Orion Atlas EQ-G Computerized GoTo Telescope Mount The heavy-duty Atlas EQ-G equatorial telescope mount and tripod has ample strength to support up to a 40-lb. equipment load to easily manage all visual or astrophotographic applications Select from among 42,900 celestial objects to explore using the intuitive menus on the computerized GoTo hand controller Internal DC stepper motors offer nine slew rates ranging from 2x to 800x sidereal and three tracking rates: sidereal, lunar, and solar Features a convenient CCD autoguider jack; weighs 54 lbs. without counterweights attached Includes an illuminated polar-axis scope for easy polar-alignment, 13" dovetail mounting plate, two 11-lb. counterweights, 12-volt DC power cable, RS-232 cable, and more - requires external 12-volt DC power source or AC-to-DC wall adapter (sold separately) for motorized operation