enow.com Web Search

  1. Ads

    related to: bushnell h2o roof prism binoculars

Search results

  1. Results from the WOW.Com Content Network
  2. Bushnell Corporation - Wikipedia

    en.wikipedia.org/wiki/Bushnell_Corporation

    The company was founded in 1948 by David P. Bushnell, when he returned to California from his honeymoon in Japan with two crates of binoculars and sold them by mail order. Bushnell made precision binoculars affordable to middle-class Americans for the first time through a strategy of importing from manufacturers in Hong Kong , Taiwan , and ...

  3. Binoculars - Wikipedia

    en.wikipedia.org/wiki/Binoculars

    Most compact binoculars feature magnifications of 7× to 10×, and objective diameter sizes of a relatively modest 20 mm to 25 mm, resulting in small exit pupil sizes limiting low light suitability. Roof prism designs tend to be narrower and more compact than equivalent Porro prism designs.

  4. Schmidt–Pechan prism - Wikipedia

    en.wikipedia.org/wiki/Schmidt–Pechan_prism

    A Schmidt–Pechan prism is a type of optical prism used to rotate an image by 180°. These prisms are commonly used in binoculars as an image erecting system. The Schmidt–Pechan prism makes use of a roof prism section (from the German: "Dachkante", lit. roof edge ). Binoculars designs using Schmidt–Pechan prisms can be constructed more ...

  5. Roof prism - Wikipedia

    en.wikipedia.org/wiki/Roof_prism

    A roof pentaprism used in Single-lens reflex cameras; the lower right face is the roof (dach). An Amici roof prism. A roof prism, also called a Dachkanten prism or Dach prism (from German: Dachkante, lit. "roof edge"), is a reflective prism containing a section where two faces meet at a 90° angle, resembling the roof of a building and thus the name.

  6. Perger prism - Wikipedia

    en.wikipedia.org/wiki/Perger_prism

    Perger prism. A Perger prism or Perger–Porro prism system is a prism, that is used to invert (rotate by 180°) an image. The special feature of this prism is that, like a traditional double Porro prism system, it manages this with only four beam deflections and has neither a roof edge with the accompanying phase correction problems, a ...

  7. Amici roof prism - Wikipedia

    en.wikipedia.org/wiki/Amici_roof_prism

    An Amici roof prism. An Amici roof prism, named for its inventor, the Italian astronomer Giovanni Battista Amici, is a type of reflecting prism used to deviate a beam of light by 90° while simultaneously inverting the image. It is commonly used in the eyepieces of telescopes as an image erecting system. It is sometimes called an Amici prism or ...