Canon Community

I am using a Canon CN20x50 lens with a Zoom Demand ZSD-300D and a Focus Demand FDP-400D. When I use the Focus Demand, the lens shakes/vibrates. I have checked the manuals and couldn’t find any information about this issue, so I would like to know if ...

I'm having difficulties while using my C300 MKIII and a full set of Cine-Servo lenses. In theory - based on the user's guide - the autofocus must have worked after a quick settings ajustment, but that's not happening. My camera has a PL mount origina...