Thanks @shadowsports, I've reset the camera settings now and will keep an eye out to see if it happens again.@jerseyjon - what settings do you have for Settings -> Viewfinder brightness?
Having the same issue with my R6 Mark II. It’s happening more often now and has become a pretty annoying distraction during events—sometimes I miss the moment because I have to take my eye away to fix it and come back to VF view. Since it seems like ...