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FR716168A - Improvements to lens combinations - Google Patents

Improvements to lens combinations

Info

Publication number
FR716168A
FR716168A FR716168DA FR716168A FR 716168 A FR716168 A FR 716168A FR 716168D A FR716168D A FR 716168DA FR 716168 A FR716168 A FR 716168A
Authority
FR
France
Prior art keywords
lens combinations
lens
combinations
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
Willy Friedrich Bielicke
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 FR716168A publication Critical patent/FR716168A/en
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)
FR716168D 1930-04-28 1931-04-27 Improvements to lens combinations Expired FR716168A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE716168X 1930-04-28

Publications (1)

Publication Number Publication Date
FR716168A true FR716168A (en) 1931-12-16

Family

ID=6626359

Family Applications (1)

Application Number Title Priority Date Filing Date
FR716168D Expired FR716168A (en) 1930-04-28 1931-04-27 Improvements to lens combinations

Country Status (1)

Country Link
FR (1) FR716168A (en)

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