enow.com Web Search

  1. Ads

    related to: star projectors

Search results

  1. Results from the WOW.Com Content Network
  2. Planetarium projector - Wikipedia

    en.wikipedia.org/wiki/Planetarium_projector

    A Zeiss Universarium Mark IX starball projector. A planetarium projector, also known as a star projector, is a device used to project images of celestial objects onto the dome in a planetarium. Modern planetarium projectors were first designed and built by the Carl Zeiss Jena company in Germany between 1923 and 1925, and have since grown more ...

  3. Zeiss projector - Wikipedia

    en.wikipedia.org/wiki/Zeiss_projector

    The Mark I projector installed in the Deutsches Museum in 1923 was the world's first planetarium projector. The Mark III modified projector installed in the Planetario Humboldt 1950 in Caracas - Venezuela.It is the oldest in Latin America. Marks II through VI utilized two small spheres of lenses separated along a central axis.

  4. Digistar - Wikipedia

    en.wikipedia.org/wiki/Digistar

    Digistar is the first computer graphics-based planetarium projection and content system.It was designed by Evans & Sutherland and released in 1983. The technology originally focused on accurate and high quality display of stars, including for the first time showing stars from points of view other than Earth's surface, travelling through the stars, and accurately showing celestial bodies from ...

  5. Planetarium - Wikipedia

    en.wikipedia.org/wiki/Planetarium

    Early Spitz star projector. Armand Spitz recognized that there was a viable market for small inexpensive planetaria. His first model, the Spitz A, was designed to project stars from a dodecahedron, thus reducing machining expenses in creating a globe. [12] Planets were not mechanized, but could be shifted by hand.

  6. Armand Spitz - Wikipedia

    en.wikipedia.org/wiki/Armand_Spitz

    The A Series As noted, Spitz wanted to create a projector more affordable than the German Zeiss "all optical" projectors. Thus, all of his projectors used large "star balls" that relied on the pinhole lens principle, where star images became smaller (more realistic) as the starlight source (in center of the star ball) was more distant from the star-ball surface.

  7. John C. Wells Planetarium - Wikipedia

    en.wikipedia.org/wiki/John_C._Wells_Planetarium

    A Goto II star projector replaced the obsolete equipment in Burruss, manufactured in Japan and installed at a cost of $47,000 by Planetariums Unlimited, a branch of Viewlex Audio-Visual, Inc. The cost of $47,000 was considerably lower than the other two bids offered by Minolta and Spitz because Viewlex was preparing to cease marketing Goto ...

  1. Ads

    related to: star projectors