I used with a Nikon 60mm f2.8, on a very dark and gloomy day. For reference purposes, the water temp was 4 degrees, and I lost all sensation in my hands for most of the dive (despite dry gloves!) The port gives really nice results-sharp and it corrects the parallax that you get with conventional flat ports. I will definitely try it some more
Microsoft Bing Wallpaper
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One of my photos depicting a social unit of sperm whales (*Physeter
macrocephalu*s) appeared as Bing Wallpaper of the day in the US:
[image: sperm whale s...
2 days ago