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.

Bausch & Lomb Company gave the University of Colorado a 10.5-inch refractor, formerly the property of Carl L ... the mounting being placed in the lobby Fiske Planetarium and the objective glass was ...

Refractor telescopes use specialised lenses to gather and focus light into an image, displaying a magnified sky view. In contrast, reflector telescopes use curved mirrors to reflect light onto the ...

A refractor telescope on a fold-up tripod that ships ... makes it easy to extract top-quality images without having to use a computer to post-process data. All of this can be controlled by the ...