FR874405A - Perfectionnement aux appareils photographiques - Google Patents

Perfectionnement aux appareils photographiques

Info

Publication number
FR874405A
FR874405A FR874405DA FR874405A FR 874405 A FR874405 A FR 874405A FR 874405D A FR874405D A FR 874405DA FR 874405 A FR874405 A FR 874405A
Authority
FR
France
Prior art keywords
cameras
further training
training
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 FR874405A publication Critical patent/FR874405A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR874405D 1939-08-03 1940-08-03 Perfectionnement aux appareils photographiques Expired FR874405A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US874405XA 1939-08-03 1939-08-03

Publications (1)

Publication Number Publication Date
FR874405A true FR874405A (fr) 1942-08-06

Family

ID=22205202

Family Applications (1)

Application Number Title Priority Date Filing Date
FR874405D Expired FR874405A (fr) 1939-08-03 1940-08-03 Perfectionnement aux appareils photographiques

Country Status (1)

Country Link
FR (1) FR874405A (fr)

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