>There is no advantage at high ISO to the D600 over the D3s >higher than 1600 to 25k although there is a 1/3 stop advantage >to the D3s at 25k, the highest the new cameras go. >At all ISO from 1600 down, there is a substantial advantage >for the D800, D800 D600 and even the D7000. For those shooting >in available darkness the D3s and D4 is the camera to use. For >almost every other lighting situation the advantage is to the >newer cameras. >Color, DR, and resolution, flexibility of files all where the >new breed of very low noise high res cameras shine. Studio, >landscape, macro, architecture, portraiture etc are all >benefited by the new technology.
Why do you not put the D4 in the same category as the D800 and D600 ?
I now personally think she under exposed her photo so more noise was visible in the dark areas.