CN204287593U - High resolving power manual zoom pick-up lens - Google Patents

High resolving power manual zoom pick-up lens Download PDF

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Publication number
CN204287593U
CN204287593U CN201420800801.1U CN201420800801U CN204287593U CN 204287593 U CN204287593 U CN 204287593U CN 201420800801 U CN201420800801 U CN 201420800801U CN 204287593 U CN204287593 U CN 204287593U
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China
Prior art keywords
lens
airspace
resolving power
biconvex
selenodont
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Active
Application number
CN201420800801.1U
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Chinese (zh)
Inventor
蒋日明
肖维军
黄健欣
王烨
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Fujian Forecam Optics Co Ltd
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Fujian Forecam Optics Co Ltd
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Priority to CN201420800801.1U priority Critical patent/CN204287593U/en
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Abstract

The utility model relates to a kind of high resolving power manual zoom pick-up lens, it is characterized in that: in the optical system of described camera lens along light from left to right incident direction arrange respectively focal power be negative before organize A, iris C that focal power is rear group of positive B and is located between front group of A and rear group of B; Before described, group A is by the negative selenodont lens A-1 set gradually, the glue pellet that biconcave lens A-2 and biconvex lens A-3 forms is formed, high resolving power manual zoom pick-up lens structure is simple, reasonable in design, be conducive to manually adjustable lens, select easily to monitor on-the-spot field angle, by the focus adjustment in certain limit, find one can make customer satisfaction system observation scope.

