FR1315377A - Device for measuring exposure time in photographic and cinematographic cameras, in particular in mirror-reflection cameras - Google Patents

Device for measuring exposure time in photographic and cinematographic cameras, in particular in mirror-reflection cameras

Info

Publication number
FR1315377A
FR1315377A FR888169A FR888169A FR1315377A FR 1315377 A FR1315377 A FR 1315377A FR 888169 A FR888169 A FR 888169A FR 888169 A FR888169 A FR 888169A FR 1315377 A FR1315377 A FR 1315377A
Authority
FR
France
Prior art keywords
cameras
photographic
mirror
exposure time
reflection
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
FR888169A
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.)
Kamera und Kinowerke Dresden VEB
Original Assignee
Kamera und Kinowerke Dresden VEB
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 Kamera und Kinowerke Dresden VEB filed Critical Kamera und Kinowerke Dresden VEB
Priority to FR888169A priority Critical patent/FR1315377A/en
Application granted granted Critical
Publication of FR1315377A publication Critical patent/FR1315377A/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
    • 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)
FR888169A 1962-02-15 1962-02-15 Device for measuring exposure time in photographic and cinematographic cameras, in particular in mirror-reflection cameras Expired FR1315377A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR888169A FR1315377A (en) 1962-02-15 1962-02-15 Device for measuring exposure time in photographic and cinematographic cameras, in particular in mirror-reflection cameras

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR888169A FR1315377A (en) 1962-02-15 1962-02-15 Device for measuring exposure time in photographic and cinematographic cameras, in particular in mirror-reflection cameras

Publications (1)

Publication Number Publication Date
FR1315377A true FR1315377A (en) 1963-01-18

Family

ID=8772799

Family Applications (1)

Application Number Title Priority Date Filing Date
FR888169A Expired FR1315377A (en) 1962-02-15 1962-02-15 Device for measuring exposure time in photographic and cinematographic cameras, in particular in mirror-reflection cameras

Country Status (1)

Country Link
FR (1) FR1315377A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1215506B (en) * 1964-06-05 1966-04-28 Elbe Kamera Gmbh Arrangement of several reflecting surfaces or prisms for light measurement, especially for film recording or reproduction cameras
DE1236924B (en) * 1966-01-28 1967-03-16 Elbe Kamera Gmbh SLR camera with photoelectric internal exposure measurement
US3315581A (en) * 1963-10-04 1967-04-25 Zeiss Ikon Ag Single lens mirror reflex camera provided with exposure meter
US3324776A (en) * 1963-12-24 1967-06-13 Asahi Optical Co Ltd Reflex camera with incorporated photoelectric element
DE1257012B (en) * 1963-07-12 1967-12-21 Zeiss Ikon Ag SLR camera with photo element
DE1274867B (en) * 1966-03-03 1968-08-08 Minolta Camera Kk Photoelectric device for light meters on single-lens reflex cameras
DE1291614B (en) * 1966-05-07 1969-03-27 Nippon Kogaku Kk Exposure meter, especially for a single-lens reflex camera

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1257012B (en) * 1963-07-12 1967-12-21 Zeiss Ikon Ag SLR camera with photo element
US3315581A (en) * 1963-10-04 1967-04-25 Zeiss Ikon Ag Single lens mirror reflex camera provided with exposure meter
US3324776A (en) * 1963-12-24 1967-06-13 Asahi Optical Co Ltd Reflex camera with incorporated photoelectric element
DE1215506B (en) * 1964-06-05 1966-04-28 Elbe Kamera Gmbh Arrangement of several reflecting surfaces or prisms for light measurement, especially for film recording or reproduction cameras
DE1236924B (en) * 1966-01-28 1967-03-16 Elbe Kamera Gmbh SLR camera with photoelectric internal exposure measurement
DE1274867B (en) * 1966-03-03 1968-08-08 Minolta Camera Kk Photoelectric device for light meters on single-lens reflex cameras
DE1291614B (en) * 1966-05-07 1969-03-27 Nippon Kogaku Kk Exposure meter, especially for a single-lens reflex camera

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