JPS49141841U - - Google Patents

Info

Publication number
JPS49141841U
JPS49141841U JP4012473U JP4012473U JPS49141841U JP S49141841 U JPS49141841 U JP S49141841U JP 4012473 U JP4012473 U JP 4012473U JP 4012473 U JP4012473 U JP 4012473U JP S49141841 U JPS49141841 U JP S49141841U
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
JP4012473U
Other languages
Japanese (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 JP4012473U priority Critical patent/JPS49141841U/ja
Priority to FR7411815A priority patent/FR2224768B1/fr
Priority to DE19742416400 priority patent/DE2416400A1/de
Priority to GB1492574A priority patent/GB1461614A/en
Publication of JPS49141841U publication Critical patent/JPS49141841U/ja
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
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00Optical objectives specially designed for the purposes specified below
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00Details of cameras or camera bodies; Accessories therefor
    • G03B17/02Bodies
    • G03B17/12Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
    • G03B17/14Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets interchangeably

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP4012473U 1973-04-04 1973-04-04 Pending JPS49141841U (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP4012473U JPS49141841U (de) 1973-04-04 1973-04-04
FR7411815A FR2224768B1 (de) 1973-04-04 1974-04-03
DE19742416400 DE2416400A1 (de) 1973-04-04 1974-04-04 Zoomobjektiv
GB1492574A GB1461614A (en) 1973-04-04 1974-04-04 Zoom lenses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4012473U JPS49141841U (de) 1973-04-04 1973-04-04

Publications (1)

Publication Number Publication Date
JPS49141841U true JPS49141841U (de) 1974-12-06

Family

ID=12572061

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4012473U Pending JPS49141841U (de) 1973-04-04 1973-04-04

Country Status (4)

Country Link
JP (1) JPS49141841U (de)
DE (1) DE2416400A1 (de)
FR (1) FR2224768B1 (de)
GB (1) GB1461614A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57186872A (en) * 1981-05-13 1982-11-17 Hitachi Ltd Auto-focusing device of video camera

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3659921A (en) * 1969-07-26 1972-05-02 Canon Kk Zoom lens capable of extreme closeup photography

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3659921A (en) * 1969-07-26 1972-05-02 Canon Kk Zoom lens capable of extreme closeup photography

Also Published As

Publication number Publication date
FR2224768A1 (de) 1974-10-31
GB1461614A (en) 1977-01-13
DE2416400A1 (de) 1974-10-24
FR2224768B1 (de) 1976-12-17

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