Silfra crack in Iceland, all photos taken from the land holding my housing underwater.
White dots on the surface is hail.
GH4 with 8mm, Nauticam with 4,33" dome, no strobes.
Cheers!
P2260283Sweb by Xander, on Flickr
P2260323Sweb by Xander, on Flickr
P2260491s2web by Xander, on Flickr
P2260556sweb by Xander, on Flickr
P2260496sweb by Xander, on Flickr
Great pictures ! I might do the same or bring a tight wetsuit. 
Very nice... especially since only your hands got wet!
Beautiful images, but I'm pretty sure they don't count unless you were at least standing in the water. ;-)
Cheers,
Steve