JPH0558527B2 - - Google Patents

Info

Publication number
JPH0558527B2
JPH0558527B2 JP62285454A JP28545487A JPH0558527B2 JP H0558527 B2 JPH0558527 B2 JP H0558527B2 JP 62285454 A JP62285454 A JP 62285454A JP 28545487 A JP28545487 A JP 28545487A JP H0558527 B2 JPH0558527 B2 JP H0558527B2
Authority
JP
Japan
Prior art keywords
lens group
lens
image
magnification
focal length
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 - Fee Related
Application number
JP62285454A
Other languages
English (en)
Japanese (ja)
Other versions
JPH01128031A (ja
Inventor
Akira Hasegawa
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.)
Olympus Corp
Original Assignee
Olympus Optical Co 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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP62285454A priority Critical patent/JPH01128031A/ja
Priority to US07/269,453 priority patent/US4874232A/en
Publication of JPH01128031A publication Critical patent/JPH01128031A/ja
Publication of JPH0558527B2 publication Critical patent/JPH0558527B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
    • G02B23/2407—Optical details
    • G02B23/2423—Optical details of the distal end
    • G02B23/243—Objectives for endoscopes

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP62285454A 1987-11-13 1987-11-13 撮像光学系 Granted JPH01128031A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP62285454A JPH01128031A (ja) 1987-11-13 1987-11-13 撮像光学系
US07/269,453 US4874232A (en) 1987-11-13 1988-11-10 Imaging optical system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62285454A JPH01128031A (ja) 1987-11-13 1987-11-13 撮像光学系

Publications (2)

Publication Number Publication Date
JPH01128031A JPH01128031A (ja) 1989-05-19
JPH0558527B2 true JPH0558527B2 (https=) 1993-08-26

Family

ID=17691728

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62285454A Granted JPH01128031A (ja) 1987-11-13 1987-11-13 撮像光学系

Country Status (2)

Country Link
US (1) US4874232A (https=)
JP (1) JPH01128031A (https=)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2804267B2 (ja) * 1988-05-02 1998-09-24 オリンパス光学工業株式会社 内視鏡対物レンズ
US5214538A (en) * 1988-07-25 1993-05-25 Keymed (Medical And Industrial Equipment) Limited Optical apparatus
JP2582435B2 (ja) * 1989-04-29 1997-02-19 オリンパス光学工業株式会社 撮像光学系
JP2864420B2 (ja) * 1989-09-19 1999-03-03 オリンパス光学工業株式会社 撮像光学系
JP3034557B2 (ja) * 1990-04-27 2000-04-17 オリンパス光学工業株式会社 内視鏡用ズーム撮像光学系
GB2267762B (en) * 1992-06-11 1996-01-03 Keymed Optical endoscope having a zoom lens
JP3262374B2 (ja) * 1992-07-08 2002-03-04 キヤノン株式会社 ズームレンズ
JP3872852B2 (ja) * 1996-02-26 2007-01-24 オリンパス株式会社 内視鏡ｔｖ観察システム、内視鏡ｔｖ観察システムに使用される光源ユニット、及び内視鏡用小型光源ユニット
JPH09325273A (ja) * 1996-06-06 1997-12-16 Olympus Optical Co Ltd 内視鏡用ズーム撮像光学系
US5808813A (en) * 1996-10-30 1998-09-15 Smith & Nephew, Inc. Optical coupler
US6476979B1 (en) 1998-07-24 2002-11-05 David F. Schaack Focusing systems for perspective dimensional measurements and optical metrology
JP3908402B2 (ja) 1999-02-19 2007-04-25 富士通株式会社 伝送路監視装置
US6806899B1 (en) 1999-07-17 2004-10-19 David F. Schaack Focusing systems for perspective dimensional measurements and optical metrology
US6919914B2 (en) * 2001-10-24 2005-07-19 Stryker Corporation Powered optical coupler and endoscopic viewing system using same
JP2009163256A (ja) * 2009-03-03 2009-07-23 Olympus Corp 光学系
EP3000378B1 (en) * 2013-05-22 2017-11-22 Olympus Corporation Endoscope

