FR892373A - Automatic parallax correction in the clear viewfinders of cinematographic cameras - Google Patents

Automatic parallax correction in the clear viewfinders of cinematographic cameras

Info

Publication number
FR892373A
FR892373A FR892373DA FR892373A FR 892373 A FR892373 A FR 892373A FR 892373D A FR892373D A FR 892373DA FR 892373 A FR892373 A FR 892373A
Authority
FR
France
Prior art keywords
viewfinders
clear
parallax correction
cinematographic cameras
automatic parallax
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)
Inventor
Gaston-Jean-Baptiste Madru
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
Application granted granted Critical
Publication of FR892373A publication Critical patent/FR892373A/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
FR892373D 1943-03-15 1943-03-15 Automatic parallax correction in the clear viewfinders of cinematographic cameras Expired FR892373A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR892373T 1943-03-15

Publications (1)

Publication Number Publication Date
FR892373A true FR892373A (en) 1944-04-05

Family

ID=9389567

Family Applications (1)

Application Number Title Priority Date Filing Date
FR892373D Expired FR892373A (en) 1943-03-15 1943-03-15 Automatic parallax correction in the clear viewfinders of cinematographic cameras

Country Status (1)

Country Link
FR (1) FR892373A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4134656A (en) * 1976-09-22 1979-01-16 Fuji Photo Optical Co., Ltd. Means for transmitting information from lens barrel to camera body

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4134656A (en) * 1976-09-22 1979-01-16 Fuji Photo Optical Co., Ltd. Means for transmitting information from lens barrel to camera body

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