I shoot on Canon Cinema cameras for most of my video, however I purchased a 90D to mount on a gimbal for walking around shots. When I used to put my old C100 on the gimbal, when I would pan back and forth on the gimbal, the video was super smooth. ...
Thanks for your reply. Unfortunately, that is not the issue. I suspect it is the "shutter" issue. On my EOS C cameras, I can turn the shutter off. Perhaps I will post a couple of clips to show the issue.