin 17 1 ends match by the screw hole of the first helicla flute 16 with front lens barrel 8 outsides, zoom group guide pin 17 other ends are embedded in the first straight-line groove 19, rear fixing group 4 is fixed on body tube 6 posterior medials by the 3rd dead ring 10, compensation group 5 is arranged in the rear lens barrel 14 by the 4th dead ring 15, the second helicla flute 20 is arranged on body tube 6 posterior medials, lens barrel 6 rear outside are provided with rear swivel eye 24, rear swivel eye 24 inboards evenly are provided with several the second straight-line grooves 26, be provided with diaphragm swivel eye 30 between rear swivel eye 24 and the front swivel eye 18, front swivel eye 18, diaphragm swivel eye 30 and rear swivel eye 24 distribute by front clench nail 27, middle clench nail 28, rear clench nail 29 spins mutually with the screw hole in body tube 6 outsides, rear swivel eye 24 rear sides are provided with the 5th dead ring 34 by the second spring shim 36, compensation group guide pin 25 1 ends spin mutually by the screw hole of the second helicla flute 20 with rear lens barrel 14 outsides, and compensation group guide pin 25 other ends are embedded in the second straight-line groove 26.
Be disposed with the first selenodont eyeglass 11, the first planoconvex eyeglass 12 and the second selenodont eyeglass 13 in the described front fixedly group 1; Its radius of curvature R
1And R
2, light refractive index N, Abbe coefficient V
dAnd lens thickness D satisfies successively along the light incident direction: 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.
Be disposed with in the described zoom group 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 successively along the light incident direction: 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 described rear fixedly group 4, its radius of curvature R
1And R
2, light refractive index N, Abbe coefficient V
dAnd lens thickness D satisfies successively along the light incident direction: 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 successively along the light incident direction: 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 present invention is owing to the link effect of three zoom group guide pins 17, so that front lens barrel 8 can be realized moving forward and backward along optical axis direction in body tube 6 inside; Equally, because the link effect of compensation group guide pin 25, so that rear lens barrel 14 also can be realized moving forward and backward along optical axis direction in body tube 6 inside; So just realize the variation of relative position between the two of front lens barrel 8 and rear lens barrel 14, namely realized the variation of the relative position between zoom group 2 and the compensation group 5, final so that the focal length of optical lens changes, realize the optical zoom effect.
The image suitable size that the present invention becomes monitoring objective behind this camera lens and Camera Match, image quality in the situation, are namely finished zoom and this process of focusing clearly; In order to guarantee that focal length is constant, must so that finish zoom and focus on after zoom group 2 and the position of compensation group 5 maintain static.Therefore, in this patent, the outside of front swivel eye 18 is provided with a screw hole, and front clench nail 27 is tightened on the outside of body tube 6 by this screw hole, thereby fastens front swivel eye 18, guarantees that zoom group position is motionless; In like manner, the outside of rear swivel eye 24 also is provided with a screw hole, and rear clench nail 29 is tightened on the outside of body tube 6 by this screw hole, thereby fastens rear swivel eye 24, guarantees that compensation group position is motionless.
In zoom of the present invention and the during focusing, in order to prevent that vertical tremor from appearring in front swivel eye 18, rear swivel eye 24 and diaphragm swivel eye 30, be that in twos tolerance clearance between the three is excessive, between front swivel eye 18 and the diaphragm swivel eye 30, between diaphragm swivel eye 30 and the rear swivel eye 24, between rear swivel eye 24 and the dead ring 34 respectively device a spring gasket ring is arranged.
The present invention has high zoom ratios, high resolving power, the confocal characteristics of wide spectrum, can mate modern high definition mega pixel camera, and the variation by lens focus can both realize Real Time Monitoring to far away, nearly object, and the image quality that produces is clear.
Description of drawings:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of optical system of the present invention.
