I filmed this BTS with two GoPro Hero3 Black editions
I photographed Maria underwater, the pictures can be found here:
I was using mt new Light&Motion NightSea UV light, the blue colored light you see in the video.
Pictures was taking with 5dmk3 in Ikelite housing.
Johanna was assisting me with safety and with the model.
Music is licensed from Mobygratis.com