CN101609205A - High-magnifying long-focus zooming camera lens - Google Patents

High-magnifying long-focus zooming camera lens Download PDF

Info

Publication number
CN101609205A
CN101609205A CNA2009103051358A CN200910305135A CN101609205A CN 101609205 A CN101609205 A CN 101609205A CN A2009103051358 A CNA2009103051358 A CN A2009103051358A CN 200910305135 A CN200910305135 A CN 200910305135A CN 101609205 A CN101609205 A CN 101609205A
Authority
CN
China
Prior art keywords
focusing
camera lens
gummed
slice
airspace
Prior art date
Application number
CNA2009103051358A
Other languages
Chinese (zh)
Other versions
CN101609205B (en
Inventor
王颖军
肖维军
林春生
刘辉
Original Assignee
福建福光数码科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 福建福光数码科技有限公司 filed Critical 福建福光数码科技有限公司
Priority to CN2009103051358A priority Critical patent/CN101609205B/en
Publication of CN101609205A publication Critical patent/CN101609205A/en
Application granted granted Critical
Publication of CN101609205B publication Critical patent/CN101609205B/en

Links

Abstract

The present invention relates to a kind of high-magnifying long-focus zooming camera lens, it is characterized in that: in its light channel structure along light from left to right direction incident to be respectively equipped with focal power be positive preceding fixedly group, focal power is doubly organized for negative change, focal power is positive back fixedly group for negative compensation group and focal power, before described fixedly group be provided with a slice biconvex eyeglass and separately gummed group with it successively, described change is doubly organized and is provided with negative crescent moon eyeglass of a slice and separately gummed group with it successively, described compensation group be provided with mutual gummed negative crescent moon and the first month of the lunar year odontoscope sheet gummed group, the front portion of the fixing group in described back is provided with a slice biconvex eyeglass and separately a slice odontoscope in first month of the lunar year sheet with it, the middle part is provided with gummed group and a slice odontoscope in first month of the lunar year sheet successively, and the rear portion is provided with a slice crescent moon eyeglass and separately biconvex eyeglass with it.The present invention can improve the zoom lens the change multiple proportions, dwindle optical texture length, can be installed on the universal The Cloud Terrace, to increase the optics rear cut-off distance, to improve resolution of lens.

