Nikon D810 FX-format Digital SLR Camera Body 36.3 MP FX-format CMOS sensor without an Optical Low Pass Filter (OLPF) 30% faster EXPEED 4 image processing engine 51-point AF system and 3D Color Matrix metering III with a 91,000-pixel RGB sensor ISO 64-12,800 expandable to 51,200.Broadcast-caliber audio control right in the camera Featuring a new RAW Small Size option, which produces 16MP images with much smaller file sizes.Lens Mount: Nikon F bayonet mount Professional video and audio capabilities