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FR836868A - Photographic light meter - Google Patents

Photographic light meter

Info

Publication number
FR836868A
FR836868A FR836868DA FR836868A FR 836868 A FR836868 A FR 836868A FR 836868D A FR836868D A FR 836868DA FR 836868 A FR836868 A FR 836868A
Authority
FR
France
Prior art keywords
photographic light
light meter
meter
photographic
light
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 FR836868A publication Critical patent/FR836868A/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)
FR836868D 1937-06-28 1938-04-20 Photographic light meter Expired FR836868A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE836868X 1937-06-28

Publications (1)

Publication Number Publication Date
FR836868A true FR836868A (en) 1939-01-27

Family

ID=6761287

Family Applications (1)

Application Number Title Priority Date Filing Date
FR836868D Expired FR836868A (en) 1937-06-28 1938-04-20 Photographic light meter

Country Status (1)

Country Link
FR (1) FR836868A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE969333C (en) * 1949-01-03 1958-05-22 Eumig Elek Zitaets Und Metallw Device for exposure control on photographic recording equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE969333C (en) * 1949-01-03 1958-05-22 Eumig Elek Zitaets Und Metallw Device for exposure control on photographic recording equipment

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