A refractor or refracting telescope uses an objective lens to collect ... to other types of 'scope as they only require a few parts to construct. Supporters also underline the fact that Newtonian ...
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 original instrument to occupy the 25-foot diameter dome was the 10.5-inch Bausch refracting telescope (f/15.5) installed in the brand new observatory in 1953. Bausch & Lomb Company gave the ...