Perfect for beginning stargazers this tabletop reflector telescope is not a toy! With its substantial 100mm (3.9 ) aperture parabolic glass primary mirror boasting a 400mm focal length the compact Orion SkyScanner 100mm TableTop Reflector telescope will amaze you and your family with gorgeous detailed views of the night sky. With this capable reflector you can study the Moon s cratered surface in detail exploring highland mountains and vast planar lunar seas of dark material. Bright planets like Jupiter Saturn and Mars shine brightly in the SkyScanner 100 even when viewing from urban locations. And the pint-sized SkyScanner 100 can gather enough light for views of open and globular star clusters bright cloudy nebulas and even a few distant galaxies. Set the compact SkyScanner 100 on table in the back yard or even on the hood of your car in the backcountry and comfortably view the heavens to your heart s content. No table available? You can easily attach the SkyScanner 100 s altazimuth base to any field tripod equipped with a standard 3/8 threaded post. Thanks to its small stature the SkyScanner 100 makes a great grab-and-go telescope for road trip adventures camp-outs and just carrying to the local park. The SkyScanner features a rack-and-pinion focuser that makes it easy to dial in sharp focus. The included 4-element 20mm and 10mm eyepieces provide 20x and 40x magnifying power respectively. Both eyepieces have threaded barrels to allow use of Orion filters including the glare-reducing Moon filter that comes with the telescope. The EZ Finder II red dot scope helps with finding your target object. You also get Orion s MoonMap 260 - a wonderful reference to help you identify some 260 lunar features as you observe them. An excellent portable easy-to-use telescope at an affordable price the Orion SkyScanner 100mm TableTop Reflector is an ideal beginner s telescope capable of providing hours of family fun exploring the cosmos.