Nikon D4S 16.2 MP CMOS FX Digital SLR with Full 1080p HD Video (Body Only) 16.2 megapixel FX-format CMOS sensor 30% faster EXPEED 4 image processing engine 51-point AF system and 3D Color Matrix metering III with a 91,000-pixel RGB sensor Noise-free shooting from ISO 100 to 25,600 Professional video and audio capabilities