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

Make the most of January's new moon and survey the darkened skies with the best telescopes. Our guide will help you choose the right scope, no matter your budget or experience. Are you new to ...

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 ...

Refraction errors can also be identified using a refractor, which uses convex lenses to examine how the eye processes light.

View Deal Gskyer Telescope 70mm: was $130 now $97 at Amazon Save 25% on the Gskyer 70mm Alt-az refractor telescope at Amazon. This refractor comes complete with all the accessories a beginner ...