DE252732C - - Google Patents

Info

Publication number
DE252732C
DE252732C DENDAT252732D DE252732DA DE252732C DE 252732 C DE252732 C DE 252732C DE NDAT252732 D DENDAT252732 D DE NDAT252732D DE 252732D A DE252732D A DE 252732DA DE 252732 C DE252732 C DE 252732C
Authority
DE
Germany
Prior art keywords
elements
eyepiece
fixed
way
telescope
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.)
Active
Application number
DENDAT252732D
Other languages
German (de)
English (en)
Publication of DE252732C publication Critical patent/DE252732C/de
Active 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
    • G02B15/02—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective
    • G02B15/04—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by changing a part

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Telescopes (AREA)
DENDAT252732D Active DE252732C (cs)

Publications (1)

Publication Number Publication Date
DE252732C true DE252732C (cs)

Family

ID=511064

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT252732D Active DE252732C (cs)

Country Status (1)

Country Link
DE (1) DE252732C (cs)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1231458B (de) * 1957-04-15 1966-12-29 Jan Louis Wulff Jacobsen Anamorphotisches Objektiv
US20040093920A1 (en) * 2002-11-18 2004-05-20 Howard Raymond W. Key cap
US8054544B2 (en) 2005-07-20 2011-11-08 Swarovski-Optik Kg Far-optical device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1231458B (de) * 1957-04-15 1966-12-29 Jan Louis Wulff Jacobsen Anamorphotisches Objektiv
US20040093920A1 (en) * 2002-11-18 2004-05-20 Howard Raymond W. Key cap
US8054544B2 (en) 2005-07-20 2011-11-08 Swarovski-Optik Kg Far-optical device
US8786947B2 (en) 2005-07-20 2014-07-22 Swarovski-Optik Kg. Far-optical device
US9529185B2 (en) 2005-07-20 2016-12-27 Swarovski-Optik Kg. Far-optical device
US10620422B2 (en) 2005-07-20 2020-04-14 Swarovski-Optik Kg. Far-optical device

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