FR826411A - Device with photographic lens shutters for adjusting light exposure - Google Patents

Device with photographic lens shutters for adjusting light exposure

Info

Publication number
FR826411A
FR826411A FR826411DA FR826411A FR 826411 A FR826411 A FR 826411A FR 826411D A FR826411D A FR 826411DA FR 826411 A FR826411 A FR 826411A
Authority
FR
France
Prior art keywords
light exposure
photographic lens
adjusting light
lens shutters
shutters
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
Jacques Wolf
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 FR826411A publication Critical patent/FR826411A/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
    • G03B7/04—Control effected by hand adjustment of a member that senses indication of a pointer of a built- in light-sensitive device, e.g. by restoring point to a fixed associated reference mark

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR826411D 1937-09-07 1937-09-07 Device with photographic lens shutters for adjusting light exposure Expired FR826411A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR826411T 1937-09-07

Publications (1)

Publication Number Publication Date
FR826411A true FR826411A (en) 1938-03-31

Family

ID=9282828

Family Applications (1)

Application Number Title Priority Date Filing Date
FR826411D Expired FR826411A (en) 1937-09-07 1937-09-07 Device with photographic lens shutters for adjusting light exposure

Country Status (1)

Country Link
FR (1) FR826411A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2943543A (en) * 1960-07-05 Photographic shutter housing
DE1124807B (en) * 1942-12-28 1962-03-01 Leitz Ernst Gmbh Photoelectric light meter for photographic cameras

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2943543A (en) * 1960-07-05 Photographic shutter housing
DE1124807B (en) * 1942-12-28 1962-03-01 Leitz Ernst Gmbh Photoelectric light meter for photographic cameras

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