Thank you for the positive feedback, its especially gratifying when people like different images. While it is nice of you to say it is nothing to do with the kit, you are wrong. Certainly many of the fish spawning pictures were only possible because the D2X AF could lock on the fish in the low light. They are shots I've never been able to take before.
I lucked in a bit with the flounders. Most of my fish mating photography is planned in great detail, but on that occasion Giles and I had jumped in early so he could test his camera - and we had agreed to stay in the shallows for a bit before going down to see the hamlets. And there we bumped into the flounders. Attached is a shot of the start of the spawning rise - good for behaviour, less good graphically, I think.
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The sunburst question is harder to answer. And I'm still not sure how good the D2X is. Sometimes it exceeds my expectations in this area, other times it underperforms. Attached are two images (Basic JPGs) straight from the camera - both are fine - neither is perfect. I think in summary I would say its not perfect, but I don't fear pointing it at the sun.
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Finally the freediving. I have always been a bit skeptical about freediving. Never saw the point, I guess. That was until I went and watched it live. It is amazing. WOW. I'd encourage anyone to go and see it. Plus Kirk and his team are really nice people - even to a random camera monkey flapping about on SCUBA!
I feel pretty lucky to have been able to go along - as I have 2 projects at the moment that needed freediving images and I had no idea where I was going to get them. It also gave me the chance for some banter with wetpixel member Chris Brandson and to go wow at the Hi Def Sony camera he was using in a Gates housing.
Alex
p.s. Mike, I am doing B&W in post processing - but very much thinking in black and white when taking the images.