Not a bad review.

Worth mentioning again for Nauticam users that the zoom ring for the 24-50 fits the 16-25 perfectly (I just checked and Nauticam port chart still doesn't include the 16-25).

Out of curiosity, did you try this lens with 140 dome? Your review only mentions the 180.

I found I got slightly better corners with the 140 cf the 180 Nauticam domes. I don't know why that could be so I will retest to check.

I often test other ports for my own use but the 140mm is not a port that will be recommended by manufactures so I went with the 180mm which will be recommended along with the 230mm. Will test with the 140mm at some point but didn't have time before this review.

I would definitely be interested to see what the Nauticam port chart indicates for this when they (hopefully) update it. I already have the 180mm dome and would likely buy this lens if I "only" had to buy an extension and zoom ring.

- brett