- This single axis motor drives, designed for  EQ5 mounts, are essential in long-exposure astrophotography. They precisely control the telescopes’ tracking speed to compensate for the earth's rotation during the long exposure of celestial objects. Available in 2x, 4x, and 8x speeds through the Hand Controller. These DC motor drives run on 4 "D" cell batteries (not included). Motors for RA axis, clutches, cables, hand controller and battery case are included.