JPS4932652A - - Google Patents

Info

Publication number
JPS4932652A
JPS4932652A JP7203272A JP7203272A JPS4932652A JP S4932652 A JPS4932652 A JP S4932652A JP 7203272 A JP7203272 A JP 7203272A JP 7203272 A JP7203272 A JP 7203272A JP S4932652 A JPS4932652 A JP S4932652A
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.)
Granted
Application number
JP7203272A
Other languages
Japanese (ja)
Other versions
JPS5113663B2 (th
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 JP7203272A priority Critical patent/JPS5113663B2/ja
Priority to DE19732336823 priority patent/DE2336823C2/de
Priority to GB3468573A priority patent/GB1418386A/en
Publication of JPS4932652A publication Critical patent/JPS4932652A/ja
Priority to US05/543,276 priority patent/US3970367A/en
Publication of JPS5113663B2 publication Critical patent/JPS5113663B2/ja
Expired 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
    • G02B15/22—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 with movable lens means specially adapted for focusing at close distances

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP7203272A 1972-07-20 1972-07-20 Expired JPS5113663B2 (th)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP7203272A JPS5113663B2 (th) 1972-07-20 1972-07-20
DE19732336823 DE2336823C2 (de) 1972-07-20 1973-07-19 Vario-Objektiv
GB3468573A GB1418386A (en) 1972-07-20 1973-07-20 Zoom lens systems
US05/543,276 US3970367A (en) 1972-07-20 1975-01-23 Zoom lens system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7203272A JPS5113663B2 (th) 1972-07-20 1972-07-20

Publications (2)

Publication Number Publication Date
JPS4932652A true JPS4932652A (th) 1974-03-25
JPS5113663B2 JPS5113663B2 (th) 1976-05-01

Family

ID=13477649

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7203272A Expired JPS5113663B2 (th) 1972-07-20 1972-07-20

Country Status (3)

Country Link
JP (1) JPS5113663B2 (th)
DE (1) DE2336823C2 (th)
GB (1) GB1418386A (th)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5134741A (ja) * 1974-09-19 1976-03-24 Konishiroku Photo Ind Junkokakuzuumurenzu
JPS52120850A (en) * 1976-04-02 1977-10-11 Elmo Co Ltd Zoom lens having high zoom ratio and large relative aperture
JPS5866908A (ja) * 1981-10-16 1983-04-21 Canon Inc コンパクトな望遠ズ−ムレンズ

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5832365B2 (ja) * 1974-05-09 1983-07-12 キヤノン株式会社 ズ−ムレンズソウチ
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
JPS62189047U (th) * 1986-05-20 1987-12-01

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3507555A (en) * 1967-04-03 1970-04-21 Nippon Kogaku Kk Zoom lens optical system
US3615125A (en) * 1967-07-04 1971-10-26 Nippon Kogaku Kk Compact telephoto type zoom lens
US3547523A (en) * 1967-07-13 1970-12-15 Konishiroku Photo Ind Zoom objective lens system with highly reduced secondary chromatic aberration

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5134741A (ja) * 1974-09-19 1976-03-24 Konishiroku Photo Ind Junkokakuzuumurenzu
JPS5513006B2 (th) * 1974-09-19 1980-04-05
JPS52120850A (en) * 1976-04-02 1977-10-11 Elmo Co Ltd Zoom lens having high zoom ratio and large relative aperture
JPS5653731B2 (th) * 1976-04-02 1981-12-21
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
DE2336823C2 (de) 1982-06-03
DE2336823A1 (de) 1974-01-31
JPS5113663B2 (th) 1976-05-01
GB1418386A (en) 1975-12-17

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