A refractor or refracting telescope uses an objective lens to collect ... For example an 8-inch scope is a better bet than a 6-inch scope, if you can afford the inevitable hike in price.

Though still only in the prototype stage, this flat lens could one day be used on space telescopes, and perhaps even on ...

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.

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 ...

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 ...

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 ...

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 ...