FR757898A - Device for measuring the exposure time for cameras - Google Patents

Device for measuring the exposure time for cameras

Info

Publication number
FR757898A
FR757898A FR757898DA FR757898A FR 757898 A FR757898 A FR 757898A FR 757898D A FR757898D A FR 757898DA FR 757898 A FR757898 A FR 757898A
Authority
FR
France
Prior art keywords
cameras
measuring
exposure time
exposure
time
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.)
Ernst Leitz Wetzlar GmbH
Original Assignee
Ernst Leitz Wetzlar GmbH
Ernst Leitz GmbH
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 Ernst Leitz Wetzlar GmbH, Ernst Leitz GmbH filed Critical Ernst Leitz Wetzlar GmbH
Application granted granted Critical
Publication of FR757898A publication Critical patent/FR757898A/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
    • G03B7/02—Control effected by setting a graduated member on the camera in accordance with indication or reading afforded by a light meter, which may be either separate from or built into camera body

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR757898D 1932-07-04 1933-07-03 Device for measuring the exposure time for cameras Expired FR757898A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE757898X 1932-07-04

Publications (1)

Publication Number Publication Date
FR757898A true FR757898A (en) 1934-01-05

Family

ID=6660144

Family Applications (1)

Application Number Title Priority Date Filing Date
FR757898D Expired FR757898A (en) 1932-07-04 1933-07-03 Device for measuring the exposure time for cameras

Country Status (1)

Country Link
FR (1) FR757898A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3001460A (en) * 1957-07-20 1961-09-26 Leitz Ernst Gmbh Exposure meter for photographic or cinematographic purposes
US3760700A (en) * 1971-12-14 1973-09-25 W Hahn Single-lens reflex camera

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3001460A (en) * 1957-07-20 1961-09-26 Leitz Ernst Gmbh Exposure meter for photographic or cinematographic purposes
US3760700A (en) * 1971-12-14 1973-09-25 W Hahn Single-lens reflex camera

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