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3477776A (en) * 1966-07-01 1969-11-11 Eastman Kodak Co Zoom wide aperture lens
AT333051B (de) * 1972-10-16 1976-11-10 Eumig Pankratisches objektiv
AT335765B (de) * 1973-02-06 1977-03-25 Eumig Reflexsucher
AT334109B (de) * 1974-12-20 1976-12-27 Eumig Pankratisches objektiv
JPS5513333B2 (https=) * 1974-12-28 1980-04-08
JPS58176614A (ja) * 1982-04-12 1983-10-17 Olympus Optical Co Ltd ズ−ムレンズにおけるズ−ミング方式
JPS58199313A (ja) * 1982-05-17 1983-11-19 Canon Inc 望遠ズ−ムレンズ
JPS58215620A (ja) * 1982-06-09 1983-12-15 Konishiroku Photo Ind Co Ltd 小型な可変焦点距離レンズ系
JPS6037445A (ja) * 1983-08-09 1985-02-26 Mitsubishi Motors Corp 自動変速機用油圧制御装置のアキユムレ−タ
JPS6088917A (ja) * 1983-10-20 1985-05-18 Canon Inc マクロ機構を有するズ−ムレンズ
JPS6135532A (ja) * 1984-07-27 1986-02-20 New Japan Radio Co Ltd 半導体製造装置
JPS61259217A (ja) * 1985-05-14 1986-11-17 Canon Inc ズ−ムレンズの変倍方法
JPS61264313A (ja) * 1985-05-20 1986-11-22 Canon Inc ズ−ムレンズ
JPS62910A (ja) * 1985-06-27 1987-01-06 Konishiroku Photo Ind Co Ltd 望遠ズ−ムレンズ
JPS6210407A (ja) * 1985-07-05 1987-01-19 Honda Motor Co Ltd Ｖ型エンジンの動弁装置
JPS6239812A (ja) * 1985-08-16 1987-02-20 Fuji Photo Film Co Ltd ズ−ムレンズ
JPS62187315A (ja) * 1986-02-14 1987-08-15 Ricoh Co Ltd 超小型なズ−ムレンズ
JPS62237415A (ja) * 1986-04-08 1987-10-17 Minolta Camera Co Ltd 有限距離用ズ−ムレンズ系
JPS62244012A (ja) * 1986-04-17 1987-10-24 Canon Inc 小型のズ−ムレンズ
JPS62260115A (ja) * 1986-05-06 1987-11-12 Agency Of Ind Science & Technol 画像に関連するデ−タを同一のモニタ面上に表示する内視鏡装置

Also Published As

Publication number Publication date
US4874232A (en) 1989-10-17
JPH01128031A (ja) 1989-05-19

Similar Documents

Publication Publication Date Title
US5296971A (en) Objective lens system for endoscopes
JPH0558527B2 (https=)
JP3952092B2 (ja) 写真レンズ光学系
US6788454B2 (en) Viewing apparatus having a photographic function
JPH05173070A (ja) ズームレンズ
JP6503383B2 (ja) ズーム撮像装置
JPH0572474A (ja) 非球面ズームレンズとそれを用いたビデオカメラ
JP3034557B2 (ja) 内視鏡用ズーム撮像光学系
JPH07119888B2 (ja) 再結像光学系
US5007719A (en) Varifocal imaging optical system having moire eliminating function
JP3026130B2 (ja) 非球面ズームレンズとそれを用いたビデオカメラ
JP2003207722A (ja) ファインダー及びそれを用いた光学機器
JP3085823B2 (ja) 非球面ズームレンズとそれを用いたビデオカメラ
US6853484B2 (en) Relay optical system
JP2007164157A (ja) ズームレンズ系、撮像装置及びカメラ
JP4694014B2 (ja) 内視鏡の撮像装置
JPH0735975A (ja) 広角ズームレンズ
JP3325261B2 (ja) リレー光学系
JPH075377A (ja) 変倍光学系およびこれを持った内視鏡システム
CN110673327A (zh) 一种细长微距镜头
JP3498914B2 (ja) リレー光学系
JP2002365539A (ja) ズームレンズおよびこれを用いた撮像装置
JPH09113805A (ja) ファインダ光学系
JPH10111465A (ja) 高変倍率ファインダー
JPH06102453A (ja) 小型の実像式変倍ファインダー

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees