AT262755B - Telescopic viewfinder - Google Patents

Telescopic viewfinder

Info

Publication number
AT262755B
AT262755B AT203865A AT203865A AT262755B AT 262755 B AT262755 B AT 262755B AT 203865 A AT203865 A AT 203865A AT 203865 A AT203865 A AT 203865A AT 262755 B AT262755 B AT 262755B
Authority
AT
Austria
Prior art keywords
telescopic viewfinder
viewfinder
telescopic
Prior art date
Application number
AT203865A
Other languages
German (de)
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 AT262755B publication Critical patent/AT262755B/en

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
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/099—Arrangement of photoelectric elements in or on the camera
    • G03B7/0993—Arrangement of photoelectric elements in or on the camera in the camera
    • G03B7/0997—Through the lens [TTL] measuring
    • G03B7/09971—Through the lens [TTL] measuring in mirror-reflex cameras
    • G03B7/09978—Protection against viewer backlight or integration of the viewer light into the measured light
    • 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
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/099—Arrangement of photoelectric elements in or on the camera
    • G03B7/0993—Arrangement of photoelectric elements in or on the camera in the camera
    • G03B7/0997—Through the lens [TTL] measuring
    • G03B7/09971—Through the lens [TTL] measuring in mirror-reflex cameras
    • G03B7/09976—Through the lens [TTL] measuring in mirror-reflex cameras the sensor being mounted in, before, or behind the porro-prism

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Viewfinders (AREA)
  • Cameras In General (AREA)
AT203865A 1964-04-28 1965-03-08 Telescopic viewfinder AT262755B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEZ0010805 1964-04-28
DEZ0011138 1964-10-24

Publications (1)

Publication Number Publication Date
AT262755B true AT262755B (en) 1968-06-25

Family

ID=26003559

Family Applications (1)

Application Number Title Priority Date Filing Date
AT203865A AT262755B (en) 1964-04-28 1965-03-08 Telescopic viewfinder

Country Status (2)

Country Link
AT (1) AT262755B (en)
CH (1) CH428256A (en)

Also Published As

Publication number Publication date
CH428256A (en) 1967-01-15

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