CN101930113B - Mega pixel high-resolution zooming IR (Infrared) day and night dual-purpose camera lens - Google Patents
Mega pixel high-resolution zooming IR (Infrared) day and night dual-purpose camera lens Download PDFInfo
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- CN101930113B CN101930113B CN2010102649738A CN201010264973A CN101930113B CN 101930113 B CN101930113 B CN 101930113B CN 2010102649738 A CN2010102649738 A CN 2010102649738A CN 201010264973 A CN201010264973 A CN 201010264973A CN 101930113 B CN101930113 B CN 101930113B
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Abstract
The invention relates to a mega pixel high-resolution zooming IR (Infrared) day and night dual-purpose lens, which is characterized in that lenses, arranged along the incidence direction of light, is provided with a front fixed lens group, a front moving lens group, a rear fixed lens group and a rear moving lens group, wherein the front fixed lens group is provided with a lens cementing group AB and a convexo concave lens C in sequence, and the lens cementing group AB is formed by a convexo concave lens A and a convexo concave lens B; the front moving lens group is provided with a biconcave lens D and a lens cementing group EF in sequence, and the lens cementing group EF is formed by a biconcave lens E and a convexo concave lens F; the rear fixed lens group is provided with a biconvex lens G, a convex-plane lens H and a biconcave lens I in sequence; and the rear moving lens group is provided with a biconvex lens J, a convexo concave lens K and a convexo concave lens L in sequence. By using the camera lens, the object reflected light received by the lens can be intensified and magnified, the applicable wave band of the lens is enlarged to a night viewing range, and the image quality is improved to obtain a high-definition image with a large image surface.
Description
Technical field
The present invention relates to a kind of mega pixel high-resolution zooming IR (Infrared) day and night dual-purpose camera lens, belong to the monitoring field.
Background technology
For most of supervisory system engineerings, if use tight shot, need change the camera lens of different focal repeatedly, so not only time-consuming but also effort according to different demands.And general zoom lens, the imaging wave band is confined in the visible-range, in the dark then can not imaging or imaging can not recognize.Therefore, are research purposes of the present invention at the problems referred to above.
Summary of the invention
The object of the present invention is to provide a kind of imaging clear, be suitable for effective mega pixel high-resolution zooming IR (Infrared) day and night dual-purpose camera lens.
The invention is characterized in: a kind of mega pixel high-resolution zooming IR (Infrared) day and night dual-purpose camera lens, it is characterized in that: the eyeglass of laying along the light incident direction has, preceding fixing len group, preceding activity lens set, back fixing len group and back activity lens set, described preceding fixing len group is provided with one group of lens glue that is made of convex-concave A lens and convex-concave B lens successively and sets up AB and a slice meniscus C jointly; Described preceding activity lens set is provided with a slice biconcave lens D successively and one group of lens glue that is made of biconcave lens E and meniscus F is set up EF jointly; Described back fixing len group is provided with a slice biconvex lens G, the protruding plano lens H of a slice and a slice biconcave lens I successively; Described back activity lens set is provided with a slice biconvex lens J, a slice meniscus K and a slice meniscus L successively.
Advantage of the present invention: the present invention strengthens amplification with the object reflected light that camera lens receives, and when suitable wave band expands night-viewable scope to camera lens, improves picture element, and the picture element high definition, and image planes are big, especially are fit to traffic monitoring.
Description of drawings
Fig. 1 is an embodiment of the invention structural representation.
Embodiment
With reference to figure 1, a kind of mega pixel high-resolution zooming IR (Infrared) day and night dual-purpose camera lens, the eyeglass of laying along the light incident direction has, preceding fixing len group (1), preceding activity lens set (2), back fixing len group (3) and back activity lens set (4), described preceding fixing len group (1) is provided with one group of lens glue that is made of convex-concave A (1-1) lens and convex-concave B (1-2) lens successively and sets up AB (1-12) and a slice meniscus C (1-3) jointly; Described preceding activity lens set (2) is provided with a slice biconcave lens D (2-1) successively and one group of lens glue that is made of biconcave lens E (2-2) and meniscus F (2-3) is set up EF (2-23) jointly; Described back fixing len group (3) is provided with a slice biconvex lens G (3-1), the protruding plano lens H of a slice (3-2) and a slice biconcave lens I (3-3) successively; Described back activity lens set (4) is provided with a slice biconvex lens J (4-1), a slice meniscus K (4-2) and a slice meniscus L (4-3) successively.
