The journey of astronomical telescopes began in the early 17th century when Galileo Galilei crafted his first refracting ...

From magnification to light-gathering, here’s how to make the decision between buying a telescope or a monocular for ...

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.

Refracting telescopes use lenses - combining at least two, and as many as four, pieces of glass - as their objective (the primary light-gathering device). Reflecting telescopes use mirrors to ...

Christmas is a great time to look for a telescope for your budding amateur astronomer. But there are some things to keep in ...

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 ...