Questions about 45° Viewfinder NA-32203

Hi,

I have a question regarding the Nauticam 45° viewfinder NA-32203 and I’m unsure what it actually looks like in real use. According to my research, the viewfinder is compatible with my Nauticam NA-A7CII housing, but it may require an additional adapter.

However, my research also indicates that these viewfinders are less optimal for cameras like my A7CII, and that the viewfinder image may not be fully sharp or may appear soft at the edges.

My question is whether anyone can provide more detailed information about this. I’m currently using an underwater monitor, but the topic of viewfinders still interests me from time to time, and in my opinion, it takes several dives to really find out what would work best.

Therefore, I’m grateful for any feedback.
Tino