JPS5114034A - - Google Patents

Info

Publication number
JPS5114034A
JPS5114034A JP49084945A JP8494574A JPS5114034A JP S5114034 A JPS5114034 A JP S5114034A JP 49084945 A JP49084945 A JP 49084945A JP 8494574 A JP8494574 A JP 8494574A JP S5114034 A JPS5114034 A JP S5114034A
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.)
Pending
Application number
JP49084945A
Other languages
Japanese (ja)
Inventor
Eiichi Takano
Keiji Ikemori
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.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Priority to JP49084945A priority Critical patent/JPS5114034A/ja
Priority to DE2533194A priority patent/DE2533194C3/en
Publication of JPS5114034A publication Critical patent/JPS5114034A/ja
Pending 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
    • 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
JP49084945A 1974-07-24 1974-07-24 Pending JPS5114034A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP49084945A JPS5114034A (en) 1974-07-24 1974-07-24
DE2533194A DE2533194C3 (en) 1974-07-24 1975-07-24 Varifocal lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49084945A JPS5114034A (en) 1974-07-24 1974-07-24

Publications (1)

Publication Number Publication Date
JPS5114034A true JPS5114034A (en) 1976-02-04

Family

ID=13844772

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49084945A Pending JPS5114034A (en) 1974-07-24 1974-07-24

Country Status (2)

Country Link
JP (1) JPS5114034A (en)
DE (1) DE2533194C3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5583700A (en) * 1993-03-31 1996-12-10 Canon Kabushiki Kaisha Zoom lens

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5264965A (en) * 1991-02-15 1993-11-23 Asahi Kogaku Kogyo Kabushiki Kaisha Zoom lens
US6122111A (en) * 1997-07-25 2000-09-19 Panavision, Inc. High performance zoom lens system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4966354A (en) * 1972-09-14 1974-06-27

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4966354A (en) * 1972-09-14 1974-06-27

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5583700A (en) * 1993-03-31 1996-12-10 Canon Kabushiki Kaisha Zoom lens
US5751497A (en) * 1993-03-31 1998-05-12 Canon Kabushiki Kaisha Zoom lens

Also Published As

Publication number Publication date
DE2533194A1 (en) 1976-02-12
DE2533194C3 (en) 1978-05-03
DE2533194B2 (en) 1977-09-15

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