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 ...

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.

The FCT-65D is a low-dispersion Fluorite Triplet refractor. It has a 400mm focal length and a f/6.2 focal ratio ... and precision in mind. It has a 22-pound (15 kilogram) payload capacity ...