[go: up one dir, main page]

DE69807641D1 - Teleskopisches optisches Suchersystem - Google Patents

Teleskopisches optisches Suchersystem

Info

Publication number
DE69807641D1
DE69807641D1 DE69807641T DE69807641T DE69807641D1 DE 69807641 D1 DE69807641 D1 DE 69807641D1 DE 69807641 T DE69807641 T DE 69807641T DE 69807641 T DE69807641 T DE 69807641T DE 69807641 D1 DE69807641 D1 DE 69807641D1
Authority
DE
Germany
Prior art keywords
lens group
image
magnification
intermediate image
viewfinder
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
DE69807641T
Other languages
English (en)
Other versions
DE69807641T2 (de
Inventor
Iain A Neil
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.)
Panavision Inc
Original Assignee
Panavision Inc
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 Panavision Inc filed Critical Panavision Inc
Publication of DE69807641D1 publication Critical patent/DE69807641D1/de
Application granted granted Critical
Publication of DE69807641T2 publication Critical patent/DE69807641T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B13/00Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/02Viewfinders
    • G03B13/10Viewfinders adjusting viewfinders field
    • G03B13/12Viewfinders adjusting viewfinders field to compensate for change of camera lens or size of picture
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/14Viewfinders
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/14Viewfinders
    • G02B23/145Zoom viewfinders

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Viewfinders (AREA)
DE69807641T 1997-11-20 1998-11-17 Teleskopisches optisches Suchersystem Expired - Lifetime DE69807641T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/974,933 US5920426A (en) 1997-11-20 1997-11-20 Telescopic viewfinder optical system

Publications (2)

Publication Number Publication Date
DE69807641D1 true DE69807641D1 (de) 2002-10-10
DE69807641T2 DE69807641T2 (de) 2003-05-28

Family

ID=25522525

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69807641T Expired - Lifetime DE69807641T2 (de) 1997-11-20 1998-11-17 Teleskopisches optisches Suchersystem

Country Status (7)

Country Link
US (1) US5920426A (de)
EP (1) EP0924545B1 (de)
JP (1) JP4213273B2 (de)
AT (1) ATE223580T1 (de)
AU (1) AU734177B2 (de)
CA (1) CA2254351C (de)
DE (1) DE69807641T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6480681B1 (en) 1999-08-26 2002-11-12 Panavision, Inc. Adjustable viewfinder optical system for shoulder-supported cameras
US6927797B2 (en) * 2001-04-19 2005-08-09 Panavision Inc. Viewfinder for high definition video camera
KR100482513B1 (ko) * 2002-03-29 2005-04-14 김후식 형광증폭상 촬영기
DE10244814A1 (de) * 2002-09-27 2004-04-15 Hensoldt Ag Okular
JP4655524B2 (ja) * 2003-07-18 2011-03-23 株式会社ニコン 接眼レンズ
JP5422214B2 (ja) * 2009-01-28 2014-02-19 株式会社 ニコンビジョン 接眼レンズ及び光学機器
CN105190401B (zh) * 2013-05-08 2017-09-26 柯尼卡美能达株式会社 变倍观察光学系统
DE102016106953A1 (de) 2016-04-14 2017-10-19 Arnold & Richter Cine Technik Gmbh & Co. Betriebs Kg Kamerasucher
CN110888223B (zh) * 2019-11-21 2025-04-01 福建福光天瞳光学有限公司 一种大通光高清低畸变机器视觉镜头及其调焦方法
CN114488479B (zh) * 2022-01-10 2024-04-09 合肥埃科光电科技股份有限公司 一种大视场高分辨率前置光阑的工业镜头

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3913116A (en) * 1972-01-07 1975-10-14 Arnold & Richter Kg Camera with adjustable viewfinder
US4040587A (en) * 1975-05-15 1977-08-09 Robert E. Gottschalk Camera cradle tilt mechanism
US4118720A (en) * 1977-01-03 1978-10-03 Panavision, Incorporated Viewfinder eyepiece leveling device
JPS54143633A (en) * 1978-04-28 1979-11-09 Asahi Optical Co Ltd Interchangeable contact lens mirror barrel
US4486069A (en) * 1981-07-01 1984-12-04 Barr & Stroud Limited Afocal telescopes
US4643542A (en) * 1984-02-27 1987-02-17 Leupold & Stevens Telescopic sight with erector lens focus adjustment
US4705374A (en) * 1986-09-11 1987-11-10 Clairmont Camera, Inc. Tilting viewfinder and video door accessory for motion-picture camera
US5130845A (en) * 1990-12-17 1992-07-14 Eastman Kodak Company Real image viewfinder
JP3571415B2 (ja) * 1995-05-17 2004-09-29 オリンパス株式会社 ファインダ駆動機構

Also Published As

Publication number Publication date
JP4213273B2 (ja) 2009-01-21
CA2254351A1 (en) 1999-05-20
CA2254351C (en) 2004-02-03
JPH11218693A (ja) 1999-08-10
US5920426A (en) 1999-07-06
ATE223580T1 (de) 2002-09-15
AU734177B2 (en) 2001-06-07
DE69807641T2 (de) 2003-05-28
AU9329698A (en) 1999-06-10
EP0924545A1 (de) 1999-06-23
EP0924545B1 (de) 2002-09-04

Similar Documents

Publication Publication Date Title
US5241337A (en) Real image viewfinder requiring no field lens
IL149481A (en) Visual aid in the form of telescopic spectacles with an automatic focussing device
ATE220216T1 (de) Optischer koppler
US5376984A (en) Real image type finder
JP2014182378A (ja) ズームレンズ
ATE223580T1 (de) Teleskopisches optisches suchersystem
US4988173A (en) Modular afocal variator optical focusing system
RU2002123918A (ru) Очки с увеличительными линзами с переменным фокусным расстоянием, переменным коэффициентом увеличения и автоматической компенсацией параллакса
EP1530072A1 (de) Zoomobjektiv mit einschiebbarem Brennweiten-Konverter und Bildaufnahmesystem
JPS57122413A (en) Zoom lens
CA2316657A1 (en) Adjustable viewfinder optical system for shoulder-supported cameras
KR970002389A (ko) 줌(zoom)렌즈 광학계
KR100322184B1 (ko) 변배파인더
EP0780714A3 (de) Linsentubus und Kamera mit einer solchen Vorrichtung
CN112305733B (zh) 变孔径光阑位置的两档变焦大靶面微光光学系统
JPS58173708A (ja) 選択しうる平面内の観察視野を周辺鮮明に均一照明する装置
TW342467B (en) Real-image zoom finder
JP3600898B2 (ja) 変倍テレセントリック光学系
JPS57181567A (en) Copying machine of continuously variable magnification
SU1720049A1 (ru) Панкратический объектив
KR950011549B1 (ko) 실상식 줌파인더
JPS6458236A (en) Ophthalmic apparatus
SU1012178A1 (ru) Панкратический широкоугольный объектив
RU2060521C1 (ru) Афокальная насадка
JP2727191B2 (ja) 切換え式変倍ファインダー

Legal Events

Date Code Title Description
8364 No opposition during term of opposition