Orion Sirius EQ-G Computerized GoTo Telescope Mount The Sirius EQ-G equatorial telescope mount and tripod supports up to a 30-lb. load for all your visual or astrophotographic applications Select from among 42,900 celestial objects using the intuitive menus on the computerized GoTo hand controller Take an automated tour of the finest celestial showpieces with the GoTo system after a simple alignment procedure The tripod is remarkably sturdy with 1.75"-diameter stainless steel legs and cast-metal spreader plate Includes a polar-axis scope for easy polar-alignment, 8.3" dovetail mounting bar with optical axis offset adjustment screws, one 11-lb. counterweight, 12V DC power cable, and more - requires 12V power supply for motorized operation (power supply sold separately)