I bought a 7DMKII and the Nauticam housing earlier this year, and so far really love it. camera and housing are well designed, easy to use, and AF is great.
I've only done a handful of dives with them so far, but have noticed something that I wonder if anyone else has experienced: the cold shoe mount seems to somehow loosen during a dive. so far no major issue with it, but if I don't check/tighten it in between dives, it can sometimes come off after I put it back in my padded bag when I'm done for the day.
seems like it needs to be looser to mount it than it does to remove it. again, it's fine if I check it regularly, but seems like there may be a slight design issue here. has this been the case for anyone else? or for previous Nauticam housings?