So, I just picked up an ex-rental Oppenheimer Camera Moviecam SL for a song. Was wondering if it was possible to retrofit the 24v DC power connector to the modern Arri standard 2-pin Fischer to 3pin XLR so I can use Arri cables and Arri compatible block batteries?   Also, was on the lookout for compatible ground glasses. Does anyone know if the Compact GG's work?   Finally, are there 3rd party speed controls (like Cinematography Electronics) that would allow the camera to run 2-40fps like th