JPS6151297B2 - - Google Patents

Info

Publication number
JPS6151297B2
JPS6151297B2 JP56078658A JP7865881A JPS6151297B2 JP S6151297 B2 JPS6151297 B2 JP S6151297B2 JP 56078658 A JP56078658 A JP 56078658A JP 7865881 A JP7865881 A JP 7865881A JP S6151297 B2 JPS6151297 B2 JP S6151297B2
Authority
JP
Japan
Prior art keywords
lens component
lens
focal length
positive
component
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
Application number
JP56078658A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57195213A (en
Inventor
Hisao Fujita
Shozo Ishama
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 JP56078658A priority Critical patent/JPS57195213A/ja
Priority to US06/381,311 priority patent/US4501475A/en
Publication of JPS57195213A publication Critical patent/JPS57195213A/ja
Publication of JPS6151297B2 publication Critical patent/JPS6151297B2/ja
Granted 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
    • G02B15/145129—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)
JP56078658A 1981-05-25 1981-05-26 Compact zoom lens Granted JPS57195213A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP56078658A JPS57195213A (en) 1981-05-26 1981-05-26 Compact zoom lens
US06/381,311 US4501475A (en) 1981-05-25 1982-05-24 Zoom lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56078658A JPS57195213A (en) 1981-05-26 1981-05-26 Compact zoom lens

Publications (2)

Publication Number Publication Date
JPS57195213A JPS57195213A (en) 1982-11-30
JPS6151297B2 true JPS6151297B2 (en, 2012) 1986-11-08

Family

ID=13667954

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56078658A Granted JPS57195213A (en) 1981-05-25 1981-05-26 Compact zoom lens

Country Status (1)

Country Link
JP (1) JPS57195213A (en, 2012)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58179809A (ja) * 1982-04-15 1983-10-21 Canon Inc ズ−ムレンズ
JPS58150926A (ja) * 1982-03-04 1983-09-07 Canon Inc ズ−ムレンズ
JPS5993411A (ja) * 1982-11-19 1984-05-29 Canon Inc ズ−ムレンズ
JPS62186216A (ja) * 1986-02-12 1987-08-14 Sigma:Kk コンパクトな高倍率ズ−ムレンズ
JP3296876B2 (ja) * 1993-03-26 2002-07-02 オリンパス光学工業株式会社 ズームレンズ
JP2002098893A (ja) * 2000-09-26 2002-04-05 Minolta Co Ltd 撮像レンズ装置
US6721105B2 (en) * 2001-12-12 2004-04-13 Nikon Corporation Zoom lens system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5832684B2 (ja) * 1977-07-30 1983-07-14 旭光学工業株式会社 高変倍率を有する広角ズ−ムレンズ系
JPS5515102A (en) * 1978-07-17 1980-02-02 Sigma:Kk High power telescopic zoom lens
JPS57192918A (en) * 1981-05-25 1982-11-27 Konishiroku Photo Ind Co Ltd Compact zoom lens

Also Published As

Publication number Publication date
JPS57195213A (en) 1982-11-30

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