JPS572014A - Zoom lens having high variable magnification - Google Patents

Zoom lens having high variable magnification

Info

Publication number
JPS572014A
JPS572014A JP7486580A JP7486580A JPS572014A JP S572014 A JPS572014 A JP S572014A JP 7486580 A JP7486580 A JP 7486580A JP 7486580 A JP7486580 A JP 7486580A JP S572014 A JPS572014 A JP S572014A
Authority
JP
Japan
Prior art keywords
lens
focal length
lens component
components
zoom
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
JP7486580A
Other languages
English (en)
Other versions
JPS5833531B2 (ja
Inventor
Shozo Ishiyama
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.)
Konica Minolta Inc
Original Assignee
Konica Minolta 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 Konica Minolta Inc filed Critical Konica Minolta Inc
Priority to JP55074865A priority Critical patent/JPS5833531B2/ja
Priority to US06/269,769 priority patent/US4437732A/en
Priority to GB8116930A priority patent/GB2078997B/en
Publication of JPS572014A publication Critical patent/JPS572014A/ja
Publication of JPS5833531B2 publication Critical patent/JPS5833531B2/ja
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G02B15/145—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 five groups only
    • G02B15/1451—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 five groups only the first group being positive
    • G02B15/145121—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 five groups only the first group being positive arranged +-+-+

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP55074865A 1980-06-05 1980-06-05 高変倍率ズ−ムレンズ Expired JPS5833531B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP55074865A JPS5833531B2 (ja) 1980-06-05 1980-06-05 高変倍率ズ−ムレンズ
US06/269,769 US4437732A (en) 1980-06-05 1981-06-03 Wide magnification-variable range zoom lens system
GB8116930A GB2078997B (en) 1980-06-05 1981-06-03 Zoom lens system having five movable lens groups

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55074865A JPS5833531B2 (ja) 1980-06-05 1980-06-05 高変倍率ズ−ムレンズ

Publications (2)

Publication Number Publication Date
JPS572014A true JPS572014A (en) 1982-01-07
JPS5833531B2 JPS5833531B2 (ja) 1983-07-20

Family

ID=13559645

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55074865A Expired JPS5833531B2 (ja) 1980-06-05 1980-06-05 高変倍率ズ−ムレンズ

Country Status (3)

Country Link
US (1) US4437732A (ja)
JP (1) JPS5833531B2 (ja)
GB (1) GB2078997B (ja)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57164709A (en) * 1981-04-03 1982-10-09 Konishiroku Photo Ind Co Ltd Compact and high variable magnification zoom lens
JPS57192917A (en) * 1981-05-25 1982-11-27 Konishiroku Photo Ind Co Ltd Compact zoom lens
JPS58140710A (ja) * 1982-02-16 1983-08-20 Canon Inc 高変倍ズ−ムレンズ系
JPS58153912A (ja) * 1982-03-09 1983-09-13 Canon Inc ズ−ムレンズ
JPS58202416A (ja) * 1982-05-19 1983-11-25 Minolta Camera Co Ltd 広角域を含む高変倍比ズ−ムレンズ系
JPS58224323A (ja) * 1982-06-23 1983-12-26 Asahi Optical Co Ltd ズ−ムレンズ
JPS5993411A (ja) * 1982-11-19 1984-05-29 Canon Inc ズ−ムレンズ
JPS6039613A (ja) * 1983-08-12 1985-03-01 Minolta Camera Co Ltd 広角域を含む高変倍率ズ−ムレンズ系
US5388004A (en) * 1992-02-04 1995-02-07 Konica Corporation Wide angle high magnification zoom lens having fixed group with positive refractive power
US5442485A (en) * 1992-10-15 1995-08-15 Olympus Optical Co., Ltd. Zoom lens system
US5956184A (en) * 1996-09-04 1999-09-21 Nikon Corporation Zoom lens system having high zoom ratio
US6483648B1 (en) 1999-09-10 2002-11-19 Olympus Optical Co., Ltd. Zoom lens
US7922653B2 (en) 2003-08-29 2011-04-12 Olympus Corporation Medical system

