Orion 8968 SkyQuest XX16g GoTo Truss Tube Dobsonian Telescope Our 16" truss-tube GoTo Dob presents a perfect combination of big-aperture optics and sophisticated, fully motorized object location technology for the ultimate in Dobsonian telescope performance and observing convenience A big, 16" aperture telescope designed for maximum portability - both the optical tube and Dobsonian base can be broken down quickly without tools into easily manageable components for convenient transport in any standard size car Features accurate, motorized GoTo pointing and tracking of over 42,000 celestial objects within its GoTo system database, and enough aperture for great views of each one Closed-loop electronics forgive accidental bumps and allow the telescope to be moved manually without losing alignment of the GoTo system. Heavy-duty clutches on both axes allow independent adjustment of motion to desired level of resistance Huge 16" (406mm) diameter, convex-back parabolic primary mirror with enhanced, 94% reflectivity aluminum coating delivers outstanding views of faint deep-sky objects