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Results 1 - 10 of 1090 for Telescopes
  • Optical Surfaces Ltd.
    Supplier Profile
    Optical Surfaces Ltd, has been producing optical components and systems for more than 30 years and is now accepted as one of Europe's leading manufacturers of high-precision optics. Our list of...
  • Optical Guidance Systems
    Supplier Profile
    Optical Guidance Systems is in our 19th year of providing research quality telescopes, mountings, computer control systems, and accessories to a discerning clientele. OGS was the first telescope maker...
  • VISTA Will Form Part of ESO's Very Large Telescope Facility
    News - 17 Apr 2008
    A 4.1-metre diameter primary mirror, a vital part of the world's newest and fastest survey telescope, VISTA (the Visible and Infrared Survey Telescope for Astronomy) has been delivered to its new...
  • Lasers and Fiber-Optics to Improve Atomic Clocks
    News - 5 Jul 2007
    Time and frequency information can be transferred between laboratories or to other users in several ways, often using the Global Positioning System (GPS). But today's best atomic clocks are so...
  • How Do Space Telescopes Work?
    Article - 22 Aug 2022
    US President Joe Biden unveiled the first images from the James Webb Space Telescope (JWST) in July 2022. The joint NASA, ESA, and CSA mission is building on the success of previous space telescopes –...
  • Aluminum Mirrors and their Use in the Very Large Telescope
    Article - 27 Jan 2020
    The very large telescope sits atop Cerro Paranal, a mountain over 2,600 m tall in the Atacama Desert in Northern Chile.
  • Cassegrain Telescope - Definition and Applications
    Article - 23 Dec 2013
    The Cassegrain telescope is an astronomical reflecting telescope in which the light is incident on a large concave paraboloid mirror and reflected onto a smaller convex hyperboloid mirror.
  • Optical Telescope - How Does it Work?
    Article - 1 Dec 2007
    An optical telescope is an instrument that can make distant objects appears much closer.
  • 4D Technology
    Supplier Profile
    4D Technology is a leader in innovative metrology products for measuring surface quality and surface defects on precision surfaces, as well as the surface and wavefront quality of optics. 4D’s...
  • How Does an Optical Telescope Function?
    Article - 20 Jan 2022
    Optical telescopes concentrate light in the visible spectrum so that astronomers can look at objects millions of light-years away. This article looks at how optical telescopes work and their...

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