The journey of astronomical telescopes began in the early 17th century when Galileo Galilei crafted his first refracting telescope in 1609. Although not the inventor of the telescope, Galileo was the ...

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 ...

Christmas is a great time to look for a telescope for your budding amateur astronomer. But there are some things to keep in mind when buying a telescope. Here are some tips and features to consider ...

From magnification to light-gathering, here’s how to make the decision between buying a telescope or a monocular for stargazing and astronomy. Ask an astronomer what the best monocular is for ...

View Deal Gskyer Telescope 70mm: was $130 now $87 at Amazon Save 33% on the Gskyer 70mm Alt-az refractor telescope at Amazon. This refractor comes complete with all the accessories a beginner ...

McKim Observatory still houses many of its original instruments, including a 9.53 inch Clark Refractor telescope, a meridian transit telescope, and a gravity driven chronograph. Missing from the early ...

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 ...

The star diagonal fits into the telescope's focuser, and the eyepiece fits into the star diagonal. Most manufacturers that provide complete refractor telescopes include a star diagonal.

The latter is to make it more convenient to view images high up in the sky. After all, as a refractor telescope it uses a lens to form an image so it’s necessary to stand behind the optical tube ...