Orion 10014 SkyQuest XT4.5 Classic Dobsonian Telescope Compact and lightweight - a perfect Dobsonian reflector telescope for traveling or easy trips to the backyard at home 4.5" aperture and 900mm focal length provide clear views of lunar craters and plains on the Moon, planets, bright nebulas and galaxies Sturdy and portable Dobsonian base and handy navigation knob allow for effortless maneuvering of the reflector optical tube Collects a whopping 260% more light than a typical beginner-level 60mm refractor telescope - which means hundreds more objects will be visible through the Orion SkyQuest XT4.5 Classic Dobsonian Includes two eyepieces (25mm and 10mm focal length Sirius Plossl), 6x30 finder scope, 1.25" rack and pinion focuser, collimation cap, eyepiece rack, Starry Night astronomy software, and more!