Description

High-magnifying long-focus zooming camera lens
Technical field
The present invention relates to a kind of high-magnifying long-focus zooming camera lens, be applicable to the protection and monitor field industry.
Background technology
Mechanical compensation formula zoom lens have had the history in three, 40 years in the application of protection and monitor field.Traditional light channel structure pattern by preceding fixedly group, become doubly four constituent elements of the fixing group in group, compensation group and back and form, but its ubiquity that the change multiple proportions is low, structure long, optics rear cut-off distance weak point, the not high shortcoming of resolution.
Summary of the invention
The object of the present invention is to provide a kind of high-magnifying long-focus zooming camera lens, its longest focal length is 1000mm, becomes multiple proportions and is 25 times, and its total optical path length is short, can be installed on the universal The Cloud Terrace, and the optics rear cut-off distance is long, the resolution height.
Technical program of the present invention lies in: a kind of high-magnifying long-focus zooming camera lens, it is characterized in that: in its light channel structure along light from left to right direction incident to be respectively equipped with focal power be positive preceding fixedly group, focal power is doubly organized for negative change, focal power is positive back fixedly group for negative compensation group and focal power, before described fixedly group be provided with successively a slice biconvex eyeglass and with it separately by bearing crescent moon and gummed group that the first month of the lunar year, the odontoscope sheet connected airtight, described change doubly organize be provided with successively the negative crescent moon eyeglass of a slice and with it separately by bearing crescent moon and gummed group that the first month of the lunar year, the odontoscope sheet connected airtight, described compensation group is provided with the gummed group of being connected airtight by negative crescent moon and positive crescent moon, the front portion of the fixing group in described back is provided with a slice biconvex eyeglass and separately a slice odontoscope in first month of the lunar year sheet with it, the middle part is provided with the gummed group of being connected airtight by biconvex eyeglass and negative crescent moon eyeglass successively, with along optical path direction and gummed group a slice odontoscope in first month of the lunar year sheet separately, the rear portion is provided with a slice crescent moon eyeglass and separately biconvex eyeglass with it.
The invention has the advantages that: the present invention can improve the zoom lens the change multiple proportions, dwindle optical texture length, it can be installed on the universal The Cloud Terrace, increase the optics rear cut-off distance, improve resolution of lens, thereby effectively increase the monitoring distance, and guaranteed the sharpness of monitoring image.
Description of drawings
Fig. 1 is a light channel structure synoptic diagram of the present invention.
Fig. 2 is an electronic focus adjusting mechanism structural representation of the present invention.
Fig. 3 is a power zoom mechanism structure synoptic diagram of the present invention.
Fig. 4 is a back focusing mechanism structure synoptic diagram of the present invention.
Fig. 5 is a camera lens one-piece construction cut-open view of the present invention.
Wherein: fixing group 2-becomes and doubly organizes the main tube of fixing group 5-motor 2 driving wheel 6-focusing rings 1 7-focusing drawtube 8-camera lens master tube 9-guide pin, 2 10-motors, 1 driving wheel 11-cam 12-guide pin 113-slide bar 14-coupling bolt 15-focusing 16-clamp ring 17-focusing ring 2 18-retaining ring 19-focusing mount 20-focusing O type circle 21-connection seat 22-guide pin 3 behind the 3-compensation group 4-before the 1-
Embodiment
With reference to figure 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the invention provides a kind of high-magnifying long-focus zooming camera lens, it is characterized in that: in its light channel structure along light from left to right direction incident to be respectively equipped with focal power be positive preceding fixedly group 1, focal power doubly organizes 2 for negative change, focal power is positive back fixedly group 4 for negative compensation group 3 and focal power, before described fixing group 1 be provided with successively a slice biconvex eyeglass 1-1 and with it separately by bearing crescent moon 1-2 and gummed group that the first month of the lunar year, odontoscope sheet 1-3 connected airtight, described change is doubly organized 2 and is provided with the negative crescent moon eyeglass 2-1 of a slice successively and with it separately by bearing crescent moon 2-2 and gummed group that the first month of the lunar year, odontoscope sheet 2-3 connected airtight, described compensation group 3 is provided with by negative crescent moon 3-1 and gummed group that the first month of the lunar year, odontoscope sheet 3-2 connected airtight, the front portion of the fixing group 4 in described back is provided with a slice biconvex eyeglass 4-1 and separately a slice odontoscope in first month of the lunar year sheet 4-2 with it, the middle part is provided with the gummed group of being connected airtight by biconvex eyeglass 4-3 and negative crescent moon eyeglass 4-4 successively, with along optical path direction and gummed group a slice odontoscope in first month of the lunar year sheet 4-5 separately, the rear portion is provided with a slice crescent moon eyeglass 4-6 and separately biconvex eyeglass 4-7 with it.