Description

High resolving power manual zoom pick-up lens
Technical field
The utility model relates to a kind of high resolving power manual zoom pick-up lens.
Background technology
Conventional tight shot only has unique focal length, is very inconvenient for observation when monitoring that on-the-spot ambient conditions is not very understood; Engineering staff needs by the focus adjustment in certain limit in construction debug process, finds one can make customer satisfaction system observation scope, and this point particularly seems in constructing at the scene needs.
Summary of the invention
The purpose of this utility model is to provide a kind of high resolving power manual zoom pick-up lens, and this high resolving power manual zoom pick-up lens structure is simple, reasonable in design, is conducive to manually adjustable lens.
The utility model high resolving power manual zoom pick-up lens, is characterized in that: in the optical system of described camera lens along light from left to right incident direction arrange respectively focal power be negative before organize A, iris C that focal power is rear group of positive B and is located between front group of A and rear group of B; Before described, group A is by the negative selenodont lens A-1 set gradually, the glue pellet that biconcave lens A-2 and biconvex lens A-3 forms is formed, after the first rear gummed group that described rear group of B is made up of the biconvex lens B-1 set gradually, positive selenodont lens B-2, biconvex lens B-3, lenticular lens B-4 and double concave type lens B-5 and lenticular lens B-6 and positive selenodont lens B-7 is forming second, gummed group is formed, and described camera lens front portion is provided with focusing runner.
Further, before above-mentioned, in group A, negative airspace between selenodont lens A-1 and biconcave lens A-2 is: 4.67mm, airspace in described rear group of B between biconvex lens B-1 and positive selenodont Lens B-2 is: 0.20mm, in described rear group of B, positive airspace between selenodont lens B-2 and biconvex lens B-3 is: 0.10mm, airspace in described rear group of B after biconvex lens B-3 and first between gummed group is: 0.10mm, and the airspace in described rear group of B after the first rear gummed group and second between gummed group is: 0.276mm.
Further, above-mentioned lens focus: f '=3.0-10.5mm, relative aperture D/f '=1/1.4, horizontal field of view angle: 28.4 °-100 °, resolution: be better than 3,000,000 pixels, light path overall length ∑≤50.5mm, is suitable for spectral line scope: 400nm ~ 850nm.
Further, the airspace before above-mentioned in group A between lens A-3 and light hurdle C is: the airspace in 1.9 ~ 14.9mm, described smooth hurdle C and rear group between B-1 is: 0.6 ~ 7.55mm.
Further, above-mentioned camera lens machinery comprises focusing runner successively, is provided with the front arrangement of mirrors cylinder of front group of A, is provided with the rear arrangement of mirrors cylinder of rear group of B, be located in front arrangement of mirrors cylinder for microscope base before group A before clamping, rear microscope base for clamping rear group of B is located in rear arrangement of mirrors cylinder, EF spacer ring is provided with between described positive selenodont lens B-2 and biconvex lens B-3, focus between runner and front arrangement of mirrors cylinder and be provided with front cam, focus on runner side and be provided with light hurdle regulating ring and outer cover, described smooth hurdle regulating ring and outer cover are equipped with adjuster bar.
The advantage of the utility model high resolving power manual zoom pick-up lens:
1. the reasonable distribution focal power of front group and rear group in this optical texture.In rear group, adopt two balsaming lens groups, make camera lens reach the short performance index of object lens of large relative aperture, wide-angle, structure length.
2., by the optical glass material of reasonable selection forward and backward two groups ten seven groups, select the optical glass material of high index of refraction, low dispersion as far as possible.By area of computer aided optical design and optimization, correct the various aberrations of optical lens perfectly, make the mtf value of camera lens make the resolution of camera lens high at 200lp/mm., the requirement of 3,000,000 pixel high definition video shootings can be adapted to.
3., by regulating the optical property of this system, camera lens, under the prerequisite ensureing Large visual angle angle, ensure that high-resolution requirement simultaneously.
4. this system is by design optimization, and close-shot is apart from reaching 0.3m.Blur-free imaging can be realized in nearer object distance relative to common zoom lens.
5. when structural design (as Fig. 2), adopt Rational structure, coordinate high-precision mold shaping, both ensured the accurate of the concentricity of camera lens, precision and axial location, make again the compact conformation of camera lens, attractive in appearance as far as possible.Adopt hot melting process fixing len, devise different spacer rings simultaneously, ensure the airspace between eyeglass, thus reach high picture element, the Large visual angle angle of camera lens.
accompanying drawing illustrates:
Fig. 1 is index path of the present utility model;
Fig. 2 is machine drawing of the present utility model;
Wherein 1, focus on runner, 2, front arrangement of mirrors cylinder, 3, front microscope base, 4, negative selenodont lens, 5, biconcave lens A-2,6, biconvex lens, 7, front cam, 8, locking nail, 9, adjuster bar, 10, adjuster bar, 11, outer cover, 12, Connection Block, 13, rear lens barrel, 14, biconvex lens B-1,15, positive selenodont lens B-2,16, biconvex lens B-3,17, lenticular lens B-4,18, double concave type lens B-5,19, lenticular lens B-6,20, rear arrangement of mirrors cylinder, 21, EF spacer ring, 24, manual iris, 25, light hurdle regulating ring, 26, Guang Lan.
embodiment:
The utility model high resolving power manual zoom pick-up lens, in the optical system of described camera lens along light from left to right incident direction arrange respectively focal power be negative before organize A, iris C that focal power is rear group of positive B and is located between front group of A and rear group of B; Before described, group A is by the negative selenodont lens A-1 set gradually, the glue pellet that biconcave lens A-2 and biconvex lens A-3 forms is formed, after the first rear gummed group that described rear group of B is made up of the biconvex lens B-1 set gradually, positive selenodont lens B-2, biconvex lens B-3, lenticular lens B-4 and double concave type lens B-5 and lenticular lens B-6 and positive selenodont lens B-7 is forming second, gummed group is formed, and described camera lens front portion is provided with focusing runner.
