FR857887A - Optical device for magnifying devices - Google Patents

Optical device for magnifying devices

Info

Publication number
FR857887A
FR857887A FR857887DA FR857887A FR 857887 A FR857887 A FR 857887A FR 857887D A FR857887D A FR 857887DA FR 857887 A FR857887 A FR 857887A
Authority
FR
France
Prior art keywords
optical device
magnifying devices
magnifying
devices
optical
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)
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.)
Zeiss Ikon AG
Original Assignee
Zeiss Ikon AG
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 Zeiss Ikon AG filed Critical Zeiss Ikon AG
Application granted granted Critical
Publication of FR857887A publication Critical patent/FR857887A/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)
FR857887D 1938-07-16 1939-07-13 Optical device for magnifying devices Expired FR857887A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE857887X 1938-07-16

Publications (1)

Publication Number Publication Date
FR857887A true FR857887A (en) 1940-10-03

Family

ID=6789679

Family Applications (1)

Application Number Title Priority Date Filing Date
FR857887D Expired FR857887A (en) 1938-07-16 1939-07-13 Optical device for magnifying devices

Country Status (1)

Country Link
FR (1) FR857887A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2649021A (en) * 1949-12-07 1953-08-18 Angenieux Pierre Large aperture photographic objective

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2649021A (en) * 1949-12-07 1953-08-18 Angenieux Pierre Large aperture photographic objective

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