The Nikon D3 is not just a refined version of the D2x, it is an altogether new, more capable camera. It may not have as many megapixels as some of its competitors but this is more than offset by extremely low noise and superior tonal gradation and colour rendered by 14-bit processing. Its great image review tools and screens, Live View with a live histogram, impressive ISO capabilities and Nikon s most effective autofocus system so far make this an incredibly usable and sophisticated system to be reckoned with. The Expanded Guide to the Nikon D3 is fully comprehensive and will empower photographers to make best use of the array of functions and features this system has to offer, with superior results. It also includes a quick reference card so you can familarise yourself with the camera controls at any time.