FR1018784A - Very bright lens - Google Patents

Very bright lens

Info

Publication number
FR1018784A
FR1018784A FR1018784DA FR1018784A FR 1018784 A FR1018784 A FR 1018784A FR 1018784D A FR1018784D A FR 1018784DA FR 1018784 A FR1018784 A FR 1018784A
Authority
FR
France
Prior art keywords
bright lens
bright
lens
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)
Inventor
Ludwig Bertele
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 filed Critical
Application granted granted Critical
Publication of FR1018784A publication Critical patent/FR1018784A/en
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 -
    • G02B9/12—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR1018784D 1949-05-11 1950-03-10 Very bright lens Expired FR1018784A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1018784X 1949-05-11

Publications (1)

Publication Number Publication Date
FR1018784A true FR1018784A (en) 1953-01-13

Family

ID=4552882

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1018784D Expired FR1018784A (en) 1949-05-11 1950-03-10 Very bright lens

Country Status (1)

Country Link
FR (1) FR1018784A (en)

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