FR859458A - Frosted plate focus viewfinder for mirror reflex cameras - Google Patents

Frosted plate focus viewfinder for mirror reflex cameras

Info

Publication number
FR859458A
FR859458A FR859458DA FR859458A FR 859458 A FR859458 A FR 859458A FR 859458D A FR859458D A FR 859458DA FR 859458 A FR859458 A FR 859458A
Authority
FR
France
Prior art keywords
reflex cameras
mirror reflex
frosted plate
plate focus
focus viewfinder
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.)
Zeiss Ikon AG
Original Assignee
Zeiss Ikon AG
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 Zeiss Ikon AG filed Critical Zeiss Ikon AG
Application granted granted Critical
Publication of FR859458A publication Critical patent/FR859458A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B19/00Cameras
    • G03B19/02Still-picture cameras
    • G03B19/12Reflex cameras with single objective and a movable reflector or a partly-transmitting mirror

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR859458D 1938-09-08 1939-08-24 Frosted plate focus viewfinder for mirror reflex cameras Expired FR859458A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE859458X 1938-09-08

Publications (1)

Publication Number Publication Date
FR859458A true FR859458A (en) 1940-12-19

Family

ID=6790119

Family Applications (1)

Application Number Title Priority Date Filing Date
FR859458D Expired FR859458A (en) 1938-09-08 1939-08-24 Frosted plate focus viewfinder for mirror reflex cameras

Country Status (1)

Country Link
FR (1) FR859458A (en)

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