Embodiment:
With reference to Fig. 1-2, this embodiment is by the following technical solutions: it comprises front fixedly group 1, zoom group 2, iris 3, rear fixing group 4, compensation group 5, body tube 6, the first dead ring 7, front lens barrel 8, the second dead ring 9, the 3rd dead ring 10, rear lens barrel 14, the 4th dead ring 15, the first helicla flute 16, zoom group guide pin 17, front swivel eye 18, the first straight-line groove 19, the second helicla flute 20, rear swivel eye 24, compensation group guide pin 25, the second straight-line groove 26, front clench nail 27, middle clench nail 28, rear clench nail 29, diaphragm swivel eye 30 and the 5th dead ring 34, from the object plane to image planes, be disposed with front fixedly group 1, zoom group 2, iris 3, rear fixing group 4 and compensation group 5, front fixing group 1 is fixed on the anterior inboard of body tube 6 by the first dead ring 7, zoom group 2 front ends are arranged in the front lens barrel 8 by the second dead ring 9, front lens barrel 8 is arranged in the body tube 6, inboard, body tube 6 middle part evenly is provided with several the first helicla flutes 16, body tube 6 middle part arranged outside have front swivel eye 18, front swivel eye 18 inboard all be provided with the first straight-line groove 19, zoom group guide pin 17 1 ends match by the screw hole of the first helicla flute 16 with front lens barrel 8 outsides, zoom group guide pin 17 other ends are embedded in the first straight-line groove 19, rear fixing group 4 is fixed on body tube 6 posterior medials by the 3rd dead ring 10, compensation group 5 is arranged in the rear lens barrel 14 by the 4th dead ring 15, the second helicla flute 20 is arranged on body tube 6 posterior medials, lens barrel 6 rear outside are provided with rear swivel eye 24, rear swivel eye 24 inboards evenly are provided with several the second straight-line grooves 26, be provided with diaphragm swivel eye 30 between rear swivel eye 24 and the front swivel eye 18, front swivel eye 18, diaphragm swivel eye 30 and rear swivel eye 24 distribute by front clench nail 27, middle clench nail 28, rear clench nail 29 spins mutually with the screw hole in body tube 6 outsides, rear swivel eye 24 rear sides are provided with the 5th dead ring 34 by the second spring shim 36, compensation group guide pin 25 1 ends spin mutually by the screw hole of the second helicla flute 20 with rear lens barrel 14 outsides, and compensation group guide pin 25 other ends are embedded in the second straight-line groove 26.
Be disposed with the first selenodont eyeglass 11, the first planoconvex eyeglass 12 and the second selenodont eyeglass 13 in the described front fixedly group 1; Its radius of curvature R
1And R
2, light refractive index N, Abbe coefficient V
dAnd lens thickness D satisfies successively along the light incident direction: 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;
Be disposed with in the described zoom group 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 successively along the light incident direction: 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 described rear fixedly group 4, its radius of curvature R
1And R
2, light refractive index N, Abbe coefficient V
dAnd lens thickness D satisfies successively along the light incident direction: 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 successively along the light incident direction: 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 owing to the link effect of three zoom group guide pins 17, so that front lens barrel 8 can be realized moving forward and backward along optical axis direction in body tube 6 inside; Equally, because the link effect of compensation group guide pin 25, so that rear lens barrel 14 also can be realized moving forward and backward along optical axis direction in body tube 6 inside; So just realize the variation of relative position between the two of front lens barrel 8 and rear lens barrel 14, namely realized the variation of the relative position between zoom group 2 and the compensation group 5, final so that the focal length of optical lens changes, realize the optical zoom effect.
The image suitable size that this embodiment becomes monitoring objective behind this camera lens and Camera Match, image quality in the situation, are namely finished zoom and this process of focusing clearly; In order to guarantee that focal length is constant, must so that finish zoom and focus on after zoom group 2 and the position of compensation group 5 maintain static.Therefore, in this patent, the outside of front swivel eye 18 is provided with a screw hole, and front clench nail 27 is tightened on the outside of body tube 6 by this screw hole, thereby fastens front swivel eye 18, guarantees that zoom group position is motionless; In like manner, the outside of rear swivel eye 24 also is provided with a screw hole, and rear clench nail 29 is tightened on the outside of body tube 6 by this screw hole, thereby fastens rear swivel eye 24, guarantees that compensation group position is motionless.
In this embodiment zoom and the during focusing, in order to prevent that vertical tremor from appearring in front swivel eye 18, rear swivel eye 24 and diaphragm swivel eye 30, be that in twos tolerance clearance between the three is excessive, between front swivel eye 18 and the diaphragm swivel eye 30, between diaphragm swivel eye 30 and the rear swivel eye 24, between rear 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 by lens focus can both realize Real Time Monitoring to far away, nearly object, and the image quality that produces is clear.
