Vixen SX2-SBT (Star Book TEN controller) Equatorial Telescope Mount

Made for long observation sessions, Vixen #39;s Sphinx SX2 Equatorial Mount features precision motors and gears for accurate long-duration tracking. Mount Motorized equatorial mount with hand controller 27 lb payload capacity, excluding counterweights Precise azimuth adjustment indicators Integrated counterweight shaft retracts into mount when not in use Includes one 4.2 lb counterweight Vixen-style dovetail saddle Gears and Motors Two stepping (pulse) motors at 250 pulses per second 180-tooth full circle micro-movement wheel gear 40mm aluminum-alloy die-cast right ascension axis 35mm aluminum-alloy declination axis ±7° azimuth adjustment, twin tangent screws/knobs with about 1.2°/rotation 0-70° altitude adjustment, three altitude zone settings, 2° increment altitude scale, twin T-bar handles with 0.8°/rotation Star Book Ten Powered by mount through connector port, button battery included to keep internal clock running 5 #34; TFT LCD display with LED backlight 800x480 WVGA resolution Red backlit keypad Independent screen and keypad dimming control ST-4-compatible integrated autoguider port #34;GoTo #34; slewing with up to 1000x sidereal rate 272,342 celestial object database: SAO: 258,997, NGC objects: 7840, IC objects: 5386, Messier objects: 109, 7 planets, 1 quasi-planet, Moon, and Sun Programmable user-defined objects Automatic and manual GoTo Slewing Sidereal tracking with different tracking speeds for the Sun, the Moon, planets, comets, and artificial satellites including the International Space Station Backlash compensation Periodic Error Correction (PEC) removes inaccuracies inherent in gears and allows for more accurate tracking, especially for long-exposure astrophotography Hibernate mode Built-in speaker Software updates using LAN connection Compatible with Windows SP, Vista, 7, 8, amp; 8 Pro Not compatible with Mac, Linux, and Unix