https://vimeo.com/59872004 link to snippet of hammerhead shark buzzin us at Cocos Island, 300 miles west in the Pacific of Costa Rica. Shark vid shot in 106 fsw w/ available light via nex5n in a nauticam w/ a nikonos 15 mm lens. Video set with program auto, iso 3200, custom WB set. Nikonos 15mm set to f 8. .. went off the grid for a few weeks to Costa Rica and did the Seahunter liveaboard dive boat to Cocos Island. Vis was so-so, seas calm. Diver in film is Paul Hudy of the BFDC.