View Deal Gskyer Telescope 70mm: was $130 now $87 at Amazon Save 33% on the Gskyer 70mm Alt-az refractor telescope at Amazon. This refractor comes complete with all the accessories a beginner ...
Well, any of us who has ever looked through a telescope could say the same, for the two principal types in use today were developed by giants: the refractor by Galileo and the reflector by Newton.
A refractor telescope on a fold-up tripod that ships with ... a 2-inch/50mm aperture refractor – has a better app, achieves 6.2-megapixel resolution images, and includes a feature that allows ...
Astronomy at Alfred University has a long history, dating back to the Civil War when the University purchased its first telescope, a 9-inch refractor made by Henry Fitz ... in the United States. We ...
9.53 inch Clark Refractor The main telescope is the original ... The observatory houses three 8" and one 11" Celestron Schmidt Cassegrain telescopes, a 17" Dobsonian reflector, an SBIG St-6 CCD camera ...
Explore the night sky with the best telescopes to suit every budget and experience level, perfect for observing February's snow moon and spectacular planetary parade. February is a great time to ...
The FCT-65D is a low-dispersion Fluorite Triplet refractor. It has a 400mm focal length and a f/6.2 focal ratio ... Visions From the James Webb Space Telescope by Ethan Siegel tells the ...
The original instrument to occupy the dome was the 10.5-inch Bausch telescope, which was installed in the new observatory building in 1953. The 25-foot diameter dome was necessary to encompass the ...
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