FR885652A - Photographic telephoto lens - Google Patents

Photographic telephoto lens

Info

Publication number
FR885652A
FR885652A FR885652DA FR885652A FR 885652 A FR885652 A FR 885652A FR 885652D A FR885652D A FR 885652DA FR 885652 A FR885652 A FR 885652A
Authority
FR
France
Prior art keywords
telephoto lens
photographic
photographic telephoto
lens
telephoto
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.)
Askania Werke AG
Original Assignee
Askania Werke 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 Askania Werke AG filed Critical Askania Werke AG
Application granted granted Critical
Publication of FR885652A publication Critical patent/FR885652A/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
    • G02B13/02—Telephoto objectives, i.e. systems of the type + - in which the distance from the front vertex to the image plane is less than the equivalent focal length

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR885652D 1940-12-04 1941-12-03 Photographic telephoto lens Expired FR885652A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE885652X 1940-12-04

Publications (1)

Publication Number Publication Date
FR885652A true FR885652A (en) 1943-09-22

Family

ID=6832912

Family Applications (1)

Application Number Title Priority Date Filing Date
FR885652D Expired FR885652A (en) 1940-12-04 1941-12-03 Photographic telephoto lens

Country Status (1)

Country Link
FR (1) FR885652A (en)

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