FR772327A - Equifocal objective - Google Patents

Equifocal objective

Info

Publication number
FR772327A
FR772327A FR772327DA FR772327A FR 772327 A FR772327 A FR 772327A FR 772327D A FR772327D A FR 772327DA FR 772327 A FR772327 A FR 772327A
Authority
FR
France
Prior art keywords
equifocal
objective
equifocal objective
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
Berthon Rodolphe
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 FR772327A publication Critical patent/FR772327A/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)
FR772327D 1933-07-24 1933-07-24 Equifocal objective Expired FR772327A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR772327T 1933-07-24

Publications (1)

Publication Number Publication Date
FR772327A true FR772327A (en) 1934-10-27

Family

ID=9193942

Family Applications (1)

Application Number Title Priority Date Filing Date
FR772327D Expired FR772327A (en) 1933-07-24 1933-07-24 Equifocal objective

Country Status (1)

Country Link
FR (1) FR772327A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2601594A (en) * 1951-02-15 1952-06-24 Taylor Taylor & Hobson Ltd Corrected optical objective comprising six simple components axially aligned and air spaced apart

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2601594A (en) * 1951-02-15 1952-06-24 Taylor Taylor & Hobson Ltd Corrected optical objective comprising six simple components axially aligned and air spaced apart

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