CN105425372B - The economic zooming camera lens of high resolution day and night and its application method - Google Patents
The economic zooming camera lens of high resolution day and night and its application method Download PDFInfo
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- CN105425372B CN105425372B CN201510982168.1A CN201510982168A CN105425372B CN 105425372 B CN105425372 B CN 105425372B CN 201510982168 A CN201510982168 A CN 201510982168A CN 105425372 B CN105425372 B CN 105425372B
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000003287 optical effect Effects 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims abstract description 4
- 238000004026 adhesive bonding Methods 0.000 claims description 23
- 230000000694 effects Effects 0.000 claims description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 238000009738 saturating Methods 0.000 claims 1
- 238000003384 imaging method Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 6
- 230000013011 mating Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
- Microscoopes, Condenser (AREA)
Abstract
The present invention relates to a kind of economic zooming camera lens of high resolution day and night and its application method, the mechanical structure of camera lens includes preceding group of microscope base for being used to install preceding group of A, the rear group of microscope base for organizing B after installation, preceding group of microscope base is movably installed in preceding group of lens barrel, preceding group of lens barrel outer sheath is provided with the movable front cam of group microscope base before driving, group microscope base is movably installed in rear group of lens barrel afterwards, group lens barrel outer sheath is provided with the movable rear cam of group microscope base after driving after described, double optical-filter switchers are provided between preceding group of lens barrel and rear group lens barrel, the preceding locking nail for driving front cam to rotate is provided with front cam, the rear locking nail of cam rotation after driving is provided with cam afterwards, the optical system of the camera lens is sequentially provided with that focal power is negative preceding group of A and focal power is rear group of positive B along light incident direction, light bar C is provided between preceding group of A and rear group B, optical index of the present invention is high, optics target surface is big, high resolution, can be achieved 0.3m close-shots away from blur-free imaging.
Description
Technical field
The present invention relates to a kind of economic zooming camera lens of high resolution day and night and its application method.
Background technology
The fast development of technology, people's awareness of safety are gradually stepped up, and promote the continuous progress in security protection market.Now
As advanced technology of video compressing encoding is constantly ripe, IP-based network transmission is developed rapidly and Digital Zoom technology
Application, in the market has been proposed a series of 3,000,000, high-definition camera of five mega pixels.But in network transmission and number
During zoom, the definition of video（That is resolution ratio）Have a certain degree of decline, but at the same time people to image solution
The requirement of analysis degree but more and more higher, the therefore just resolution ratio to camera lens foremost has higher requirement。
The tight shot of early stage is simple in construction, performance indications are low, can only be with 20~300,000 pixels in the definition of image
SD CCD or cmos camera adaptation, shooting effect is general, and picture value is little, can only adapt to the need of monitoring field " seeing "
Will.Such resolution ratio much can not meet the requirement of present high-definition camera.
Critical component consistent with the target that CCTV camera is pursued, being gathered as monitoring image, manufacturer is in lifting mirror
The new technology also developed while head quality, such as non-birth for seeking face eyeglass, the popularization of infrared lens, mega pixel correspondence camera lens
Rise etc., its target only one of which：Improving image definition, improves image quality.Better image quality, higher is clear
Degree, is not only the keyword of each camera lens producer requirement technology in recent years, even more camera lens product is eternal pursues a goal.
The content of the invention
It is contemplated that adapting to above-mentioned development trend, a kind of optical index height, optics target are provided for video camera system
Face is big, and high resolution, can be with 16 in the high definition camera lens of five mega pixels：" video camera of fine definition is supporting to be made 9 standards 1/3
The economic zooming camera lens of high resolution day and night and its application method.
The technical scheme is that, a kind of economic zooming camera lens of high resolution day and night, the machine of the camera lens
Tool structure includes preceding group of microscope base, the rear group of microscope base for organizing B after installation for being used to install preceding group of A, the preceding group microscope base activity peace
Loaded in preceding group of lens barrel, it is described before group lens barrel outer sheath provided with the movable front cam of group microscope base before driving, it is described after group mirror
Seat is movably installed in rear group of lens barrel, and the rear group lens barrel outer sheath is provided with the rear cam that group microscope base is moved forward and backward after driving, institute
State to be provided between preceding group of lens barrel and rear group lens barrel in double optical-filter switchers, the front cam and be provided with drive front cam rotation
Preceding locking nail, the rear locking nail of cam rotation after driving is provided with the rear cam.
