JPS5562422A - Zoom lens - Google Patents

Zoom lens

Info

Publication number
JPS5562422A
JPS5562422A JP11662479A JP11662479A JPS5562422A JP S5562422 A JPS5562422 A JP S5562422A JP 11662479 A JP11662479 A JP 11662479A JP 11662479 A JP11662479 A JP 11662479A JP S5562422 A JPS5562422 A JP S5562422A
Authority
JP
Japan
Prior art keywords
zoom lens
zoom
lens
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.)
Pending
Application number
JP11662479A
Other languages
Japanese (ja)
Inventor
Ai Betensukii Erisu
Etsuchi Kureitsuaa Merubin
Original Assignee
Optigon Res & Dev Corp
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
Priority to US94153078A priority Critical
Application filed by Optigon Res & Dev Corp filed Critical Optigon Res & Dev Corp
Publication of JPS5562422A publication Critical patent/JPS5562422A/en
Pending 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
    • G02B15/22Optical 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 with movable lens means specially adapted for focusing at close distances
JP11662479A 1978-09-11 1979-09-11 Zoom lens Pending JPS5562422A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US94153078A true 1978-09-11 1978-09-11

Publications (1)

Publication Number Publication Date
JPS5562422A true JPS5562422A (en) 1980-05-10

Family

ID=25476641

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11662479A Pending JPS5562422A (en) 1978-09-11 1979-09-11 Zoom lens

Country Status (2)

Country Link
JP (1) JPS5562422A (en)
DE (1) DE2936676A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56155913A (en) * 1980-04-25 1981-12-02 Minolta Camera Co Ltd Zoom lens system
JPS5854312A (en) * 1981-09-28 1983-03-31 Nippon Kogaku Kk <Nikon> High-aperture ratio zoom lens constituted of four groups
JPS5866908A (en) * 1981-10-16 1983-04-21 Canon Inc Compact telephoto zoom lens
JPS58137815A (en) * 1982-02-10 1983-08-16 Olympus Optical Co Ltd Zoom lens

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6151772B2 (en) * 1981-06-19 1986-11-10 Nippon Kogaku Kk

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56155913A (en) * 1980-04-25 1981-12-02 Minolta Camera Co Ltd Zoom lens system
JPH0146846B2 (en) * 1980-04-25 1989-10-11 Minolta Camera Kk
JPS5854312A (en) * 1981-09-28 1983-03-31 Nippon Kogaku Kk <Nikon> High-aperture ratio zoom lens constituted of four groups
JPS6358324B2 (en) * 1981-09-28 1988-11-15 Nippon Kogaku Kk
JPS5866908A (en) * 1981-10-16 1983-04-21 Canon Inc Compact telephoto zoom lens
JPS58137815A (en) * 1982-02-10 1983-08-16 Olympus Optical Co Ltd Zoom lens
JPS6235652B2 (en) * 1982-02-10 1987-08-03 Olympus Optical Co

Also Published As

Publication number Publication date
DE2936676A1 (en) 1980-03-20

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