The nikon d4 is a professional digital slr designed to revolutionise photography it features a 162 megapixel fx format cmos sensor that allows up to 11 fps the fastest ever on a nikon dslr the expeed 3 image processing engine assists in recording images at phenomenally high iso up to 204 800 it is nikons first fx body that is capable of recording movies in full 1080p hd the nikon d4 is also equipped with dual card slots including the brand new xqd a new high speed and high capacity mem