DE7820639U1 - Objektiv mit veränderbarer Brennweite - Google Patents

Objektiv mit veränderbarer Brennweite

Info

Publication number
DE7820639U1
DE7820639U1 DE7820639U DE7820639U DE7820639U1 DE 7820639 U1 DE7820639 U1 DE 7820639U1 DE 7820639 U DE7820639 U DE 7820639U DE 7820639 U DE7820639 U DE 7820639U DE 7820639 U1 DE7820639 U1 DE 7820639U1
Authority
DE
Germany
Prior art keywords
ogr
range
lens
variable
focal length
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
DE7820639U
Other languages
German (de)
English (en)
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.)
Jos Schneider Optische Werke GmbH
Original Assignee
Jos Schneider Optische Werke GmbH
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 Jos Schneider Optische Werke GmbH filed Critical Jos Schneider Optische Werke GmbH
Priority to DE7820639U priority Critical patent/DE7820639U1/de
Publication of DE7820639U1 publication Critical patent/DE7820639U1/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/145—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having five groups only
    • G02B15/1451—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having five groups only the first group being positive
    • G02B15/145125—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having five groups only the first group being positive arranged +--++

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
DE7820639U 1978-07-10 1978-07-10 Objektiv mit veränderbarer Brennweite Expired DE7820639U1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE7820639U DE7820639U1 (de) 1978-07-10 1978-07-10 Objektiv mit veränderbarer Brennweite

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE7820639U DE7820639U1 (de) 1978-07-10 1978-07-10 Objektiv mit veränderbarer Brennweite

Publications (1)

Publication Number Publication Date
DE7820639U1 true DE7820639U1 (de) 1987-07-02

Family

ID=6693175

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7820639U Expired DE7820639U1 (de) 1978-07-10 1978-07-10 Objektiv mit veränderbarer Brennweite

Country Status (1)

Country Link
DE (1) DE7820639U1 (zh)

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