FR940406A - Perfectionnements aux objectifs à grande ouverture - Google Patents

Perfectionnements aux objectifs à grande ouverture

Info

Publication number
FR940406A
FR940406A FR940406DA FR940406A FR 940406 A FR940406 A FR 940406A FR 940406D A FR940406D A FR 940406DA FR 940406 A FR940406 A FR 940406A
Authority
FR
France
Prior art keywords
large aperture
aperture lenses
lenses
aperture
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
English (en)
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.)
Kodak Pathe SA
Original Assignee
Kodak Pathe 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 Kodak Pathe SA filed Critical Kodak Pathe SA
Application granted granted Critical
Publication of FR940406A publication Critical patent/FR940406A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR940406D 1946-02-09 1947-02-07 Perfectionnements aux objectifs à grande ouverture Expired FR940406A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US940406XA 1946-02-09 1946-02-09

Publications (1)

Publication Number Publication Date
FR940406A true FR940406A (fr) 1948-12-13

Family

ID=22242454

Family Applications (1)

Application Number Title Priority Date Filing Date
FR940406D Expired FR940406A (fr) 1946-02-09 1947-02-07 Perfectionnements aux objectifs à grande ouverture

Country Status (1)

Country Link
FR (1) FR940406A (fr)

Similar Documents

Publication Publication Date Title
FR918112A (fr) Perfectionnements aux fers à repasser
FR940406A (fr) Perfectionnements aux objectifs à grande ouverture
FR926604A (fr) Perfectionnements aux lentilles électrostatiques indépendantes
FR939559A (fr) Harmonica
FR920048A (fr) Haut-parleur à encombrement réduit
FI21613A (fi) Prismakamera
FR953602A (fr) Plastificateur
FR923619A (fr) Perfectionnements aux appareils photographiques
FR922497A (fr) Passe-lentilles
FR938861A (fr) Perfectionnements aux objectifs à grande ouverture
FR948587A (fr) Perfectionnements aux mécanismes à ressorts
FR924398A (fr) Bicyclette à leviers
FR934954A (fr) Appareil de prises de vue cinématographique
FR993879A (fr) Perfectionnements aux fers à repasser
FR926480A (fr) Pince
FR1002296A (fr) Perfectionnements apportés aux appareils à hachurer
FR935707A (fr) Motocyclette à siège avancé
FR918515A (fr) Charpente du type raikem
FR947917A (fr) étui à lunettes
FR942153A (fr) Perfectionnements aux appareils photographiques
FR1002516A (fr) Perfectionnements aux appareils photographiques
FR1003245A (fr) Perfectionnements apportés aux appareils photographiques
FR951546A (fr) Perfectionnements aux appareils photographiques
FI21519A (fi) Matkalaukku
FR1002077A (fr) Kaléidoscope