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Astronomy & Telescopes : How to Focus a Telescope

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Uploaded by on Nov 30, 2008

The easiest way to focus a telescope is by moving the eye piece and changing the spacing between optical elements. Find out different ways to focus a telescope, such as moving the mirrors themselves, with help from an astrophotographer in this free video on astronomy and telescopes.

Expert: Billy Teets
Contact: www.dyer.vanderbilt.edu/
Bio: Billy Teets is a third-year graduate student in physics, with an emphasis on astronomy, at Vanderbilt University.
Filmmaker: Dimitri LaBarge

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  • the first is a Newtonian telescope the mount is called a dobsonian

  • my god the lucky you have to get a jewelry like this in your hand . i think you know this ! and i really hope you use it for UFO some times !!!!!

    i really hope this !

    My god ! lucky man ! ;)

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