Amazon.com : Celestron - 114LCM Computerized Newtonian Telescope - Telescopes for Beginners - 2 Eyepieces - Full-Height Tripod - Motorized Altazimuth Mount - Large 114mm Newtonian Reflector : Electronics
Sir Isaac Newton's reflecting telescope, known also as the Newtonian telescope. It worked by concentrating light by reflection from a parabolic mirror, instead of by refraction through a lens. Newton (1642-1727) first