FR1312255A - Camera with viewfinder and mirror system and device for measuring exposure time - Google Patents

Camera with viewfinder and mirror system and device for measuring exposure time

Info

Publication number
FR1312255A
FR1312255A FR884559A FR884559A FR1312255A FR 1312255 A FR1312255 A FR 1312255A FR 884559 A FR884559 A FR 884559A FR 884559 A FR884559 A FR 884559A FR 1312255 A FR1312255 A FR 1312255A
Authority
FR
France
Prior art keywords
viewfinder
camera
exposure time
mirror system
measuring exposure
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
FR884559A
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 FR884559A priority Critical patent/FR1312255A/en
Application granted granted Critical
Publication of FR1312255A publication Critical patent/FR1312255A/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)
FR884559A 1962-01-11 1962-01-11 Camera with viewfinder and mirror system and device for measuring exposure time Expired FR1312255A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR884559A FR1312255A (en) 1962-01-11 1962-01-11 Camera with viewfinder and mirror system and device for measuring exposure time

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR884559A FR1312255A (en) 1962-01-11 1962-01-11 Camera with viewfinder and mirror system and device for measuring exposure time

Publications (1)

Publication Number Publication Date
FR1312255A true FR1312255A (en) 1962-12-14

Family

ID=8770295

Family Applications (1)

Application Number Title Priority Date Filing Date
FR884559A Expired FR1312255A (en) 1962-01-11 1962-01-11 Camera with viewfinder and mirror system and device for measuring exposure time

Country Status (1)

Country Link
FR (1) FR1312255A (en)

Cited By (2)

* 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
DE1274437B (en) * 1963-10-18 1968-08-01 Metallwerk Glockerau G M B H Viewfinder reflex attachment for single lens reflex cameras

Cited By (2)

* 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
DE1274437B (en) * 1963-10-18 1968-08-01 Metallwerk Glockerau G M B H Viewfinder reflex attachment for single lens reflex cameras

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