Further, the optical system of the camera lens along light incident direction be sequentially provided with focal power for preceding group of negative A and
Focal power is rear group of positive B, and light bar C, the preceding group A are provided between preceding group of A and rear group B and is sequentially provided with negative selenodont lens
A-1, biconcave lens A-2 and negative selenodont lens A-3, the rear group B are sequentially provided with by lenticular lens B-1 and negative selenodont
First gluing unit of lens B-2 contiguity, by lenticular lens B-3 and double concave type lens B-4 touch the and gluing unit and by double
3rd gluing unit of convex type lens B-5 and negative selenodont lens B-6 contiguity.
Further, the airspace between the negative selenodont lens A-1 and biconcave lens A-2 is 3.86mm, double
Airspace between concave lens A-2 and negative selenodont lens A-3 is 1.25mm, between the first gluing unit and the second gluing unit
Airspace be 0.10mm, airspace between the second gluing unit and the 3rd gluing unit is 0.40mm.
Further, the preceding locking nail, be provided with annular knurl on rear locking nail.
Further, it is identified with being identified with zoom direction on focus direction, the rear locking nail on the preceding locking nail.
Further, it is provided with spacer ring between biconcave lens A-2 and negative selenodont lens A-3.
A kind of application method of the economic zooming camera lens of high resolution day and night, comprises the following steps：
（1）Zoom：Cam rotates after locking nail after rotation, drive, passes through phase of the cam path in rear cam to rear microscope base
Position is adjusted, so as to realize anamorphosis function；
（2）Focus on：Locking nail before rotating, drives front cam rotation, passes through phase of the cam path in front cam to preceding microscope base
Position is adjusted, so as to realize focusing function；
（3）Locking：After making image clearly through zoom and focus adjustment, by rear locking nail by rear camlock, by preceding
Locking nail locks front cam.
Compared with prior art, the invention has the advantages that：Optical index is high, and optics target surface is big, high resolution
, can be with 16 in the high definition camera lens of five mega pixels：" video camera of fine definition is supported the use 9 standards 1/3, makes camera system
It can realize to scenery in the requirement of the high definition pick-up of bloom dynamic range environment, and almost not distort, simultaneously
Can be achieved 0.3m close-shots away from blur-free imaging.
Make further details of elaboration to the present invention with reference to the accompanying drawings and detailed description.
Brief description of the drawings
Fig. 1 is optical system diagram of the invention.
Fig. 2 is mechanical construction drawing of the invention.
In figure：A-1- bears selenodont lens A-1；A-2- biconcave lens A-2；A-3- bears selenodont lens A-3；B-1-
Lenticular lens B-1；B-2- bears selenodont lens B-2；B-3- lenticular lens B-3；B-4- double concave type lens B-4；B-5- is double
Convex type lens B-5；B-6- bears selenodont lens B-6；C- light bars C；Microscope base is organized before 1-；Lens barrel is organized before 2-；3- front cams；The double filters of 4-
Mating plate switch；Cam after 5-；Microscope base is organized after 6-；Lens barrel is organized after 7-；Locking nail before 8-；Locking nail after 9-.
Embodiment
As shown in Figure 1 and 2, the economic zooming camera lens of a kind of high resolution day and night, the mechanical structure bag of the camera lens
Preceding group of microscope base, the rear group of microscope base for organizing B after installation for installing preceding group of A are included, the preceding group microscope base is movably installed in preceding group
In lens barrel, it is described before group lens barrel outer sheath provided with the movable front cam of group microscope base before driving, it is described after group microscope base activity peace
Organized after being loaded in lens barrel, the rear lens barrel outer sheath of organizing is provided with the rear cam that group microscope base is moved forward and backward after driving, the preceding group mirror
It is provided between cylinder and rear group lens barrel in double optical-filter switchers, the front cam and is provided with the preceding locking for driving front cam to rotate
The rear locking nail of cam rotation after driving is provided with nail, the rear cam.