Further, before above-mentioned, in group A, negative airspace between selenodont lens A-1 and biconcave lens A-2 is: 4.67mm, airspace in described rear group of B between biconvex lens B-1 and positive selenodont Lens B-2 is: 0.20mm, in described rear group of B, positive airspace between selenodont lens B-2 and biconvex lens B-3 is: 0.10mm, airspace in described rear group of B after biconvex lens B-3 and first between gummed group is: 0.10mm, and the airspace in described rear group of B after the first rear gummed group and second between gummed group is: 0.276mm.
Further, above-mentioned lens focus: f '=3.0-10.5mm, relative aperture D/f '=1/1.4, horizontal field of view angle: 28.4 °-100 °, resolution: be better than 3,000,000 pixels, light path overall length ∑≤50.5mm, is suitable for spectral line scope: 400nm ~ 850nm.
Further, the airspace before above-mentioned in group A between lens A-3 and light hurdle C is: the airspace in 1.9 ~ 14.9mm, described smooth hurdle C and rear group between B-1 is: 0.6 ~ 7.55mm.
Further, above-mentioned camera lens machinery comprises focusing runner successively, is provided with the front arrangement of mirrors cylinder of front group of A, is provided with the rear arrangement of mirrors cylinder of rear group of B, be located in front arrangement of mirrors cylinder for microscope base before group A before clamping, rear microscope base for clamping rear group of B is located in rear arrangement of mirrors cylinder, EF spacer ring is provided with between described positive selenodont lens B-2 and biconvex lens B-3, focus between runner and front arrangement of mirrors cylinder and be provided with front cam, focus on runner side and be provided with light hurdle regulating ring and outer cover, described smooth hurdle regulating ring and outer cover are equipped with adjuster bar.
The advantage of the utility model high resolving power manual zoom pick-up lens:
1. the reasonable distribution focal power of front group and rear group in this optical texture.In rear group, adopt two balsaming lens groups, make camera lens reach the short performance index of object lens of large relative aperture, wide-angle, structure length.
2., by the optical glass material of reasonable selection forward and backward two groups ten seven groups, select the optical glass material of high index of refraction, low dispersion as far as possible.By area of computer aided optical design and optimization, correct the various aberrations of optical lens perfectly, make the mtf value of camera lens make the resolution of camera lens high at 200lp/mm., the requirement of 3,000,000 pixel high definition video shootings can be adapted to.
3., by regulating the optical property of this system, camera lens, under the prerequisite ensureing Large visual angle angle, ensure that high-resolution requirement simultaneously.
4. this system is by design optimization, and close-shot is apart from reaching 0.3m.Blur-free imaging can be realized in nearer object distance relative to common zoom lens.
5. when structural design (as Fig. 2), adopt Rational structure, coordinate high-precision mold shaping, both ensured the accurate of the concentricity of camera lens, precision and axial location, make again the compact conformation of camera lens, attractive in appearance as far as possible.Adopt hot melting process fixing len, devise different spacer rings simultaneously, ensure the airspace between eyeglass, thus reach high picture element, the Large visual angle angle of camera lens.
Invention physical construction as shown in Figure 2, mainly comprises: arrangement of mirrors cylinder 6 and front trim ring 1 before design, group three eyeglasses 4 (A-1 sheet), 5(A-2 sheet before front arrangement of mirrors cylinder 6 is equipped with), 6(A-3 sheet).Before the shaping front microscope base 3 of high-precision mold can effectively ensure, the concentricity of group light path, ensures the airspace between each eyeglass simultaneously.
After design, microscope base 13 places 7 eyeglass 14(B-1 sheets of rear group), 15(B-2 sheet), 16(B-3 sheet), 17(B-4, B-5 sheet), 18(B-6 sheet), 19(B-7 sheet).In order to ensure the airspace between each eyeglass, devise EF spacer ring 21 therebetween, the GH spacer ring of mould straight forming; Hot melting process is adopted to ensure rear arrangement of mirrors sheet Assembly stability.
For realizing the function of manual iris, utilizing damascene structures to design, adopting integrated hand aperture 24, significantly can optimize mounting process, while production efficiency is provided, strengthen structural stability.
Manual iris driving lever blocks regulating ring 25 in light and is connected, and rotates regulating ring, drives manual iris driving lever to move, realize aperture size and regulate, be equipped with adjuster bar 9 simultaneously, for fixed aperture, keep aperture aperture.
Light hurdle regulating ring 25 does garland process, has made it increase friction force between hand and part when manual operation, also improve the aesthetic property of camera lens outward appearance simultaneously.
For realizing the function of manual focusing, devise and focus on runner 1, snap-fit engagement is passed through with front cam 7, thus drive front cam 7 to rotate, by under the CAM groove of front cam 7 and the effect of the interior straight guide groove of front arrangement of mirrors cylinder 2, before making, group rectilinear motion, realizes focusing function, be equipped with locking nail 8, for fixed-focus position simultaneously.
By adjuster bar 10, through cover structure, after driving, cam realizes anamorphosis function, outer cover 11 identifies zoom direction (F N), is convenient to customer recognition.
Finally, use shell fragment to carry out cooperation transition between Connection Block 12 and outer cover 11, outer cover 23 increases block spacing, thus realize the turning function after camera lens installation, holding structure fitment stability simultaneously.
The economy considering lens construction is very strong, as long as after removing outer cover, focusing runner, Connection Block, camera lens still can as Φ 14 trigger interface camera lens, and the highly versatile on producing, production efficiency is higher.
Consider the aesthetic property of camera lens, focusing runner is designed with annular knurl, strengthens structural population equilibrium.
Finally, in this structural design, if accurate, the steady and good hand touch of the action such as the concentricity of each constituent element of most important guarantee system and focusing, this some all successfully perfect realization in the design.
The foregoing is only preferred embodiment of the present utility model, all equalizations done according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.

