FR760677A - Improvements to viewfinders for cameras - Google Patents

Improvements to viewfinders for cameras

Info

Publication number
FR760677A
FR760677A FR760677DA FR760677A FR 760677 A FR760677 A FR 760677A FR 760677D A FR760677D A FR 760677DA FR 760677 A FR760677 A FR 760677A
Authority
FR
France
Prior art keywords
viewfinders
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.)
Ernst Leitz Wetzlar GmbH
Original Assignee
Ernst Leitz Wetzlar GmbH
Ernst Leitz GmbH
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 Ernst Leitz Wetzlar GmbH, Ernst Leitz GmbH filed Critical Ernst Leitz Wetzlar GmbH
Application granted granted Critical
Publication of FR760677A publication Critical patent/FR760677A/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
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/02—Viewfinders

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR760677D 1932-10-03 1933-09-11 Improvements to viewfinders for cameras Expired FR760677A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE760677X 1932-10-03

Publications (1)

Publication Number Publication Date
FR760677A true FR760677A (en) 1934-02-28

Family

ID=6662820

Family Applications (1)

Application Number Title Priority Date Filing Date
FR760677D Expired FR760677A (en) 1932-10-03 1933-09-11 Improvements to viewfinders for cameras

Country Status (1)

Country Link
FR (1) FR760677A (en)

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