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This photograph of a Sea Turtle was taken in a depth of 4 to 5 metres at Arraial Dos Cabo, Rio De Janeiro, Brazil on 16th February 2015.

I used my Nikon D500 digital SLR with a 10-17mm Tokina lens at a focal length of 10mm on manual setting and two Inon Z-240 strobes on TTL settings. ISO 800, 1/160th sec, aperture F22, Exposure Compensation 0.