Claims (5)

1. a high resolving power manual zoom pick-up lens, is characterized in that: in the optical system of described camera lens along light from left to right incident direction arrange respectively focal power be negative before organize A, iris C that focal power is rear group of positive B and is located between front group of A and rear group of B; Before described, group A is by the negative selenodont lens A-1 set gradually, the glue pellet that biconcave lens A-2 and biconvex lens A-3 forms is formed, after the first rear gummed group that described rear group of B is made up of the biconvex lens B-1 set gradually, positive selenodont lens B-2, biconvex lens B-3, lenticular lens B-4 and double concave type lens B-5 and lenticular lens B-6 and positive selenodont lens B-7 is forming second, gummed group is formed, and described camera lens front portion is provided with focusing runner.
2. according to the high resolving power manual zoom pick-up lens described in claim 1, it is characterized in that: before described, in group A, negative airspace between selenodont lens A-1 and biconcave lens A-2 is: 4.67mm, airspace in described rear group of B between biconvex lens B-1 and positive selenodont Lens B-2 is: 0.20mm, in described rear group of B, positive airspace between selenodont lens B-2 and biconvex lens B-3 is: 0.10mm, airspace in described rear group of B after biconvex lens B-3 and first between gummed group is: 0.10mm, airspace in described rear group of B after the first rear gummed group and second between gummed group is: 0.276mm.
3. according to the high resolving power manual zoom pick-up lens described in claim 1, it is characterized in that: described lens focus: f '=3.0-10.5mm, relative aperture D/f '=1/1.4, horizontal field of view angle: 28.4 °-100 °, resolution: be better than 3,000,000 pixels, light path overall length ∑≤50.5mm, is suitable for spectral line scope: 400nm ~ 850nm.
4. according to the high resolving power manual zoom pick-up lens described in claim 1, it is characterized in that: before described, in group A, airspace between lens A-3 and light hurdle C is: the airspace in 1.9 ~ 14.9mm, described smooth hurdle C and rear group between B-1 is: 0.6 ~ 7.55mm.
5. according to the high resolving power manual zoom pick-up lens described in claim 1, it is characterized in that: described camera lens machinery comprises focusing runner successively, the front arrangement of mirrors cylinder of group A before being provided with, the rear arrangement of mirrors cylinder of rear group of B is installed, be located in front arrangement of mirrors cylinder for microscope base before group A before clamping, rear microscope base for clamping rear group of B is located in rear arrangement of mirrors cylinder, EF spacer ring is provided with between described positive selenodont lens B-2 and biconvex lens B-3, focus between runner and front arrangement of mirrors cylinder and be provided with front cam, focus on runner side and be provided with light hurdle regulating ring and outer cover, described smooth hurdle regulating ring and outer cover are equipped with adjuster bar.
CN201420800801.1U 2014-12-18 2014-12-18 High resolving power manual zoom pick-up lens Active CN204287593U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104459963A (en) * 2014-12-18 2015-03-25 福建福光数码科技有限公司 High-resolution manual zoom camera lens and control method thereof
CN105242378A (en) * 2015-11-05 2016-01-13 福建福光股份有限公司 High-transmittance and low-distortion aspheric zoom lens
CN106125275A (en) * 2016-08-22 2016-11-16 福建福光天瞳光学有限公司 Double Manual adjustable are without the infrared tight shot of transconversion into heat and method of work

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104459963A (en) * 2014-12-18 2015-03-25 福建福光数码科技有限公司 High-resolution manual zoom camera lens and control method thereof
CN105242378A (en) * 2015-11-05 2016-01-13 福建福光股份有限公司 High-transmittance and low-distortion aspheric zoom lens
CN106125275A (en) * 2016-08-22 2016-11-16 福建福光天瞳光学有限公司 Double Manual adjustable are without the infrared tight shot of transconversion into heat and method of work

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GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: FUJIAN FORECAM CO., LTD.

Free format text: FORMER NAME: FUJIAN FORECAM DIGITAL TECHNOLOGY CO., LTD.

CP01 Change in the name or title of a patent holder

Address after: 158 No. 350015 Fujian province Fuzhou Mawei District Jiangbin East Avenue

Patentee after: FUJIAN FORECAM CO., LTD.

Address before: 158 No. 350015 Fujian province Fuzhou Mawei District Jiangbin East Avenue

Patentee before: Fujian Forecam Optics Co., Ltd.