Along the light incident direction, the airspace that lens glue before described in the fixing len group is set up AB (1-12) and meniscus C (1-3) jointly is 0.2mm, the airspace that biconcave lens D (2-1) before described in the activity lens set and lens glue are set up jointly between the EF (2-23) is 1.99mm, biconvex lens G (3-1) in the fixing len group of described back and the airspace between the protruding plano lens H (3-2) are 0.1mm, airspace between described protruding plano lens H (3-2) and the biconcave lens I (3-3) is 0.69mm, biconvex lens J (4-1) in the described back activity lens set and the airspace between the meniscus K (4-2) are 0.1mm, and the airspace between described meniscus K (4-2) and the meniscus L (4-3) is 1.63mm.
The concave surface of above-mentioned meniscus A (1-1) is towards the convex surface of meniscus B (1-2) and compose lens glue and set up AB (1-12) jointly, and the concave surface of described biconcave lens E (2-2) is towards the convex surface of meniscus F (2-3) and compose lens glue and set up EF (2-23) jointly.
Activity lens set (2) is installed in and is arranged in body tube (5) middle part and can be along the body tube inwall in axial sliding on the microscope base A (6) before above-mentioned, described microscope base A (6) is driven by the guide pin A (8) that is installed in the body tube perimembranous helical guide groove A (7), and described guide pin A (8) is driven by the conduit A (10) on the focusing cam A (9) that is set in body tube middle part periphery.
Above-mentioned back activity lens set (4) is installed in that be arranged at also can be along the body tube inwall in axial sliding on the microscope base B (11) body tube (5) the rear end in, described microscope base B (11) is driven by the guide pin B (13) that is installed in the body tube perimembranous helical guide groove B (12), and described guide pin B (13) is driven by the conduit B (15) on the focusing cam B (14) that is set in body tube rear end periphery.
Specific implementation process is as follows: drive guide pin by focusing cam and move along the helicla flute of being located on the preceding group of the main tube wall, group activity lens set moves forward and backward in main tube before making, and reaching the function that change is big or diminish of focusing.Helicla flute on the group wall moves after main along being located at by focusing cam driven guide pin, and group activity lens set in back is moved forward and backward in main, reaches to focus on function clearly.Aperture control can be made manual adjustments or automatic (DC) adjusting pattern.
Camera lens pixel of the present invention can reach 3,000,000, focusing range between 10.0～40.0mm, image planes big (1/2 "); F/1.4,4 Zoom Lens, day and night infrared synchronous correspondence; really be applicable to 24 hours traffic monitorings; and adopt the special optical glass processing, multicoating technology guarantees wide spectrum; height sees through; blur-free imaging, and manual iris is optional with auto iris, drives circle (DC) minimum aperture is implemented to F360 °.
For the perfect requirement of image quality, magnificent image quality requires to have expanded to the infrared ray district, by adopting special optical glass material and using up-to-date lens design technology, rectification for optical aberration has expanded to the Infrared zone from traditional visible region, and makes the focus face skew of whole wavelength region may reach minimum.The wide general focusing of this lens design, apochromatism, day/night, colour/black white image are clear, need not day and night to focus repeatedly, and wide spectral response, parfocalization are applicable to round-the-clock day and night monitoring.
The above only is preferred embodiment of the present invention, and all equalizations of being done according to the present patent application claim change and modify, and all should belong to covering scope of the present invention.
Claims (5)
1. mega pixel high-resolution zooming IR (Infrared) day and night dual-purpose camera lens, it is characterized in that: the eyeglass of laying along the light incident direction has, preceding fixing len group, preceding activity lens set, back fixing len group and back activity lens set, described preceding fixing len group is provided with one group of lens glue that is made of convex-concave A lens and convex-concave B lens successively and sets up AB and a slice meniscus C jointly; Described preceding activity lens set is provided with a slice biconcave lens D successively and one group of lens glue that is made of biconcave lens E and meniscus F is set up EF jointly; Described back fixing len group is provided with a slice biconvex lens G, the protruding plano lens H of a slice and a slice biconcave lens I successively; Described back activity lens set is provided with a slice biconvex lens J, a slice meniscus K and a slice meniscus L successively.
