FR814916A - Viewfinder for cameras with lenses of different focal points - Google Patents

Viewfinder for cameras with lenses of different focal points

Info

Publication number
FR814916A
FR814916A FR814916DA FR814916A FR 814916 A FR814916 A FR 814916A FR 814916D A FR814916D A FR 814916DA FR 814916 A FR814916 A FR 814916A
Authority
FR
France
Prior art keywords
viewfinder
lenses
cameras
focal points
different focal
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.)
Pathe Cinema SA
Original Assignee
Pathe Cinema SA
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 Pathe Cinema SA filed Critical Pathe Cinema SA
Application granted granted Critical
Publication of FR814916A publication Critical patent/FR814916A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS 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
    • G03B19/00—Cameras
    • G03B19/18—Motion-picture cameras

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR814916D 1936-03-10 1936-03-10 Viewfinder for cameras with lenses of different focal points Expired FR814916A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR814916T 1936-03-10

Publications (1)

Publication Number Publication Date
FR814916A true FR814916A (en) 1937-07-02

Family

ID=9266970

Family Applications (1)

Application Number Title Priority Date Filing Date
FR814916D Expired FR814916A (en) 1936-03-10 1936-03-10 Viewfinder for cameras with lenses of different focal points

Country Status (1)

Country Link
FR (1) FR814916A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE747112C (en) * 1937-12-11 1944-09-08 Zeiss Ikon Ag Device for setting the viewfinder field limitation in photographic cameras with interchangeable lenses

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE747112C (en) * 1937-12-11 1944-09-08 Zeiss Ikon Ag Device for setting the viewfinder field limitation in photographic cameras with interchangeable lenses

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