DE255831C - - Google Patents

Info

Publication number
DE255831C
DE255831C DENDAT255831D DE255831DA DE255831C DE 255831 C DE255831 C DE 255831C DE NDAT255831 D DENDAT255831 D DE NDAT255831D DE 255831D A DE255831D A DE 255831DA DE 255831 C DE255831 C DE 255831C
Authority
DE
Germany
Prior art keywords
objective
mirror
lens
plated
reflection
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
DENDAT255831D
Other languages
German (de)
English (en)
Publication of DE255831C publication Critical patent/DE255831C/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

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Telescopes (AREA)
DENDAT255831D Active DE255831C (enExample)

Publications (1)

Publication Number Publication Date
DE255831C true DE255831C (enExample)

Family

ID=513900

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT255831D Active DE255831C (enExample)

Country Status (1)

Country Link
DE (1) DE255831C (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2638814A (en) * 1947-03-26 1953-05-19 Keuffel & Esser Co Reflecting telescope
FR2523732A1 (fr) * 1982-03-18 1983-09-23 Sopelem Dispositif d'observation et de visee
EP0137206A3 (en) * 1983-08-30 1987-09-16 The Perkin-Elmer Corporation Assembly for adjusting an optical element assembly for adjusting an optical element

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2638814A (en) * 1947-03-26 1953-05-19 Keuffel & Esser Co Reflecting telescope
FR2523732A1 (fr) * 1982-03-18 1983-09-23 Sopelem Dispositif d'observation et de visee
EP0137206A3 (en) * 1983-08-30 1987-09-16 The Perkin-Elmer Corporation Assembly for adjusting an optical element assembly for adjusting an optical element
US4735505A (en) * 1983-08-30 1988-04-05 The Perkin-Elmer Corporation Assembly for adjusting an optical element

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