Wherein, along the light incident direction, airspace in the described preceding fixing group between biconvex eyeglass and the gummed group is 10.3mm, airspace during described change is doubly organized between negative crescent moon eyeglass and the gummed group is 13.7mm, airspace between front portion two eyeglasses of the fixing group in described back is 0.2mm, anterior airspace with the middle part is 16.1mm, airspace between the middle part gummed group of the fixing group in described back and the first month of the lunar year odontoscope sheet is 0.5mm, the middle part and the airspace between the rear portion of the fixing group in described back are 32mm, airspace between rear portion two eyeglasses of the fixing group in described back is 1.7mm, airspace before described between fixing group and the change times group is 4.2mm~122.57mm, the airspace that becomes between times group and the compensation group is 106.16mm~64.31mm, and the airspace between the fixing group in compensation group and back is 80.98mm~4.47mm.
The camera lens that is made of above-mentioned lens set reaches following parameter:
1 focal length: f Min'=40mm; f Max'=1000mm (change multiple proportions: 25 times),
2 relative apertures: D/f '=1/4.5~1/8,
3 field angle: ° 20 '~0 ° 27 ' (as square linear field 2 η ' 〉=φ 8) of 2 ω 〉=11,
4 optics rear cut-off distance: L ' 〉=50mm,
5 optical texture length: ∑ D≤420mm,
6 become times stroke :≤119mm.
The fixing group on 1 focusing drawtube 7 that is installed in the camera lens master tube 8 before described, described focusing drawtube 7 is connected through the internal thread of external thread with focusing ring 6 inwalls, described focusing ring 6 internal threads are connected with the external thread of camera lens master tube 8, the external toothing of described focusing ring 6 and driving gear 5 engagements that are installed in the drive motor rotating shaft on the camera lens master tube 7, and carry out relative camera lens master tube and rotatablely move, guide groove on guide pin 9 and the camera lens master tube 8 makes focusing drawtube 7 change into axially-movable from rotatablely moving, and has constituted the electronic focus adjusting mechanism of fixing group before driving like this.
Described change doubly organize 2 and compensation group 3 through becoming times microscope base, the compensation microscope base is installed in respectively on the front and back end of the slide bar 13 in main tube 8 bodies, described main tube 8 outer walls are provided with a cam 11, the pair of cams groove is arranged on the cam 11, wherein drive and become times cam path of group motion into becoming times cam path, install on the described change times cam path and stir guide pin 12, described guide pin 12 ends are installed in the hole slot that becomes times microscope base relevant position, also install on another cam path and stir guide pin, described guide pin end also is installed in the hole slot of compensation microscope base relevant position, the end face tooth of described upper cam surface be installed in main tube 8 bodies on the drive motor rotating shaft on driving gear 10 be meshed, the rotation of driven by motor cam, cam drives by guide pin and becomes times microscope base, the compensation microscope base, press the position motion of setting, constituted the power zoom mechanism that drives change times group and compensation group like this.
In order to regulate the influence of installation site to camera lens, the present invention is provided with back focusing mechanism, mainly comprise the focusing master tube 15 of fixedlying connected with camera lens master tube rear end portion, described focusing master tube 15 external screw-threads connect focusing ring 17, described focusing ring 17 rear side inwalls are provided with internal thread, focusing mount 19 is provided with the external thread that connects with focusing ring 17, focusing mount 19 is provided with the guide groove that guide pin 22 is installed, described guide pin 22 ends link to each other with the main tube 15 of focusing, in order to change the direction of motion of focusing ring 17, when the rotation focusing ring, by screw drive focusing mount circumferential movement, and guide pin makes focusing mount become rectilinear motion by circumferential movement in the guide groove, regulates thereby make connection seat carry out axial location.

Claims (5)

1. high-magnifying long-focus zooming camera lens, it is characterized in that: in its light channel structure along light from left to right direction incident to be respectively equipped with focal power be positive preceding fixedly group, focal power is doubly organized for negative change, focal power is positive back fixedly group for negative compensation group and focal power, before described fixedly group be provided with successively a slice biconvex eyeglass and with it separately by bearing crescent moon and gummed group that the first month of the lunar year, the odontoscope sheet connected airtight, described change doubly organize be provided with successively the negative crescent moon eyeglass of a slice and with it separately by bearing crescent moon and gummed group that the first month of the lunar year, the odontoscope sheet connected airtight, described compensation group is provided with the gummed group of being connected airtight by negative crescent moon and positive crescent moon, the front portion of the fixing group in described back is provided with a slice biconvex eyeglass and separately a slice odontoscope in first month of the lunar year sheet with it, the middle part is provided with the gummed group of being connected airtight by biconvex eyeglass and negative crescent moon eyeglass successively, with along optical path direction and gummed group a slice odontoscope in first month of the lunar year sheet separately, the rear portion is provided with a slice crescent moon eyeglass and separately biconvex eyeglass with it.
2. high-magnifying long-focus zooming camera lens according to claim 1, it is characterized in that: along the light incident direction, airspace in the described preceding fixing group between biconvex eyeglass and the gummed group is 10.3mm, airspace during described change is doubly organized between negative crescent moon eyeglass and the gummed group is 13.7mm, airspace between front portion two eyeglasses of the fixing group in described back is 0.2mm, anterior airspace with the middle part is 16.1mm, airspace between the middle part gummed group of the fixing group in described back and the first month of the lunar year odontoscope sheet is 0.5mm, the middle part and the airspace between the rear portion of the fixing group in described back are 32mm, airspace between rear portion two eyeglasses of the fixing group in described back is 1.7mm, airspace before described between fixing group and the change times group is 4.2mm~122.57mm, the airspace that becomes between times group and the compensation group is 106.16mm~64.31mm, and the airspace between the fixing group in compensation group and back is 80.98mm~4.47mm.
3. high-magnifying long-focus zooming camera lens according to claim 1, it is characterized in that: fixing group is installed on the interior focusing drawtube of camera lens master tube before described, described focusing drawtube is connected through the internal thread of external thread with the focusing ring inwall, described focusing ring internal thread is connected with the external thread of camera lens master tube, the external toothing of described focusing ring and the driving gear engagement that is installed in the drive motor rotating shaft on the camera lens master tube, and carry out relative camera lens master tube and rotatablely move, described camera lens master tube is provided with guide groove, is installed on the described guide groove to be used to make focusing drawtube to change into the guide pin of axially-movable from rotatablely moving.
4. high-magnifying long-focus zooming camera lens according to claim 1, it is characterized in that: described change doubly organize and the compensation group through becoming times microscope base, the compensation microscope base is installed in respectively on the front and back end of the slide bar in the main cylinder, described main drum outer wall is provided with a cam, cam is provided with the pair of cams groove, wherein drive and become times cam path of group motion into becoming times cam path, install on the described change times cam path and stir guide pin, described guide pin end is installed in the hole slot that becomes times microscope base relevant position, also install on another cam path and stir guide pin, described guide pin end also is installed in the hole slot of compensation microscope base relevant position, the end face tooth of described upper cam surface be installed in main cylinder on the drive motor rotating shaft on driving gear be meshed, the rotation of driven by motor cam, cam drive by guide pin and become times microscope base, the compensation microscope base is by the position motion of setting.
5. high-magnifying long-focus zooming camera lens according to claim 1, it is characterized in that: comprise the focusing master tube of fixedlying connected with camera lens master tube rear end portion, described focusing master tube external screw-thread connects focusing ring, described focusing ring rear side inwall is provided with internal thread, focusing mount is provided with the external thread that connects with focusing ring, focusing mount is provided with the guide groove that guide pin is installed, and described guide pin end links to each other with the main tube of focusing.In order to change the direction of motion of focusing ring, rotate focusing ring, by screw drive focusing mount circumferential movement, and guide pin makes focusing mount become rectilinear motion by circumferential movement in the guide groove, regulates thereby make connection seat carry out axial location.
CN2009103051358A 2009-08-03 2009-08-03 High-magnifying long-focus zooming camera lens CN101609205B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009103051358A CN101609205B (en) 2009-08-03 2009-08-03 High-magnifying long-focus zooming camera lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009103051358A CN101609205B (en) 2009-08-03 2009-08-03 High-magnifying long-focus zooming camera lens

Publications (2)

Publication Number Publication Date
CN101609205A true CN101609205A (en) 2009-12-23
CN101609205B CN101609205B (en) 2011-02-02

Family

ID=41483023

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009103051358A CN101609205B (en) 2009-08-03 2009-08-03 High-magnifying long-focus zooming camera lens

Country Status (1)

Country Link
CN (1) CN101609205B (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101930114A (en) * 2010-08-25 2010-12-29 福建福光数码科技有限公司 Varifocal pick-up lens with high resolution and strong fog penetrating function
CN102253472A (en) * 2011-07-22 2011-11-23 福建福光数码科技有限公司 Zooming camera lens matched with 3CCD (Charge-Coupled Device) camera
CN102354078A (en) * 2011-09-28 2012-02-15 福建福光数码科技有限公司 Infrared illuminating, zooming and light-condensing lens
CN103197408A (en) * 2012-11-25 2013-07-10 西南技术物理研究所 Middle-infrared band athermal optical compensation continuous zooming optical system
CN103293162A (en) * 2013-06-17 2013-09-11 浙江大学 Lighting system and method used for dark field detection of defect in spherical optical element surface
CN103336354A (en) * 2013-07-03 2013-10-02 福建福光数码科技有限公司 Miniaturized, strong light power, high multiple proportion, hand-operated and three-variable pick-up lens
CN103364933A (en) * 2013-07-22 2013-10-23 中国科学院西安光学精密机械研究所 Digital cam continuous zooming system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0235964B2 (en) * 1983-09-14 1990-08-14 Asahi Optical Co Ltd
JP2008040032A (en) * 2006-08-04 2008-02-21 Casio Comput Co Ltd Zoom lens and projection device
JP4963048B2 (en) * 2006-09-04 2012-06-27 株式会社リコー Zoom lens, camera device, and portable information terminal device

