JPH0533367B2 - - Google Patents

Info

Publication number
JPH0533367B2
JPH0533367B2 JP58122856A JP12285683A JPH0533367B2 JP H0533367 B2 JPH0533367 B2 JP H0533367B2 JP 58122856 A JP58122856 A JP 58122856A JP 12285683 A JP12285683 A JP 12285683A JP H0533367 B2 JPH0533367 B2 JP H0533367B2
Authority
JP
Japan
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
JP58122856A
Other languages
Japanese (ja)
Other versions
JPS6014213A (en
Inventor
Juto Takahashi
Original Assignee
Nippon Kogaku Kk
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 Nippon Kogaku Kk filed Critical Nippon Kogaku Kk
Priority to JP58122856A priority Critical patent/JPH0533367B2/ja
Priority claimed from US06/626,989 external-priority patent/US4632519A/en
Publication of JPS6014213A publication Critical patent/JPS6014213A/en
Publication of JPH0533367B2 publication Critical patent/JPH0533367B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B15/00Optical objectives with means for varying the magnification
    • G02B15/14Optical 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
    • G02B15/144Optical 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
    • G02B15/1441Optical 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
    • G02B15/144113Optical 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 +-++
JP58122856A 1983-07-06 1983-07-06 Expired - Lifetime JPH0533367B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58122856A JPH0533367B2 (en) 1983-07-06 1983-07-06

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP58122856A JPH0533367B2 (en) 1983-07-06 1983-07-06
US06/626,989 US4632519A (en) 1983-07-06 1984-07-02 Zoom lens including a wide angle of view

Publications (2)

Publication Number Publication Date
JPS6014213A JPS6014213A (en) 1985-01-24
JPH0533367B2 true JPH0533367B2 (en) 1993-05-19

Family

ID=14846331

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58122856A Expired - Lifetime JPH0533367B2 (en) 1983-07-06 1983-07-06

Country Status (1)

Country Link
JP (1) JPH0533367B2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH071334B2 (en) * 1985-05-15 1995-01-11 オリンパス光学工業株式会社 Zoom lenses
JPS61202720U (en) * 1985-06-07 1986-12-19
JPH0371571B2 (en) * 1985-06-28 1991-11-13 Daikin Mfg Co Ltd
JPS6256623A (en) * 1985-09-05 1987-03-12 Aisin Seiki Co Ltd Damper disc
JPH07104486B2 (en) * 1986-03-11 1995-11-13 オリンパス光学工業株式会社 Zoom lenses
JP2783667B2 (en) * 1990-10-22 1998-08-06 キヤノン株式会社 Zoom lens
US5694253A (en) * 1995-02-02 1997-12-02 Nikon Corporation High zoom ratio zoom lens
JP3584107B2 (en) * 1996-01-06 2004-11-04 キヤノン株式会社 Zoom lens

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56133713A (en) * 1980-03-24 1981-10-20 Asahi Optical Co Ltd Zoom lens
JPS57161804A (en) * 1981-03-31 1982-10-05 Tokinaa Kogaku Kk Zoom lens system
JPS57169716A (en) * 1981-04-10 1982-10-19 Minolta Camera Co Ltd Zoom lens system of high variable magnification including wide angle region

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56133713A (en) * 1980-03-24 1981-10-20 Asahi Optical Co Ltd Zoom lens
JPS57161804A (en) * 1981-03-31 1982-10-05 Tokinaa Kogaku Kk Zoom lens system
JPS57169716A (en) * 1981-04-10 1982-10-19 Minolta Camera Co Ltd Zoom lens system of high variable magnification including wide angle region

Also Published As

Publication number Publication date
JPS6014213A (en) 1985-01-24

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