The Skyline 12" Dobsonian telescope is packed with top-notch features and deluxe accessories Azimuth roller bearings and adjustable altitude trunnions provide silky-smooth telescope motion Precision 2" Crayford focuser features dual-speed adjustment control with 10:1 fine-focus Includes an 8x50 right-angle finder scope, Orion LaserMate Deluxe II Collimator, cooling fan, eyepiece rack, and more!