How to Buy a Telescope : Telescope Buying Guide: Focal Ratio & Focal Length

Posted by admin on November 17, 2010


When buying a telescope, use the focal length and focal ratio to determine the magnification of a telescope. Choose a focal ratio for a telescopes based on the tips in this free video on home astronomy from a telescope salesperson. Expert: Jesse Sturgeon Bio: Jesse Sturgeon has served as a sales and customer service representative for Anacortes Telescope in Anacortes, Wash. for several years. He enjoys introducing people to the science & art of astronomy. Filmmaker: Curtis Enlow

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  3. How to Buy a Telescope : Telescope Buying Guide: Composite Telescopes
  4. How to Buy a Telescope : Telescope Buying Guide: Aperture
  5. How to Buy a Telescope : Telescope Buying Guide: Equatorial Mounts
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