CH328107A - Lichtschutzschacht - Google Patents

Lichtschutzschacht

Info

Publication number
CH328107A
CH328107A CH328107DA CH328107A CH 328107 A CH328107 A CH 328107A CH 328107D A CH328107D A CH 328107DA CH 328107 A CH328107 A CH 328107A
Authority
CH
Switzerland
Prior art keywords
light protection
protection shaft
shaft
light
protection
Prior art date
Application number
Other languages
English (en)
Inventor
Bretthauer Hermann
Maedge Joachim
Heidecke Reinhold Ing Dr
Original Assignee
Rollei Werke Franke Heidecke
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 Rollei Werke Franke Heidecke filed Critical Rollei Werke Franke Heidecke
Publication of CH328107A publication Critical patent/CH328107A/de

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
    • G03B11/00—Filters or other obturators specially adapted for photographic purposes
    • G03B11/04—Hoods or caps for eliminating unwanted light from lenses, viewfinders or focusing aids
    • G03B11/046—Hoods or caps for eliminating unwanted light from lenses, viewfinders or focusing aids for viewfinders or eyepieces

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
CH328107D 1954-04-03 1955-03-07 Lichtschutzschacht CH328107A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE328107X 1954-04-03

Publications (1)

Publication Number Publication Date
CH328107A true CH328107A (de) 1958-02-28

Family

ID=6185660

Family Applications (1)

Application Number Title Priority Date Filing Date
CH328107D CH328107A (de) 1954-04-03 1955-03-07 Lichtschutzschacht

Country Status (1)

Country Link
CH (1) CH328107A (de)

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