FR835909A - Optical lenses for photographic lightning flashes - Google Patents

Optical lenses for photographic lightning flashes

Info

Publication number
FR835909A
FR835909A FR835909DA FR835909A FR 835909 A FR835909 A FR 835909A FR 835909D A FR835909D A FR 835909DA FR 835909 A FR835909 A FR 835909A
Authority
FR
France
Prior art keywords
photographic
optical lenses
lightning flashes
flashes
lightning
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
Paul Schwarze
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 FR835909A publication Critical patent/FR835909A/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
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • G03B15/02—Illuminating scene
    • G03B15/03—Combinations of cameras with lighting apparatus; Flash units
    • G03B15/04—Combinations of cameras with non-electronic flash apparatus; Non-electronic flash units
    • G03B15/0442—Constructional details of the flash apparatus; Arrangement of lamps, reflectors, or the like

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR835909D 1937-04-17 1938-03-30 Optical lenses for photographic lightning flashes Expired FR835909A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE835909X 1937-04-17

Publications (1)

Publication Number Publication Date
FR835909A true FR835909A (en) 1939-01-05

Family

ID=6761031

Family Applications (1)

Application Number Title Priority Date Filing Date
FR835909D Expired FR835909A (en) 1937-04-17 1938-03-30 Optical lenses for photographic lightning flashes

Country Status (1)

Country Link
FR (1) FR835909A (en)

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