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FR509198A - Anastigmat lens - Google Patents

Anastigmat lens

Info

Publication number
FR509198A
FR509198A FR509198A FR509198DA FR509198A FR 509198 A FR509198 A FR 509198A FR 509198 A FR509198 A FR 509198A FR 509198D A FR509198D A FR 509198DA FR 509198 A FR509198 A FR 509198A
Authority
FR
France
Prior art keywords
anastigmat
lens
anastigmat 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
FR509198A
Other languages
French (fr)
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.)
Optis SA
Original Assignee
Optis 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 Optis SA filed Critical Optis SA
Application granted granted Critical
Publication of FR509198A publication Critical patent/FR509198A/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)
FR509198A 1920-01-28 1920-01-28 Anastigmat lens Expired FR509198A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR509198T 1920-01-28

Publications (1)

Publication Number Publication Date
FR509198A true FR509198A (en) 1920-11-03

Family

ID=8910870

Family Applications (1)

Application Number Title Priority Date Filing Date
FR509198A Expired FR509198A (en) 1920-01-28 1920-01-28 Anastigmat lens

Country Status (1)

Country Link
FR (1) FR509198A (en)

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