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.
In this Celestron AstroMaster 102AZ review we'll be looking at this refractor telescope's suitability for the absolute beginner who will be looking for ease of use and versatility, as well as a ...
It’s best for viewing celestial objects located closer to Earth. The Celestron StarSense Explorer LT 80AZ Refractor Telescope comes with a dead-simple smartphone app that highlights the evening ...
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 ...
The standard telescope of Newton's time, the refracting telescope, was not ideal. Its glass lenses focused the different colors inherent in light at different distances. This resulted, at the ...