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.

It was soon realized that what was to become known as chromatic aberration was a limiting factor in refracting telescopes, and that this could be overcome by making lenses with longer focal length ...

Chinese scientists are working to set up the world's largest refracting telescope in Tibet Autonomous Region for observing stars and planets. Deputy Director of the regional department of science and ...

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 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 ...

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 ...