DE273287C - - Google Patents

Info

Publication number
DE273287C
DE273287C DENDAT273287D DE273287DA DE273287C DE 273287 C DE273287 C DE 273287C DE NDAT273287 D DENDAT273287 D DE NDAT273287D DE 273287D A DE273287D A DE 273287DA DE 273287 C DE273287 C DE 273287C
Authority
DE
Germany
Prior art keywords
collective
lens
collective system
focal plane
presented
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
DENDAT273287D
Other languages
German (de)
English (en)
Publication of DE273287C publication Critical patent/DE273287C/de
Active legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/14—Viewfinders
    • G02B23/145—Zoom viewfinders
    • 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)
  • Astronomy & Astrophysics (AREA)
  • Telescopes (AREA)
DENDAT273287D Active DE273287C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE273287C true DE273287C (enrdf_load_stackoverflow)

Family

ID=529754

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT273287D Active DE273287C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE273287C (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1109398B (de) * 1958-11-22 1961-06-22 Hertel & Reuss Teleskop mit veraenderbarer Vergroesserung
DE2544866A1 (de) * 1974-10-18 1976-04-29 Leupold & Stevens Inc Zielfernrohr

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1109398B (de) * 1958-11-22 1961-06-22 Hertel & Reuss Teleskop mit veraenderbarer Vergroesserung
DE2544866A1 (de) * 1974-10-18 1976-04-29 Leupold & Stevens Inc Zielfernrohr

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