Nikon D810 FX-Format Digital SLR Camera (Body) - International Version (No Warranty) 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 Featuring a new RAW Small Size option, which produces 16MP images with much smaller file sizes