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5878114A (ja) * 1981-11-04 1983-05-11 Nippon Kogaku Kk <Nikon> 広画角を含むズ−ムレンズ
JPS6079319A (ja) * 1983-10-06 1985-05-07 Canon Inc 高変倍ズ−ムレンズ
JPS60222814A (ja) * 1984-04-19 1985-11-07 Canon Inc ズ−ムレンズ
JPS613113A (ja) * 1984-06-15 1986-01-09 Canon Inc ズ−ムレンズ
US4896950A (en) * 1987-02-20 1990-01-30 Canon Kabushiki Kaisha Zoom lens of high power varying ratio
US4756609A (en) * 1987-07-13 1988-07-12 Eastman Kodak Company Four component compact zoom lens
JP3309998B2 (ja) * 1991-10-09 2002-07-29 株式会社リコー コンパクトなズームレンズ
JP3167069B2 (ja) * 1993-11-30 2001-05-14 キヤノン株式会社 ズームレンズ
JPH07270685A (ja) * 1994-03-29 1995-10-20 Nikon Corp ズームレンズ
US5978150A (en) * 1995-06-01 1999-11-02 Nikon Corporation Zoom lens
JPH09325273A (ja) * 1996-06-06 1997-12-16 Olympus Optical Co Ltd 内視鏡用ズーム撮像光学系
JPH10111457A (ja) * 1996-10-07 1998-04-28 Nikon Corp ズームレンズ
JP2001056436A (ja) * 1999-08-19 2001-02-27 Ricoh Co Ltd ズームレンズ
JP4156777B2 (ja) * 2000-05-23 2008-09-24 オリンパス株式会社 ズームレンズ
JP3524482B2 (ja) 2000-09-26 2004-05-10 キヤノン株式会社 ズームレンズ及びそれを用いた光学機器
JP2003066334A (ja) * 2001-08-29 2003-03-05 Pentax Corp 高変倍ズームレンズ系
JP6344965B2 (ja) * 2014-05-08 2018-06-20 キヤノン株式会社 光学系及びそれを有する撮像装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4923912A (ja) * 1972-07-03 1974-03-02
JPS5334539A (en) * 1976-09-13 1978-03-31 Tokina Optical Wide angle high zoom ratio zoom system
JPS54151027A (en) * 1978-05-19 1979-11-27 Sigma Kk Small wide angle zoom lens

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3185029A (en) 1961-01-23 1965-05-25 Bausch & Lomb Linear zoom optical system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4923912A (ja) * 1972-07-03 1974-03-02
JPS5334539A (en) * 1976-09-13 1978-03-31 Tokina Optical Wide angle high zoom ratio zoom system
JPS54151027A (en) * 1978-05-19 1979-11-27 Sigma Kk Small wide angle zoom lens

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57164709A (en) * 1981-04-03 1982-10-09 Konishiroku Photo Ind Co Ltd Compact and high variable magnification zoom lens
JPS57192917A (en) * 1981-05-25 1982-11-27 Konishiroku Photo Ind Co Ltd Compact zoom lens
JPS58140710A (ja) * 1982-02-16 1983-08-20 Canon Inc 高変倍ズ−ムレンズ系
JPS58153912A (ja) * 1982-03-09 1983-09-13 Canon Inc ズ−ムレンズ
JPS58202416A (ja) * 1982-05-19 1983-11-25 Minolta Camera Co Ltd 広角域を含む高変倍比ズ−ムレンズ系
JPS58224323A (ja) * 1982-06-23 1983-12-26 Asahi Optical Co Ltd ズ−ムレンズ
JPS5993411A (ja) * 1982-11-19 1984-05-29 Canon Inc ズ−ムレンズ
JPS6039613A (ja) * 1983-08-12 1985-03-01 Minolta Camera Co Ltd 広角域を含む高変倍率ズ−ムレンズ系
US5388004A (en) * 1992-02-04 1995-02-07 Konica Corporation Wide angle high magnification zoom lens having fixed group with positive refractive power
US5442485A (en) * 1992-10-15 1995-08-15 Olympus Optical Co., Ltd. Zoom lens system
US5956184A (en) * 1996-09-04 1999-09-21 Nikon Corporation Zoom lens system having high zoom ratio
US6483648B1 (en) 1999-09-10 2002-11-19 Olympus Optical Co., Ltd. Zoom lens
US7922653B2 (en) 2003-08-29 2011-04-12 Olympus Corporation Medical system

Also Published As

Publication number Publication date
GB2078997B (en) 1984-12-12
US4437732A (en) 1984-03-20
JPS5833531B2 (ja) 1983-07-20
GB2078997A (en) 1982-01-13

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