DE656817C - Light shaft for viewfinder of photographic cameras - Google Patents

Light shaft for viewfinder of photographic cameras

Info

Publication number
DE656817C
DE656817C DEF80694D DEF0080694D DE656817C DE 656817 C DE656817 C DE 656817C DE F80694 D DEF80694 D DE F80694D DE F0080694 D DEF0080694 D DE F0080694D DE 656817 C DE656817 C DE 656817C
Authority
DE
Germany
Prior art keywords
light shaft
viewfinder
mirror
photographic cameras
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
DEF80694D
Other languages
German (de)
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.)
PHOTOGRAPHISCHER PRAEZ SAPP FA
Rollei Werke Franke und Heidecke GmbH and Co KG
Original Assignee
PHOTOGRAPHISCHER PRAEZ SAPP FA
Rollei Werke Franke und Heidecke GmbH and Co KG
Publication date
Priority to DEF80694D priority Critical patent/DE656817C/en
Application granted granted Critical
Publication of DE656817C publication Critical patent/DE656817C/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
    • 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)
  • Cameras In General (AREA)

Description

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

BERLIN. GEDRUCKT IN DER REICHSDRUCKEttElBERLIN. PRINTED IN THE REICHSDRUCKEttEl

Claims (1)

Patentanspruch:Claim: Lichtschacht für Sucher photograph!- scher Kameras mit einem schwenk- und feststellbaren Spiegel, dadurch gekennzeichnet, daß in dem Lichtschacht eine den Spiegel in der Nichtgiebrauchsstellung· abdeckende schwenkbare Klappe derart gelagert ist, .daß sie, wenn der Spiegel in -die Gebrauchslage geschwenkt wird, durch den Spiegel selbst so angehoben wird, daß dieser freigegeben und gleichzeitig der Lichtschacht gegen von oben einfallendes Licht abgeschirmt ist.Light shaft for viewfinder photograph! - shear cameras with a swivel and lockable mirror, characterized in that one in the light shaft Mirror in the non-use position · covering pivotable flap is mounted in such a way. That it, when the mirror in -die The position of use is pivoted, is raised by the mirror itself so that this released and at the same time the light shaft against incident from above Light is shielded.
DEF80694D Light shaft for viewfinder of photographic cameras Expired DE656817C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEF80694D DE656817C (en) Light shaft for viewfinder of photographic cameras

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF80694D DE656817C (en) Light shaft for viewfinder of photographic cameras

Publications (1)

Publication Number Publication Date
DE656817C true DE656817C (en) 1938-02-15

Family

ID=7113523

Family Applications (1)

Application Number Title Priority Date Filing Date
DEF80694D Expired DE656817C (en) Light shaft for viewfinder of photographic cameras

Country Status (1)

Country Link
DE (1) DE656817C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2640388A (en) * 1951-11-14 1953-06-02 Shapiro Mitchell Viewer for cameras

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2640388A (en) * 1951-11-14 1953-06-02 Shapiro Mitchell Viewer for cameras

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