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This photograph of a Seahorse was taken at a depth of 10.1 metres at The Pipeline Nelson Bay NSW Australia on 16th October 2020.

I used my Nikon D500 digital SLR with a Sigma 17-70mm lens at 70mm and two Inon Z-330 strobes on low manual settings. ISO 320, 1/250th sec, aperture F16, Exposure Compensation 0.