JPH01128031A - 撮像光学系 - Google Patents

撮像光学系

Info

Publication number
JPH01128031A
JPH01128031A JP62285454A JP28545487A JPH01128031A JP H01128031 A JPH01128031 A JP H01128031A JP 62285454 A JP62285454 A JP 62285454A JP 28545487 A JP28545487 A JP 28545487A JP H01128031 A JPH01128031 A JP H01128031A
Authority
JP
Japan
Prior art keywords
lens group
lens
image
focal length
magnification
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.)
Granted
Application number
JP62285454A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0558527B2 (https=
Inventor
Akira Hasegawa
晃 長谷川
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 true JPH01128031A (ja) 1989-05-19
JPH0558527B2 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=)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02291514A (ja) * 1989-04-29 1990-12-03 Olympus Optical Co Ltd 撮像光学系
JPH03103808A (ja) * 1989-09-19 1991-04-30 Olympus Optical Co Ltd 撮像光学系
US5245475A (en) * 1990-04-27 1993-09-14 Olympus Optical Co., Ltd. Imaging optical system for endoscopes
US5933282A (en) * 1996-06-06 1999-08-03 Olympus Optical Co., Ltd. Vari-focal image pickup optical system for endoscopes
US7369764B1 (en) 1999-02-19 2008-05-06 Fujitsu Limited Transmission line monitoring method and apparatus
JP2009163256A (ja) * 2009-03-03 2009-07-23 Olympus Corp 光学系

Families Citing this family (10)

* 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
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
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
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
EP3000378B1 (en) * 2013-05-22 2017-11-22 Olympus Corporation Endoscope

Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4995634A (https=) * 1972-10-16 1974-09-11
JPS49113628A (https=) * 1973-02-06 1974-10-30
JPS5188243A (https=) * 1974-12-20 1976-08-02
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

Family Cites Families (2)

* 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
JPS5513333B2 (https=) * 1974-12-28 1980-04-08

Patent Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4995634A (https=) * 1972-10-16 1974-09-11
JPS49113628A (https=) * 1973-02-06 1974-10-30
JPS5188243A (https=) * 1974-12-20 1976-08-02
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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02291514A (ja) * 1989-04-29 1990-12-03 Olympus Optical Co Ltd 撮像光学系
JPH03103808A (ja) * 1989-09-19 1991-04-30 Olympus Optical Co Ltd 撮像光学系
US5245475A (en) * 1990-04-27 1993-09-14 Olympus Optical Co., Ltd. Imaging optical system for endoscopes
US5933282A (en) * 1996-06-06 1999-08-03 Olympus Optical Co., Ltd. Vari-focal image pickup optical system for endoscopes
US7369764B1 (en) 1999-02-19 2008-05-06 Fujitsu Limited Transmission line monitoring method and apparatus
JP2009163256A (ja) * 2009-03-03 2009-07-23 Olympus Corp 光学系

Also Published As

Publication number Publication date
JPH0558527B2 (https=) 1993-08-26
US4874232A (en) 1989-10-17

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Legal Events

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