GB8315878D0 - Zoom lens assembly - Google Patents

Zoom lens assembly

Info

Publication number
GB8315878D0
GB8315878D0 GB838315878A GB8315878A GB8315878D0 GB 8315878 D0 GB8315878 D0 GB 8315878D0 GB 838315878 A GB838315878 A GB 838315878A GB 8315878 A GB8315878 A GB 8315878A GB 8315878 D0 GB8315878 D0 GB 8315878D0
Authority
GB
United Kingdom
Prior art keywords
zoom lens
lens assembly
assembly
zoom
lens
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
GB838315878A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales Optronics Ltd
Original Assignee
Thales Optronics Ltd
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 Thales Optronics Ltd filed Critical Thales Optronics Ltd
Priority to GB838315878A priority Critical patent/GB8315878D0/en
Publication of GB8315878D0 publication Critical patent/GB8315878D0/en
Priority to GB08412291A priority patent/GB2141260B/en
Priority to DE19843420655 priority patent/DE3420655A1/en
Priority to FR8409062A priority patent/FR2547427B1/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/14—Optical objectives specially designed for the purposes specified below for use with infrared or ultraviolet radiation
    • 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
    • G02B15/143—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 having three groups only
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Lenses (AREA)
GB838315878A 1983-06-09 1983-06-09 Zoom lens assembly Pending GB8315878D0 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB838315878A GB8315878D0 (en) 1983-06-09 1983-06-09 Zoom lens assembly
GB08412291A GB2141260B (en) 1983-06-09 1984-05-14 Zoom lens assembly
DE19843420655 DE3420655A1 (en) 1983-06-09 1984-06-02 Lens arrangement having a variable focal length
FR8409062A FR2547427B1 (en) 1983-06-09 1984-06-08 VARIABLE FOCAL LENS COMBINATION

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB838315878A GB8315878D0 (en) 1983-06-09 1983-06-09 Zoom lens assembly

Publications (1)

Publication Number Publication Date
GB8315878D0 true GB8315878D0 (en) 1983-07-13

Family

ID=10544054

Family Applications (1)

Application Number Title Priority Date Filing Date
GB838315878A Pending GB8315878D0 (en) 1983-06-09 1983-06-09 Zoom lens assembly

Country Status (3)

Country Link
DE (1) DE3420655A1 (en)
FR (1) FR2547427B1 (en)
GB (1) GB8315878D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106526818B (en) * 2016-12-06 2018-11-16 中国航空工业集团公司洛阳电光设备研究所 A kind of infrared continuous zooming optical system of three-group linkage compact high zoom ratio

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4161756A (en) * 1976-03-19 1979-07-17 Jos. Schneider & Co. Optische Werke Control system for varifocal objective
GB1559514A (en) * 1976-10-02 1980-01-23 Pilkington Perkin Elmer Ltd Infra-red zoom lenses
GB2072871B (en) * 1980-03-05 1984-02-22 Barr & Stroud Ltd Afocal refractor telescopes
JPS5729034A (en) * 1980-07-29 1982-02-16 Asahi Optical Co Ltd Control circuit of zoom device

Also Published As

Publication number Publication date
DE3420655A1 (en) 1984-12-13
FR2547427A1 (en) 1984-12-14
FR2547427B1 (en) 1988-04-08

Similar Documents

Publication Publication Date Title
GB2099164B (en) Zoom lens positioning
GB2163867B (en) Stereo camera lens mount
GB2068580B (en) Zoom lens
GB8431340D0 (en) Intracameral lens
GB8411204D0 (en) Camera focus adjusting system
GB2144874B (en) Catadioptric lens
DE3377297D1 (en) Optical element
GB2100026B (en) Auto-focus zoom lens assembly
GB2139367B (en) Dual lens camera
GB8430234D0 (en) Camera
GB8424815D0 (en) Zoom lens barrel
GB8322891D0 (en) Zoom lens system
GB8619670D0 (en) Zoom lens
GB2141260B (en) Zoom lens assembly
GB2224581B (en) Zoom lens assembly
EP0144933A3 (en) Lens mounting
GB8318811D0 (en) Zoom lens system
GB2138591B (en) Infrared objective zoom lens assembly
GB8406756D0 (en) Camera
DE3490407D2 (en) Special purpose camera
HK130395A (en) Zoom lens
GB8500347D0 (en) Zoom lens
GB2160332B (en) Zoom lens barrel
JPS57122414A (en) Zoom lens
GB8402818D0 (en) Still camera