FR833868A - Method and device for making photographs and films in natural colors - Google Patents

Method and device for making photographs and films in natural colors

Info

Publication number
FR833868A
FR833868A FR833868DA FR833868A FR 833868 A FR833868 A FR 833868A FR 833868D A FR833868D A FR 833868DA FR 833868 A FR833868 A FR 833868A
Authority
FR
France
Prior art keywords
films
natural colors
making photographs
photographs
making
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
Robert Erich Asche
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 FR833868A publication Critical patent/FR833868A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/141—Beam splitting or combining systems operating by reflection only using dichroic mirrors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR833868D 1937-03-04 1938-02-18 Method and device for making photographs and films in natural colors Expired FR833868A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE833868X 1937-03-04

Publications (1)

Publication Number Publication Date
FR833868A true FR833868A (en) 1938-11-03

Family

ID=6760522

Family Applications (1)

Application Number Title Priority Date Filing Date
FR833868D Expired FR833868A (en) 1937-03-04 1938-02-18 Method and device for making photographs and films in natural colors

Country Status (1)

Country Link
FR (1) FR833868A (en)

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