Celestron 21088 Omni XLT High quality optics start with each lens being hand selected so only the finest grade of optical glass is used StarBright XLT coatings provide maximized light transmission CG-4 German Equatorial mount with slow-motion controls to accurately track sky objects Ball bearings in both axes of the mount for smooth performance Easy no-tools setup, Heavy-duty pre-assembled stainless steel tripod featuring 1.75" legs, accessory tray, and bubble level