GB132303A - - Google Patents

Info

Publication number
GB132303A
GB132303A GB132303DA GB132303A GB 132303 A GB132303 A GB 132303A GB 132303D A GB132303D A GB 132303DA GB 132303 A GB132303 A GB 132303A
Authority
GB
United Kingdom
Prior art keywords
lenses
powers
eyepiece
positive
negative
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
Other languages
English (en)
Publication date
Publication of GB132303A publication Critical patent/GB132303A/en
Expired 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
    • G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
    • G02B23/08—Periscopes

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Telescopes (AREA)
  • Lenses (AREA)
GB132303D Expired GB132303A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
GB132303A true GB132303A (enrdf_load_stackoverflow) 1900-01-01

Family

ID=1725794

Family Applications (1)

Application Number Title Priority Date Filing Date
GB132303D Expired GB132303A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
GB (1) GB132303A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1144495B (de) * 1961-09-08 1963-02-28 Albert Schacht Fa Periskop kurzer Bauart
US3527516A (en) * 1968-01-05 1970-09-08 Muffoletto Carl V Restricted aperture wide angle viewing system
US4526444A (en) * 1984-04-02 1985-07-02 Polaroid Corporation Viewfinder apparatus
US4545655A (en) * 1984-04-02 1985-10-08 Polaroid Corporation Optical viewing system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1144495B (de) * 1961-09-08 1963-02-28 Albert Schacht Fa Periskop kurzer Bauart
US3527516A (en) * 1968-01-05 1970-09-08 Muffoletto Carl V Restricted aperture wide angle viewing system
US4526444A (en) * 1984-04-02 1985-07-02 Polaroid Corporation Viewfinder apparatus
US4545655A (en) * 1984-04-02 1985-10-08 Polaroid Corporation Optical viewing system

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