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This photograph of Fur Seals was taken in a depth of about 5 to 6 metres at Martin Islet near Wollongong, NSW Australia on 14th September 2019.

I used my Nikon D500 digital SLR with a Sigma 17-70mm lens at a focal length of 10mm on manual setting and two Inon Z-330 strobes on TTL. ISO 800, 1/250th sec, aperture F13, Exposure Compensation 0.