2. mega pixel high-resolution zooming IR (Infrared) day and night dual-purpose camera lens according to claim 1, it is characterized in that: along the light incident direction, the airspace that lens glue before described in the fixing len group is set up AB and meniscus C jointly is 0.2mm, the airspace that biconcave lens D before described in the activity lens set and lens glue are set up jointly between the EF is 1.99mm, biconvex lens G in the fixing len group of described back and the airspace between the protruding plano lens H are 0.1mm, airspace between described protruding plano lens H and the biconcave lens I is 0.69mm, biconvex lens J and the airspace between the meniscus K in the described back activity lens set are 0.1mm, and the airspace between described meniscus K and the meniscus L is 1.63mm.
3. mega pixel high-resolution zooming IR (Infrared) day and night dual-purpose camera lens according to claim 1 and 2, it is characterized in that: the concave surface of described meniscus A is towards the convex surface of meniscus B and compose lens glue and set up AB jointly, and the concave surface of described biconcave lens E is towards the convex surface of meniscus F and compose lens glue and set up EF jointly.
4. mega pixel high-resolution zooming IR (Infrared) day and night dual-purpose camera lens according to claim 3, it is characterized in that: the activity lens set is installed in and is arranged in the body tube middle part and can be along on the body tube inwall microscope base A in axial sliding before described, described microscope base A is driven by the guide pin A that is installed in the body tube perimembranous helical guide groove A, and described guide pin A is driven by the conduit A on the focusing cam A that is set in body tube middle part periphery.
5. mega pixel high-resolution zooming IR (Infrared) day and night dual-purpose camera lens according to claim 1 and 2, it is characterized in that: described back activity lens set is installed in that be arranged at also can be along on the body tube inwall microscope base B in axial sliding body tube the rear end in, described microscope base B is driven by the guide pin B that is installed in the body tube perimembranous helical guide groove B, and described guide pin B is driven by the conduit B on the focusing cam B that is set in body tube rear end periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102649738A CN101930113B (en) | 2010-08-28 | 2010-08-28 | Mega pixel high-resolution zooming IR (Infrared) day and night dual-purpose camera lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102649738A CN101930113B (en) | 2010-08-28 | 2010-08-28 | Mega pixel high-resolution zooming IR (Infrared) day and night dual-purpose camera lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101930113A CN101930113A (en) | 2010-12-29 |
| CN101930113B true CN101930113B (en) | 2011-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102649738A Expired - Fee Related CN101930113B (en) | 2010-08-28 | 2010-08-28 | Mega pixel high-resolution zooming IR (Infrared) day and night dual-purpose camera lens |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103364932B (en) * | 2013-08-02 | 2015-05-27 | 福建福光数码科技有限公司 | Medium-wave infrared refrigerated lens with long focal length and large aperture |
| 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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201107455Y (en) * | 2007-11-19 | 2008-08-27 | 叶明华 | Zoom lens form 6.0mm to 60.0mm |
| CN201116943Y (en) * | 2007-10-26 | 2008-09-17 | 中山联合光电科技有限公司 | Zooming optical system capable of fast zooming |
| CN201773217U (en) * | 2010-08-28 | 2011-03-23 | 福州天健光电有限公司 | Mega-pixel high-resolution zoom IR dual-purpose lens for day and night |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02311811A (en) * | 1989-05-29 | 1990-12-27 | Matsushita Electric Ind Co Ltd | Zoom lens |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201116943Y (en) * | 2007-10-26 | 2008-09-17 | 中山联合光电科技有限公司 | Zooming optical system capable of fast zooming |
| CN201107455Y (en) * | 2007-11-19 | 2008-08-27 | 叶明华 | Zoom lens form 6.0mm to 60.0mm |
| CN201773217U (en) * | 2010-08-28 | 2011-03-23 | 福州天健光电有限公司 | Mega-pixel high-resolution zoom IR dual-purpose lens for day and night |
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| Publication number | Publication date |
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| CN101930113A (en) | 2010-12-29 |
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