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101930114A (en) * 2010-08-25 2010-12-29 福建福光数码科技有限公司 Varifocal pick-up lens with high resolution and strong fog penetrating function
CN101930114B (en) * 2010-08-25 2012-09-05 福建福光数码科技有限公司 Varifocal pick-up lens with high resolution and strong fog penetrating function
CN102253472A (en) * 2011-07-22 2011-11-23 福建福光数码科技有限公司 Zooming camera lens matched with 3CCD (Charge-Coupled Device) camera
CN102253472B (en) * 2011-07-22 2013-11-20 福建福光数码科技有限公司 Zooming camera lens matched with 3CCD (Charge-Coupled Device) camera
CN102354078A (en) * 2011-09-28 2012-02-15 福建福光数码科技有限公司 Infrared illuminating, zooming and light-condensing lens
CN102354078B (en) * 2011-09-28 2014-02-26 福建福光数码科技有限公司 Infrared illuminating, zooming and light-condensing lens
CN103197408A (en) * 2012-11-25 2013-07-10 西南技术物理研究所 Middle-infrared band athermal optical compensation continuous zooming optical system
CN103197408B (en) * 2012-11-25 2015-04-29 西南技术物理研究所 Middle-infrared band athermal optical compensation continuous zooming optical system
CN103293162A (en) * 2013-06-17 2013-09-11 浙江大学 Lighting system and method used for dark field detection of defect in spherical optical element surface
CN103293162B (en) * 2013-06-17 2015-03-11 浙江大学 Lighting system and method used for dark field detection of defect in spherical optical element surface
CN103336354A (en) * 2013-07-03 2013-10-02 福建福光数码科技有限公司 Miniaturized, strong light power, high multiple proportion, hand-operated and three-variable pick-up lens
CN103336354B (en) * 2013-07-03 2015-06-17 福建福光数码科技有限公司 Miniaturized, strong light power, high multiple proportion, hand-operated and three-variable pick-up lens
CN103364933A (en) * 2013-07-22 2013-10-23 中国科学院西安光学精密机械研究所 Digital cam continuous zooming system

Also Published As

Publication number Publication date
CN101609205B (en) 2011-02-02

Similar Documents

Publication Publication Date Title
US9201212B2 (en) Lens module
CN1220090C (en) Projecting zoom lens
US7903345B2 (en) Zoom lens and image pickup apparatus having the same
CN105892027B (en) projection optical system
KR100823812B1 (en) Image-pickup optical system
CN1289933C (en) Cam mechanism of lens drum
CN101382645B (en) Zoom lens system and image pickup device containing above system
US7230773B2 (en) Drive mechanism of a zoom lens
CN103676123B (en) Multi-mode optical high resolution microscope
US7982971B2 (en) Zoom lens system and image pickup apparatus including the same
US20040160683A1 (en) Structure of a zoom lens barrel
CN1222804C (en) Diffraction optics element and optical system and equipment with same
CN104297908B (en) A kind of double-colored more visual field optical systems of medium wave/long wave
CN102269917B (en) Projection type image display apparatus
JPH07119893B2 (en) Endoscope optical system
WO2003052511A2 (en) Imaging device in a projection exposure facility
JP4701700B2 (en) Infinite focus zoom system
US8279538B2 (en) Lens system
CN205065618U (en) Formation of image lamp focusing structure zooms
CN1961255A (en) Array of micromirror array lenses
EP1779166A1 (en) Camera module, array based thereon, and method for the production thereof
DE202012006851U1 (en) Zoom lens device with focus adjustment and optical imaging device with this device
TWI595262B (en) Imaging Lens
US20050264887A1 (en) Diffractive optical element
CN102301268B (en) Imaging optical system, and microscope apparatus and stereo microscope apparatus, having the imaging optical system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
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.

CP03 Change of name, title or address

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

Patentee after: FUJIAN FORECAM CO., LTD.

Address before: 350015, Fuzhou, Fujian Province, Mawei District, No. 39

Patentee before: Fujian Forecam Optics Co., Ltd.