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BE486538A - - Google Patents
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BE486538A - - Google Patents

Info

Publication number
BE486538A
BE486538A BE486538DA BE486538A BE 486538 A BE486538 A BE 486538A BE 486538D A BE486538D A BE 486538DA BE 486538 A BE486538 A BE 486538A
Authority
BE
Belgium
Prior art keywords
optical
frosted
optical device
objective
prism
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE486538A publication Critical patent/BE486538A/fr

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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/02—Catoptric systems, e.g. image erecting and reversing system

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Lenses (AREA)
BE486538D BE486538A (sr)

Publications (1)

Publication Number Publication Date
BE486538A true BE486538A (sr)

Family

ID=132188

Family Applications (1)

Application Number Title Priority Date Filing Date
BE486538D BE486538A (sr)

Country Status (1)

Country Link
BE (1) BE486538A (sr)

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