FR1021838A - Advanced reflex sighting device for cinematographic cameras - Google Patents

Advanced reflex sighting device for cinematographic cameras

Info

Publication number
FR1021838A
FR1021838A FR1021838DA FR1021838A FR 1021838 A FR1021838 A FR 1021838A FR 1021838D A FR1021838D A FR 1021838DA FR 1021838 A FR1021838 A FR 1021838A
Authority
FR
France
Prior art keywords
advanced
sighting device
cinematographic cameras
reflex sighting
reflex
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)
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.)
Paillard SA
Original Assignee
Paillard SA
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 Paillard SA filed Critical Paillard SA
Application granted granted Critical
Publication of FR1021838A publication Critical patent/FR1021838A/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
    • G02B27/108—Beam splitting or combining systems for sampling a portion of a beam or combining a small beam in a larger one, e.g. wherein the area ratio or power ratio of the divided beams significantly differs from unity, without spectral selectivity
    • 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
    • G02B27/144—Beam splitting or combining systems operating by reflection only using partially transparent surfaces without spectral selectivity
FR1021838D 1949-06-14 1950-05-26 Advanced reflex sighting device for cinematographic cameras Expired FR1021838A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1021838X 1949-06-14

Publications (1)

Publication Number Publication Date
FR1021838A true FR1021838A (en) 1953-02-24

Family

ID=4553080

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1021838D Expired FR1021838A (en) 1949-06-14 1950-05-26 Advanced reflex sighting device for cinematographic cameras

Country Status (1)

Country Link
FR (1) FR1021838A (en)

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