Check out the videos I have done over the past few years lobstering in the Keys. I use the Go Pro Hero cameras and Sony Nex 5/5n. Subscribe to my youtube channel to see more of my underwater videos. https://www.youtube.com/user/sgreen063
http://youtu.be/_94hc4Dixfw
http://youtu.be/_mHdwlZHtDE
Enjoy!