FR357071A - Telephoto - Google Patents

Telephoto

Info

Publication number
FR357071A
FR357071A FR357071DA FR357071A FR 357071 A FR357071 A FR 357071A FR 357071D A FR357071D A FR 357071DA FR 357071 A FR357071 A FR 357071A
Authority
FR
France
Prior art keywords
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.)
USCH AG
Original Assignee
USCH 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 USCH AG filed Critical USCH AG
Application granted granted Critical
Publication of FR357071A publication Critical patent/FR357071A/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
    • 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)
FR357071D 1905-04-13 1905-08-19 Telephoto Expired FR357071A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE357071X 1905-04-13

Publications (1)

Publication Number Publication Date
FR357071A true FR357071A (en) 1905-12-16

Family

ID=1404995

Family Applications (1)

Application Number Title Priority Date Filing Date
FR357071D Expired FR357071A (en) 1905-04-13 1905-08-19 Telephoto

Country Status (1)

Country Link
FR (1) FR357071A (en)

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