DE3889691D1 - Varifokales optisches System und dazugehörige elektromechanische Steuerung. - Google Patents

Varifokales optisches System und dazugehörige elektromechanische Steuerung.

Info

Publication number
DE3889691D1
DE3889691D1 DE3889691T DE3889691T DE3889691D1 DE 3889691 D1 DE3889691 D1 DE 3889691D1 DE 3889691 T DE3889691 T DE 3889691T DE 3889691 T DE3889691 T DE 3889691T DE 3889691 D1 DE3889691 D1 DE 3889691D1
Authority
DE
Germany
Prior art keywords
optical system
electromechanical control
varifocal optical
associated electromechanical
varifocal
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.)
Expired - Lifetime
Application number
DE3889691T
Other languages
English (en)
Inventor
Jean-Claude Societe Civ Perrin
Joel Societe Civile S P Rollin
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.)
Thomson TRT Defense
Original Assignee
Thomson TRT Defense
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 Thomson TRT Defense filed Critical Thomson TRT Defense
Application granted granted Critical
Publication of DE3889691D1 publication Critical patent/DE3889691D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G02B15/144—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 four groups only
    • G02B15/1441—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 four groups only the first group being positive
    • G02B15/144113—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 four groups only the first group being positive arranged +-++
    • 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
    • G02B15/16—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 with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
    • G02B15/163—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 with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group
    • G02B15/167—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 with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses
    • G02B15/173—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 with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses arranged +-+
    • 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
    • G02B7/102—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 controlled by a microcomputer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Lens Barrels (AREA)
  • Lenses (AREA)
DE3889691T 1987-06-04 1988-06-02 Varifokales optisches System und dazugehörige elektromechanische Steuerung. Expired - Lifetime DE3889691D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8707797A FR2616231B1 (fr) 1987-06-04 1987-06-04 Systeme optique a focale variable et commande electromecanique associee

Publications (1)

Publication Number Publication Date
DE3889691D1 true DE3889691D1 (de) 1994-06-30

Family

ID=9351717

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3889691T Expired - Lifetime DE3889691D1 (de) 1987-06-04 1988-06-02 Varifokales optisches System und dazugehörige elektromechanische Steuerung.

Country Status (5)

Country Link
US (1) US4907867A (de)
EP (1) EP0294005B1 (de)
JP (1) JPS6477016A (de)
DE (1) DE3889691D1 (de)
FR (1) FR2616231B1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2814388B2 (ja) * 1989-06-27 1998-10-22 株式会社ニコン ズームレンズ
JPH0387801A (ja) * 1989-08-31 1991-04-12 Hirakawa Kogyosha:Kk 焦点位置の温度補償装置
JP3116370B2 (ja) * 1990-11-06 2000-12-11 ソニー株式会社 撮像装置
GB2259373B (en) * 1991-09-09 1994-07-13 Panavision Int Lp Video camera or the like having thermal compensation mechanism
JPH07248445A (ja) * 1994-03-14 1995-09-26 Sony Corp ズームレンズ装置
KR100216087B1 (ko) * 1994-07-26 1999-08-16 미따라이 하지메 광학기기
US6268885B1 (en) * 1996-01-31 2001-07-31 Canon Kabushiki Kaisha Optical apparatus for correcting focus based on temperature and humidity
JP3581513B2 (ja) * 1997-01-23 2004-10-27 キヤノン株式会社 光学機器
FR2760924B1 (fr) 1997-03-14 1999-06-04 Thomson Csf Architecture optique pour systeme de vision infrarouge
FR2833717B1 (fr) * 2001-12-14 2004-02-20 Thales Sa Combinaison optique multichamp de type cassegrain
FR2936065A1 (fr) * 2008-09-17 2010-03-19 Thales Sa Calibrage d'un zoom optique
US7961382B2 (en) * 2009-08-28 2011-06-14 Corning Incorporated Mid infrared spectral band continuous zoom system
JP2011186070A (ja) * 2010-03-05 2011-09-22 Tamron Co Ltd 赤外線ズームレンズ
JP5467896B2 (ja) 2010-03-05 2014-04-09 株式会社タムロン 赤外線ズームレンズ
JP2013225019A (ja) * 2012-04-20 2013-10-31 Tamron Co Ltd 赤外線ズームレンズ

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4037234A (en) * 1973-04-28 1977-07-19 Canon Kabushiki Kaisha Exposure control system stabilized against temperature variation
US4161756A (en) * 1976-03-19 1979-07-17 Jos. Schneider & Co. Optische Werke Control system for varifocal objective
JPS5439144A (en) * 1977-09-01 1979-03-26 Minolta Camera Co Ltd Zoom lens system for photography of fixed magnification
GB2141260B (en) * 1983-06-09 1986-12-10 Barr & Stroud Ltd Zoom lens assembly
JPS6053907A (ja) * 1983-09-02 1985-03-28 Canon Inc 可変焦点距離レンズ装置
US4668069A (en) * 1985-05-13 1987-05-26 Nippon Kogaku K. K. Exposure control device in a camera
FR2586828B1 (fr) * 1985-08-29 1988-08-12 Angenieux P Ets Objectif a infra-rouge, a distance focale variable.
JPH0833511B2 (ja) * 1987-01-12 1996-03-29 ミノルタ株式会社 自動焦点検出装置

Also Published As

Publication number Publication date
FR2616231B1 (fr) 1990-11-16
FR2616231A1 (fr) 1988-12-09
US4907867A (en) 1990-03-13
JPS6477016A (en) 1989-03-23
EP0294005B1 (de) 1994-05-25
EP0294005A1 (de) 1988-12-07

Similar Documents

Publication Publication Date Title
DE3850773D1 (de) Fernbedienungssystem.
NO892702L (no) Kontrollsystem.
DE68924548D1 (de) Prozessregelungsverfahren und Regelungssystem.
DE69114551D1 (de) Servo-Steuerungssystem.
NO972058L (no) Brönn styresystem
DE3882496D1 (de) Positionssteuerungssystem.
DE3789447D1 (de) Opto-elektrische energieübertragung und kontrolsystem.
DE3853036D1 (de) Verbrennungsregelsystem.
DE3789230D1 (de) Steuerungseinheit.
DE3883109D1 (de) Steuerungsgeraet.
NO893561D0 (no) Fjernstyringssystem.
DE3851285D1 (de) Anzeige-Steuersystem.
DE68919248D1 (de) Prozessregelungssystem.
DE3889691D1 (de) Varifokales optisches System und dazugehörige elektromechanische Steuerung.
DE59010914D1 (de) Streckwerk mit vermaschter Regelung
DE69022323D1 (de) Getriebesteuerungssystem.
NO880603L (no) Styresystem.
DE59109120D1 (de) Steuerungssystem
DE69001490D1 (de) Steuersystem mit multiplexer.
DE68900568D1 (de) Fluessigkeitsgesteuerter betaetiger.
DE68907612D1 (de) Optisches system.
DE68915102D1 (de) Programmierbare Steuerung.
FI894088A (fi) Foerfarande foer framstaellning av fibrer av stereoregulaert polystyren.
DE68918966D1 (de) System zur Steuerung der Datenübertragung.
DE3855722D1 (de) Cnc-regelungssystem

Legal Events

Date Code Title Description
8332 No legal effect for de