Claims (5)
1. the large zoom ratio high-resolution zoom of day and night camera lens, it is characterized in that it comprises front fixedly group (1), zoom group (2), iris (3), rear fixing group (4), compensation group (5), body tube (6), the first dead ring (7), front lens barrel (8), the second dead ring (9), the 3rd dead ring (10), rear lens barrel (14), the 4th dead ring (15), the first helicla flute (16), zoom group guide pin (17), front swivel eye (18), the first straight-line groove (19), the second helicla flute (20), rear swivel eye (24), compensation group guide pin (25), the second straight-line groove (26), front clench nail (27), middle clench nail (28), rear clench nail (29), diaphragm swivel eye (30) and the 5th dead ring (34), from the object plane to image planes, be disposed with front fixedly group (1), zoom group (2), iris (3), rear fixing group (4) and compensation group (5), front fixing group (1) is fixed on the anterior inboard of body tube (6) by the first dead ring (7), zoom group (2) front end is arranged in the front lens barrel (8) by the second dead ring (9), front lens barrel (8) is arranged in the body tube (6), inboard, body tube (6) middle part evenly is provided with several the first helicla flutes (16), body tube (6) middle part arranged outside has front swivel eye (18), front swivel eye (18) inboard all be provided with the first straight-line groove (19), zoom group guide pin (17) one ends match by the screw hole of the first helicla flute (16) with front lens barrel (8) outside, zoom group guide pin (17) other end is embedded in the first straight-line groove (19), rear fixing group (4) is fixed on body tube (6) posterior medial by the 3rd dead ring (10), compensation group (5) is arranged in the rear lens barrel (14) by the 4th dead ring (15), the second helicla flute (20) is arranged on body tube (6) posterior medial, lens barrel (6) rear outside is provided with rear swivel eye (24), rear swivel eye (24) inboard evenly is provided with several the second straight-line grooves (26), be provided with diaphragm swivel eye (30) between rear swivel eye (24) and the front swivel eye (18), front swivel eye (18), diaphragm swivel eye (30) and rear swivel eye (24) distribute by front clench nail (27), middle clench nail (28), rear clench nail (29) spins mutually with the screw hole in body tube (6) outside, rear swivel eye (24) rear side is provided with the 5th dead ring (34) by the second spring shim (36), compensation group guide pin (25) one ends spin mutually by the screw hole of the second helicla flute (20) with rear lens barrel (14) outside, and compensation group guide pin (25) other end is embedded in the second straight-line groove (26).
2. the large zoom ratio high-resolution zoom of day and night according to claim 1 camera lens is characterized in that being disposed with in the described front fixedly group (1) the first selenodont eyeglass (11), the first planoconvex eyeglass (12) and the second selenodont eyeglass (13); Its radius of curvature R
1And R
2, light refractive index N, Abbe coefficient V
dAnd lens thickness D satisfies successively along the light incident direction: first selenodont eyeglass (11): 60＜R
1＜80 30＜R
2＜50 1.7＜N＜1.920＜V
d＜40 1＜D＜3; First planoconvex eyeglass (12): 30＜R
1＜50 R
2=∞ 1.5＜N＜1.7 50＜V
d＜70 7＜D＜9; Second selenodont eyeglass (13): 30＜R
1＜5070＜R
2＜90 1.5＜N＜1.7 50＜V
d＜70 5＜D＜7; 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 large zoom ratio high-resolution zoom of day and night according to claim 1 camera lens, it is characterized in that being disposed with in the described zoom group (2) the 3rd selenodont eyeglass (21), the first double concave type eyeglass (22) and tooth form eyeglass in April (23), its radius of curvature R
1And R
2, light refractive index N, Abbe coefficient V
dAnd lens thickness D satisfies successively along the light incident direction: the 3rd selenodont eyeglass (21): 70＜R
1＜90 5＜R
2＜25 1.5＜N＜1.750＜V
d＜70 1＜D＜3; First double concave type eyeglass (22) :-30＜R
1＜-1020＜R
2＜40 1.5＜N＜1.7 50＜V
d＜70 1＜D＜3; Tooth form eyeglass in April (23): 10＜R
1＜30 60＜R
2＜80 1.7＜N＜1.9 20＜V
d＜404＜D＜6; 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 large zoom ratio high-resolution zoom of day and night according to claim 1 camera lens, it is characterized in that being disposed with in the described rear fixedly group (4) the first biconvex eyeglass (41), the second biconvex eyeglass (42) and the second double concave type eyeglass (43), its radius of curvature R
1And R
2, light refractive index N, Abbe coefficient V
dAnd lens thickness D satisfies successively along the light incident direction: 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＜-601.5＜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＜40 0.5＜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.