In the present embodiment, it is negative preceding group that the optical system of the camera lens is sequentially provided with focal power along light incident direction
A and focal power are rear group of positive B, and light bar C, the preceding group A are provided between preceding group of A and rear group B and is sequentially provided with negative selenodont
Lens A-1, biconcave lens A-2 and negative selenodont lens A-3, the rear group B are sequentially provided with by lenticular lens B-1 and the negative moon
First gluing unit of tooth form lens B-2 contiguity, by lenticular lens B-3 and double concave type lens B-4 touch the and gluing unit and
The 3rd gluing unit touched by lenticular lens B-5 and negative selenodont lens B-6.
In the present embodiment, the airspace between the negative selenodont lens A-1 and biconcave lens A-2 is
Airspace between 3.86mm, biconcave lens A-2 and negative selenodont lens A-3 is 1.25mm, the first gluing unit and second
Airspace between gluing unit is 0.10mm, and the airspace between the second gluing unit and the 3rd gluing unit is 0.40mm.
In the present embodiment, the preceding locking nail, be provided with annular knurl on rear locking nail, it is increased when manually operated
Frictional force between hand and part, while also improving the aesthetic property of camera lens outward appearance.
In the present embodiment, it is identified with focus direction on the preceding locking nail（F N）, it is identified with the rear locking nail becoming
Times direction（T W）, it is easy to client to recognize.
In the present embodiment, the double optical-filter switchers of I are when the light on daytime is abundant, and cutoff filter work is taken the photograph
Camera photo-sensitive cell restores true color, when night insufficient light, and IR-cut/absorption filter is removed automatically, full impregnated
Spectral filter is started working, and video camera photo-sensitive cell is made full use of all light, so that low photograph performance is substantially increased,
Realize that daytime, night can blur-free imagings.
In the present embodiment, in assembling process, mating surface in preceding group of microscope base and preceding group of lens barrel, rear group microscope base and rear group
Lubricating oil is applied in mating surface, the mating surface of front cam and preceding group of lens barrel, rear cam and the rear mating surface for organizing lens barrel of lens barrel, to protect
Card camera lens has good feel during zoom, focusing.
In the present embodiment, it is the airspace between each eyeglass of guarantee, biconcave lens A-2 and negative selenodont lens A-
Spacer ring is provided between 3, for the difficulty of the second gluing unit of reduction in process, mirror is organized after being fixed using gluing process
Piece.
A kind of application method of the economic zooming camera lens of high resolution day and night, comprises the following steps：
（1）Zoom：Cam rotates after locking nail after rotation, drive, passes through phase of the cam path in rear cam to rear microscope base
Position is adjusted, so as to realize anamorphosis function；
（2）Focus on：Locking nail before rotating, drives front cam rotation, passes through phase of the cam path in front cam to preceding microscope base
Position is adjusted, so as to realize focusing function；
（3）Locking：After making image clearly through zoom and focus adjustment, by rear locking nail by rear camlock, by preceding
Locking nail locks front cam.
In the present embodiment, the technical indicator that the camera lens is realized is as follows：Focal length：f′=2.8-10mm；Relative aperture=F1.8
(w)/F2.8(t)；Horizontal field of view angle：45.5°（t）- 127°（w）；Resolution ratio：Better than 3,000,000 pixels；Total length of light path ∑≤
51.6mm；It is applicable spectral line scope：400nm~700nm.
The economy of such lens construction is very strong, is adapted to produce in enormous quantities, the highly versatile in production, production efficiency
It is high.Annular knurl is designed with front and rear locking nail, makes camera lens more attractive in appearance in appearance.
The foregoing is only presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with
Modification, should all belong to the covering scope of the present invention.
