FR764856A - Improvements to viewfinders for photographic or cinematographic cameras - Google Patents

Improvements to viewfinders for photographic or cinematographic cameras

Info

Publication number
FR764856A
FR764856A FR764856DA FR764856A FR 764856 A FR764856 A FR 764856A FR 764856D A FR764856D A FR 764856DA FR 764856 A FR764856 A FR 764856A
Authority
FR
France
Prior art keywords
viewfinders
photographic
cinematographic cameras
cinematographic
cameras
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.)
Expired
Application number
Other languages
French (fr)
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.)
I O M AS
Original Assignee
I O M AS
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 I O M AS filed Critical I O M AS
Application granted granted Critical
Publication of FR764856A publication Critical patent/FR764856A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/14—Viewfinders

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR764856D 1933-02-24 1933-02-24 Improvements to viewfinders for photographic or cinematographic cameras Expired FR764856A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR764856T 1933-02-24

Publications (1)

Publication Number Publication Date
FR764856A true FR764856A (en) 1934-05-29

Family

ID=9182414

Family Applications (1)

Application Number Title Priority Date Filing Date
FR764856D Expired FR764856A (en) 1933-02-24 1933-02-24 Improvements to viewfinders for photographic or cinematographic cameras

Country Status (1)

Country Link
FR (1) FR764856A (en)

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