5. the large zoom ratio high-resolution zoom of day and night according to claim 1 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), its radius of curvature R
1And R
2, light refractive index N, Abbe coefficient V
dAnd lens thickness D satisfies successively along the light incident direction: tooth form eyeglass in May (51): 30＜R
1＜50 10＜R
2＜30 1.6＜N＜1.820＜V
d＜40 4＜D＜6; The 3rd biconvex eyeglass (52): 20＜R
1＜40-40＜R
2＜-20 1.5＜N＜1.7 50＜V
d＜70 1＜D＜3; Second planoconvex eyeglass (53): 10＜R
1＜30 30＜R
2＜50 1.5＜N＜1.7 50＜V
d＜705＜D＜7; 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 0.08-102mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102212928A CN102914854A (en) | 2011-08-04 | 2011-08-04 | Day/night high-resolution zoom lens with high zoom ratio |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102212928A CN102914854A (en) | 2011-08-04 | 2011-08-04 | Day/night high-resolution zoom lens with high zoom ratio |
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| Publication Number | Publication Date |
|---|---|
| CN102914854A true CN102914854A (en) | 2013-02-06 |
Family
ID=47613290
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102212928A Pending CN102914854A (en) | 2011-08-04 | 2011-08-04 | Day/night high-resolution zoom lens with high zoom ratio |
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| CN (1) | CN102914854A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103323935A (en) * | 2013-06-26 | 2013-09-25 | 东莞市宇瞳光学科技有限公司 | Large-zoom camera lens capable of being used in the day and at night |
| CN104007533A (en) * | 2014-05-21 | 2014-08-27 | 苏州莱能士光电科技有限公司 | Large-image-plane, high-resolution and low-distortion optical lens |
| CN106154481A (en) * | 2016-08-26 | 2016-11-23 | 福建福光股份有限公司 | A kind of mould camera lens and assembly technology thereof |
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| CN1715984A (en) * | 2004-06-14 | 2006-01-04 | 索尼株式会社 | Camera system and zoom lens |
| CN1885082A (en) * | 2005-06-20 | 2006-12-27 | 亚洲光学股份有限公司 | Zooming lens |
| CN101276045A (en) * | 2007-03-28 | 2008-10-01 | 富士能株式会社 | Variable-power optical system and imaging device |
| CN202159177U (en) * | 2011-08-04 | 2012-03-07 | 苏州莱能士光电科技有限公司 | Day and night duel-use large-zoom high-resolution convertible lens |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1715984A (en) * | 2004-06-14 | 2006-01-04 | 索尼株式会社 | Camera system and zoom lens |
| CN1885082A (en) * | 2005-06-20 | 2006-12-27 | 亚洲光学股份有限公司 | Zooming lens |
| CN101276045A (en) * | 2007-03-28 | 2008-10-01 | 富士能株式会社 | Variable-power optical system and imaging device |
| CN202159177U (en) * | 2011-08-04 | 2012-03-07 | 苏州莱能士光电科技有限公司 | Day and night duel-use large-zoom high-resolution convertible lens |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103323935A (en) * | 2013-06-26 | 2013-09-25 | 东莞市宇瞳光学科技有限公司 | Large-zoom camera lens capable of being used in the day and at night |
| CN104007533A (en) * | 2014-05-21 | 2014-08-27 | 苏州莱能士光电科技有限公司 | Large-image-plane, high-resolution and low-distortion optical lens |
| CN106154481A (en) * | 2016-08-26 | 2016-11-23 | 福建福光股份有限公司 | A kind of mould camera lens and assembly technology thereof |
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Application publication date: 20130206 |