Claims (5)
1. a kind of economic zooming camera lens of high resolution day and night, it is characterised in that：The mechanical structure of the camera lens includes
For installing preceding group of A preceding group of microscope base, the rear group of microscope base for organizing B after installation, the preceding group microscope base is movably installed in preceding group of mirror
In cylinder, it is described before group lens barrel outer sheath provided with the movable front cam of group microscope base before driving, it is described after group microscope base activity install
In in rear group of lens barrel, the rear lens barrel outer sheath of organizing is provided with the rear cam that group microscope base is moved forward and backward after driving, the preceding group lens barrel
It is provided between rear group of lens barrel in double optical-filter switchers, the front cam and is provided with the preceding locking for driving front cam to rotate
Nail, is provided with the rear locking nail of cam rotation after driving on the rear cam, and the optical system of the camera lens is along light incidence side
To being sequentially provided with, focal power is negative preceding group of A and focal power is rear group of positive B, and light bar C is provided between preceding group of A and rear group B,
Group A is sequentially provided with negative selenodont lens A-1, biconcave lens A-2 and negative selenodont lens A-3 before described, and the rear group B is successively
Provided with the first gluing unit touched by lenticular lens B-1 and negative selenodont lens B-2, by lenticular lens B-3 and double concave type
Second gluing unit of lens B-4 contiguity and the 3rd gluing unit touched by lenticular lens B-5 and negative selenodont lens B-6, institute
It is 3.86mm, biconcave lens A-2 and negative crescent moon to state the airspace between negative selenodont lens A-1 and biconcave lens A-2
Airspace between type lens A-3 is 1.25mm, and the airspace between the first gluing unit and the second gluing unit is 0.10mm,
Airspace between second gluing unit and the 3rd gluing unit is 0.40mm.
2. the economic zooming camera lens of high resolution day and night according to claim 1, it is characterised in that：Locked before described
Mark closely, be provided with annular knurl on rear locking nail.
3. the economic zooming camera lens of high resolution day and night according to claim 2, it is characterised in that：Locked before described
Mark closely and be identified with focus direction, zoom direction is identified with the rear locking nail.
4. the economic zooming camera lens of high resolution day and night according to claim 1, it is characterised in that：Bi-concave is saturating
Spacer ring is provided between mirror A-2 and negative selenodont lens A-3.
5. a kind of application method of the economic zooming camera lens of high resolution day and night, using height as claimed in claim 2
The economic zooming camera lens of resolution ratio day and night, it is characterised in that comprise the following steps：
（1）Zoom：Cam rotates after locking nail after rotation, drive, passes through relative position of the cam path in rear cam to rear microscope base
Put and be adjusted, so as to realize anamorphosis function；
（2）Focus on：Locking nail before rotating, drives front cam rotation, passes through relative position of the cam path in front cam to preceding microscope base
Put and be adjusted, so as to realize focusing function；
（3）Locking：After making image clearly through zoom and focus adjustment, by rear locking nail by rear camlock, pass through preceding locking
Nail locks front cam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510982168.1A CN105425372B (en) | 2015-12-24 | 2015-12-24 | The economic zooming camera lens of high resolution day and night and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510982168.1A CN105425372B (en) | 2015-12-24 | 2015-12-24 | The economic zooming camera lens of high resolution day and night and its application method |
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| CN105425372A CN105425372A (en) | 2016-03-23 |
| CN105425372B true CN105425372B (en) | 2017-10-31 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205450429U (en) * | 2015-12-24 | 2016-08-10 | 福建福光股份有限公司 | Dual -purpose economy of high resolution day night zooms camera lens |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2009229516A (en) * | 2008-03-19 | 2009-10-08 | Sony Corp | Zoom lens and imaging apparatus |
| JP5287022B2 (en) * | 2008-08-11 | 2013-09-11 | ペンタックスリコーイメージング株式会社 | Wide-angle lens system |
| JP5482245B2 (en) * | 2009-02-03 | 2014-05-07 | リコーイメージング株式会社 | Wide-angle zoom lens system |
| JP5360472B2 (en) * | 2009-02-04 | 2013-12-04 | 株式会社ニコン | Zoom lens and optical apparatus provided with the zoom lens |
| CN101825763A (en) * | 2009-12-31 | 2010-09-08 | 福建福光数码科技有限公司 | High resolution day and night multipoint zoom lens |
| JP5273184B2 (en) * | 2011-02-24 | 2013-08-28 | 株式会社ニコン | Zoom lens, optical device, and zoom lens manufacturing method |
| CN104965296B (en) * | 2015-07-15 | 2018-01-12 | 福建福光股份有限公司 | The focus adjustment method of the economic money camera lens of high resolution day and night |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205450429U (en) * | 2015-12-24 | 2016-08-10 | 福建福光股份有限公司 | Dual -purpose economy of high resolution day night zooms camera lens |
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