DE98250C - - Google Patents

Info

Publication number
DE98250C
DE98250C DENDAT98250D DE98250DA DE98250C DE 98250 C DE98250 C DE 98250C DE NDAT98250 D DENDAT98250 D DE NDAT98250D DE 98250D A DE98250D A DE 98250DA DE 98250 C DE98250 C DE 98250C
Authority
DE
Germany
Prior art keywords
ocular
objective
focal length
negative system
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
DENDAT98250D
Other languages
German (de)
English (en)
Publication of DE98250C publication Critical patent/DE98250C/de
Active legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/06—Focusing binocular pairs

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Telescopes (AREA)
DENDAT98250D Active DE98250C (fr)

Publications (1)

Publication Number Publication Date
DE98250C true DE98250C (fr)

Family

ID=369227

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT98250D Active DE98250C (fr)

Country Status (1)

Country Link
DE (1) DE98250C (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2489578A (en) * 1944-12-16 1949-11-29 Keuffel & Esser Co Telescope with achromatic eye lens
EP0025398A1 (fr) * 1979-09-07 1981-03-18 Societe D'optique Precision Electronique Et Mecanique - Sopelem Système optique à plusieurs champs
DE3329785A1 (de) * 1983-08-18 1985-03-07 Richard Wolf Gmbh, 7134 Knittlingen Endoskopoptik
US4548481A (en) * 1983-11-07 1985-10-22 Nippon Kogaku K.K. Variable magnification observation optical device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2489578A (en) * 1944-12-16 1949-11-29 Keuffel & Esser Co Telescope with achromatic eye lens
EP0025398A1 (fr) * 1979-09-07 1981-03-18 Societe D'optique Precision Electronique Et Mecanique - Sopelem Système optique à plusieurs champs
FR2465239A1 (fr) * 1979-09-07 1981-03-20 Sopelem Objectif a plusieurs champs
US4397530A (en) * 1979-09-07 1983-08-09 Societe D'optique, Precision Electronique Et Mecanique Objective with several fields
DE3329785A1 (de) * 1983-08-18 1985-03-07 Richard Wolf Gmbh, 7134 Knittlingen Endoskopoptik
US4548481A (en) * 1983-11-07 1985-10-22 Nippon Kogaku K.K. Variable magnification observation optical device

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