The clock is analogue. It's just a test before I do an interview. I did an interview two weeks ago and noticed this exposure issue and so decided to run a series of tests. The AF Method is Face Tracking and the problem occurred with both Movie Servo ...
I've had a problem with using AUTO ISO for videos using my Canon 5D IV. I've tried filming a clock for 10-20 minutes in constant photographic lighting condition using manual shutter speed (30) and aperture (2.8). I filmed the clock with both a Mark I...