BE523785A - - Google Patents

Info

Publication number
BE523785A
BE523785A BE523785DA BE523785A BE 523785 A BE523785 A BE 523785A BE 523785D A BE523785D A BE 523785DA BE 523785 A BE523785 A BE 523785A
Authority
BE
Belgium
Prior art keywords
notches
diaphragm
exposure
coupling
scale
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE523785A publication Critical patent/BE523785A/fr

Links

Classifications

    • 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
    • G03B9/00Exposure-making shutters; Diaphragms
    • G03B9/08Shutters
    • G03B9/10Blade or disc rotating or pivoting about axis normal to its plane
    • G03B9/18More than two members
    • G03B9/22More than two members each moving in one direction to open and then in opposite direction to close, e.g. iris type

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
BE523785D BE523785A (bs)

Publications (1)

Publication Number Publication Date
BE523785A true BE523785A (bs)

Family

ID=158610

Family Applications (1)

Application Number Title Priority Date Filing Date
BE523785D BE523785A (bs)

Country Status (1)

Country Link
BE (1) BE523785A (bs)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2874622A (en) * 1954-10-01 1959-02-24 Hans Deckel Photographic camera construction
US2887937A (en) * 1954-07-16 1959-05-26 Hans Deckel Interchangeable lens for photographic apparatus
US2887940A (en) * 1954-05-19 1959-05-26 Hans Deckel Photographic shutter
US2917984A (en) * 1956-03-01 1959-12-22 Voigtlaender Ag Device for the adjustment of exposure values in photographic cameras
US3066586A (en) * 1954-07-09 1962-12-04 Voigtlaender Ag Photographic camera

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2887940A (en) * 1954-05-19 1959-05-26 Hans Deckel Photographic shutter
US3066586A (en) * 1954-07-09 1962-12-04 Voigtlaender Ag Photographic camera
US2887937A (en) * 1954-07-16 1959-05-26 Hans Deckel Interchangeable lens for photographic apparatus
US2874622A (en) * 1954-10-01 1959-02-24 Hans Deckel Photographic camera construction
US2917984A (en) * 1956-03-01 1959-12-22 Voigtlaender Ag Device for the adjustment of exposure values in photographic cameras

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