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This dual axis motor drive, with drive corrector capabilities, is designed for Celestron's CG-4 telescope mount. It precisely controls the telescope's tracking speed during long, timed exposures of celestial objects, producing the best possible image sharpness.
Precision drive correction is a must for those with serious interest in astrophotography or CCD imaging. Four speeds are available-1x ( sidereal), 2x for guiding, 4x & 8x for centring.
The precision, state-of-the-art DC motor drive operates from 4 "D" batteries( not included). The hand controller module is very compact, and fits easily in the palm of your hand.