JPH0430564B2 - - Google Patents

Info

Publication number
JPH0430564B2
JPH0430564B2 JP58122857A JP12285783A JPH0430564B2 JP H0430564 B2 JPH0430564 B2 JP H0430564B2 JP 58122857 A JP58122857 A JP 58122857A JP 12285783 A JP12285783 A JP 12285783A JP H0430564 B2 JPH0430564 B2 JP H0430564B2
Authority
JP
Japan
Prior art keywords
lens group
lens
focusing
distance
fluctuations
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
JP58122857A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6014214A (ja
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 filed Critical
Priority to JP58122857A priority Critical patent/JPS6014214A/ja
Priority to US06/626,989 priority patent/US4632519A/en
Publication of JPS6014214A publication Critical patent/JPS6014214A/ja
Publication of JPH0430564B2 publication Critical patent/JPH0430564B2/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
    • G02B15/144—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 four groups only
    • G02B15/1441—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 four groups only the first group being positive
    • G02B15/144113—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 four groups only the first group being positive arranged +-++

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP58122857A 1983-07-06 1983-07-06 広画角を含むズ−ムレンズ Granted JPS6014214A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP58122857A JPS6014214A (ja) 1983-07-06 1983-07-06 広画角を含むズ−ムレンズ
US06/626,989 US4632519A (en) 1983-07-06 1984-07-02 Zoom lens including a wide angle of view

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58122857A JPS6014214A (ja) 1983-07-06 1983-07-06 広画角を含むズ−ムレンズ

Publications (2)

Publication Number Publication Date
JPS6014214A JPS6014214A (ja) 1985-01-24
JPH0430564B2 true JPH0430564B2 (de) 1992-05-22

Family

ID=14846356

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58122857A Granted JPS6014214A (ja) 1983-07-06 1983-07-06 広画角を含むズ−ムレンズ

Country Status (1)

Country Link
JP (1) JPS6014214A (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH071334B2 (ja) * 1985-05-15 1995-01-11 オリンパス光学工業株式会社 ズ−ムレンズ
JPS63297438A (ja) * 1987-05-28 1988-12-05 Toyo Tire & Rubber Co Ltd タイヤトレッド用ゴム組成物
JP2783667B2 (ja) * 1990-10-22 1998-08-06 キヤノン株式会社 ズームレンズ
JP3387687B2 (ja) * 1995-03-13 2003-03-17 キヤノン株式会社 ズームレンズ
JP3584107B2 (ja) * 1996-01-06 2004-11-04 キヤノン株式会社 ズームレンズ
WO2015040867A1 (ja) * 2013-09-20 2015-03-26 パナソニックＩｐマネジメント株式会社 撮像光学系
WO2016194111A1 (ja) * 2015-06-01 2016-12-08 オリンパス株式会社 単焦点光学系及びそれを備えた光学装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5188243A (de) * 1974-12-20 1976-08-02
JPS5382434A (en) * 1976-12-28 1978-07-20 Seiko Epson Corp Surface covered plastic spectacle lens
JPS55140810A (en) * 1979-04-20 1980-11-04 Canon Inc Telephoto lens
JPS5866908A (ja) * 1981-10-16 1983-04-21 Canon Inc コンパクトな望遠ズ−ムレンズ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5188243A (de) * 1974-12-20 1976-08-02
JPS5382434A (en) * 1976-12-28 1978-07-20 Seiko Epson Corp Surface covered plastic spectacle lens
JPS55140810A (en) * 1979-04-20 1980-11-04 Canon Inc Telephoto lens
JPS5866908A (ja) * 1981-10-16 1983-04-21 Canon Inc コンパクトな望遠ズ−ムレンズ

Also Published As

Publication number Publication date
JPS6014214A (ja) 1985-01-24

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