This is set at ISO1600, flash at quarter strength and covered with keenex, macro setting. I'm sitting on the couch I dragged over and am about a foot away from the tank. My arms are rested on the arm of the couch so camera movement is nil. Just using tank lights (filters off) and the rest of the house is dark.

This one is just cropped:


This one is the same cropped one but with "florescent light" removed and "auto contrast" done in Adobe Photo Deluxe Home edition (the program is crap but it's all I have.)


As you can see, there is not much difference. Some times the pic will come out rich but lots of flash bounce and when that happens, I get red-eye.

Is my camera simply not capable of taking detailed shots of fish?