FR1081317A - Reflective mirror camera, with illumination measurement by the shooting lens - Google Patents

Reflective mirror camera, with illumination measurement by the shooting lens

Info

Publication number
FR1081317A
FR1081317A FR1081317DA FR1081317A FR 1081317 A FR1081317 A FR 1081317A FR 1081317D A FR1081317D A FR 1081317DA FR 1081317 A FR1081317 A FR 1081317A
Authority
FR
France
Prior art keywords
reflective mirror
shooting lens
mirror camera
illumination measurement
illumination
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)
Inventor
Fritz Meyer
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 FR1081317A publication Critical patent/FR1081317A/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
    • G03B7/09977—Through the lens [TTL] measuring in mirror-reflex cameras with a movable light-measuring element
    • 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)
FR1081317D 1952-08-04 1953-07-15 Reflective mirror camera, with illumination measurement by the shooting lens Expired FR1081317A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE314355X 1952-08-04

Publications (1)

Publication Number Publication Date
FR1081317A true FR1081317A (en) 1954-12-17

Family

ID=6145479

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1081317D Expired FR1081317A (en) 1952-08-04 1953-07-15 Reflective mirror camera, with illumination measurement by the shooting lens

Country Status (3)

Country Link
CH (1) CH314355A (en)
FR (1) FR1081317A (en)
GB (1) GB777106A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2914997A (en) * 1956-10-03 1959-12-01 Polaroid Corp Combined range and view finder for cameras

Also Published As

Publication number Publication date
CH314355A (en) 1956-06-15
GB777106A (en) 1957-06-19

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