The Nikon D3 is Nikon Corporation's newest-generation professional digital SLR, oncorporating a large CMOS image sensor developed by Nikon. Nikon is a new entrant into the CMOS image sensor market (the previous generation Nikon D2 was found to contain the Sony IMN007 image sensor) but Nikon's stated focus on high-end SLR's translates into an innovtive new design. This imager process review will take you inside the core technology of one of the leading companies in the digital SLR market. The D3 features 12.1 effective megapixels and a sensitivity range from ISO 200 to 6,400 at normal setting.