Though still only in the prototype stage, this flat lens could one day be used on space telescopes, and perhaps even on amateur telescopes.

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 ...

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.

Get a huge discount on the Celestron StarSense Explorer LT 80AZ telescope in time for the upcoming Lyrid meteor shower, full ...

However, in most cases, such an advertised magnification is well beyond the practical maximum magnification of the telescope. A 2.4-inch refracting telescope, for example, should never use more ...

Discover the latest books, telescopes, accessories, and other astronomy products you'll be hopping for this April.

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 ...

There are two basic types of telescope: refractors and reflectors. A refractor uses lenses to refract light and bring it to a focus. Reflectors utilize at least two mirrors to reflect the light to ...