- Posts: 19
- Joined: Thu Aug 18, 2022 9:33 am
- Real Name: Andrew Grand
I haven't seen this behavior on my cameras at all (2 PCC4k, 1 PCC6k Pro, 1 UM46k, 1 UMPG1, 1 BMCC).
Pretty weird indeed.
Did you change the aperture after sunset?
But maybe there is a problem with electronics of the mount?
I would contact BM support if you are still in the warranty period.