Here are some of my images with the EM-5 in a Nauticam housing with the 60mm macro lens, I have twin YS 110A strobes which I had my home made snoots fitted.
The vis was about 3 - 4m and very milky.
Karl
Pygmy Leatherjacket
Triple Fin
Duster worm - with a +3 wet lens fitted to the port