As expected, the Nikon D4's Live View mode adds considerable AF ... We also use the same Sigma 70mm f/2.8 macro with every camera (on all platforms except Four Thirds/Micro Four Thirds and Nikon ...

Here, we can see the 16-megapixel Nikon D4 performs the best in terms of noise at higher ISOs. That's no surprise, though, given it has the largest photosites of this group (pixel pitch of 7.3 ...

This means that it sits somewhere below the D4 and above the Nikon D7100 in the brand's lineup and is aimed at pros, 'enthusiasts' and those who just want an insanely cool-looking camera.