Gday Mate
Focuser is the Moonlite CS with the high res stepper motor
http://www.focuser.com/cgi-bin/dman....cgi&product=CS
and the controller is the Cercis Astro controller
http://www.cercisastro.com/DslrStar.html
Both support focus max operation - after calibration it is just click to focus and it (focuis) has always been perfect