FR889280A - Objectif à grande ouverture - Google Patents

Objectif à grande ouverture

Info

Publication number
FR889280A
FR889280A FR889280DA FR889280A FR 889280 A FR889280 A FR 889280A FR 889280D A FR889280D A FR 889280DA FR 889280 A FR889280 A FR 889280A
Authority
FR
France
Prior art keywords
large aperture
aperture lens
lens
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 FR889280A publication Critical patent/FR889280A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/34—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR889280D 1940-05-17 1942-12-18 Objectif à grande ouverture Expired FR889280A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US889280XA 1940-05-17 1940-05-17

Publications (1)

Publication Number Publication Date
FR889280A true FR889280A (fr) 1944-01-05

Family

ID=22214329

Family Applications (1)

Application Number Title Priority Date Filing Date
FR889280D Expired FR889280A (fr) 1940-05-17 1942-12-18 Objectif à grande ouverture

Country Status (1)

Country Link
FR (1) FR889280A (fr)

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