David Busch's Nikon D3/D3x Guide to Digital SLR Photography Provides an overview of the features included with the Nikon D3/D3x. This guide explains the purpose and function of the Nikon D3/D3X's basic controls, how to use them, and why. It includes explanations of file formats, resolution, aperture/priority exposure, special autofocus modes, focus zones, Bokeh, and flash synchronization options. Full description