The iEQ45 is the first in a new breed of premium astro-imaging mounts from iOptron. The iEQ45 offers the next generation GoTo technology from iOptron -not to mention built-in 32-bit GPS. With a payload of 45 lbs. balanced - it comes standard with a calibrated dark field illumination polar scope and a sturdy 2-inch stainless steel tripod. It also fits both Vixen and Losmandy-type mounting plates. Its lighter weight (only 25 lbs.) makes it much easier to carry.