The Nikon D4 has been touted as one of the fastest professional cameras around that is particularly suited for sports or action photography. It has a 16.2 megapixel CMOS sensor in the FX format that, along with the EXPEED 3 processor, allows for up to 11 frames per second. It has an ISO range of 100 and 12,800 in full, half or third stops. The camera has 51 AF points.
