A great diameter in a manual telescope!!! Reflector telescope, 114mm Ø, 900mm FL f/8, german equatorial mount with slow motion control cables in both axes; two premium 1.25 MA eyepieces (25 and 12mm); new red dot finder makes locating objects quick and easy; aliminum tripod with adjustable height and accesoory tray. Operation manual. Includes AutoStar Suite Astronomer Edition Software that will help you learn the night sky. It displays more than 10,000 celestial objects including, planets, stars, galaxies and nebulas. You can print out star charts and even plan your observing sessions. It operates on any Windows based PC. Also includes an instructional DVD. You will be up and running in no time. The universe is waiting!