Orion 9829 SkyView Pro Equatorial Telescope Mount Heavy-duty SkyView Pro equatorial mount and tripod provides a solid and stable foundation for astronomical telescope use Supports telescope tubes weighing up to 20 lbs; tubes attach via an included quick-release dovetail bar Slow-motion knobs on Declination (Dec) and Right Ascension (RA) axes allow fine manual motion control and tracking of celestial objects as they appear to migrate across the night sky Includes two counterweights (4 and 7.5 lbs) Total weight with counterweights equals 35 lbs. Accepts optional TrueTrack dual-axis electronic drive or our SVP GoTo upgrade kit (both sold separately)