FR603157A - Viseur photographique universel - Google Patents

Viseur photographique universel

Info

Publication number
FR603157A
FR603157A FR603157DA FR603157A FR 603157 A FR603157 A FR 603157A FR 603157D A FR603157D A FR 603157DA FR 603157 A FR603157 A FR 603157A
Authority
FR
France
Prior art keywords
viewfinder
universal
universal photographic
photographic viewfinder
photographic
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
English (en)
Inventor
Gustave Coin
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 FR603157A publication Critical patent/FR603157A/fr
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
    • G03B13/18—Focusing aids
    • G03B13/20—Rangefinders coupled with focusing arrangements, e.g. adjustment of rangefinder automatically focusing camera

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR603157D 1925-09-15 1925-09-15 Viseur photographique universel Expired FR603157A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR603157T 1925-09-15

Publications (1)

Publication Number Publication Date
FR603157A true FR603157A (fr) 1926-04-10

Family

ID=8972475

Family Applications (1)

Application Number Title Priority Date Filing Date
FR603157D Expired FR603157A (fr) 1925-09-15 1925-09-15 Viseur photographique universel

Country Status (1)

Country Link
FR (1) FR603157A (fr)

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