7_blue_ringed_octopus5_d2511.jpg
This photograph of a Blue Ringed Octopus was taken at a depth of about 8 to 9 metres at The Pipeline, Nelson Bay, NSW Australia on 18th May 2015.

I used my Nikon D7000 digital SLR with a 60mm Nikon lens on manual setting and two Inon Z-240 strobes on low manual settings. ISO 500, 1/30th sec, aperture F6.3, Exposure Compensation 0.