The camera is a QSI583ws attached to a 100-400mm telephoto lens via a mod'd adapter. I used a homemade mounting platform for the 583 camera and the lens, supported by an Orion clam shell style ring, added a homemade heater and extended the light shield that came with the lens. The lens is focused by a Walter Lee belt drive motor and controlled remotely by a Rigel variable speed stepper motor controller. This rig sets on top of a William Optics 66mm guide scope that is also remotely focused by an Orion variable speed motor. Tracking is provided by the Losmandy G11 w/Gemini 1. This is the same guide outfit I use with my 10" LX200 ACF OTA...I just remove everything setting on top of the WO 66 and slide what's left on the 10" LX200 ACF OTA all in one piece. Mount the QSI 583 on the 10" and I'm ready for closeups.