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 ...

Building a better refractor The spyglass-turned-telescope had limitations, some of which Galileo was able to design around. To reduce distortions such as elongations and blurriness caused by the ...

The subject of space exploration has been one of the most enigmatic and interesting topics of all time. When taught about ...

A 2.4-inch refracting telescope, for example ... the telescope’s field of view thanks to its defective and unbalanced design. Before you know it, that “practical learning tool” has ended ...

FitzRandolph Observatory was constructed in 1934 to replace the Halsted Observatory. In 1966, a 36" reflecting telescope replaced the old 23" refracting telescope that had been in use since 1882.

The Beaverlab Finder TW2 is not a smart telescope, but its design makes it unique. This 82mm/3.2-inch refractor is one of a kind in that a lightweight plastic camera can be attached to it in place ...