The Optoma EH460ST is the ultimate short throw 1080p projector for classrooms, corporate boardrooms and multi purpose offices. Its 0.5 throw ratio, bright 4,200 lumens and 20,000:1 contrast ratio produce incredibly vivid, sharp and large 152-inch images from 5.5-feet away that’s visible practically any time of the day. Support for sRGB and REC.709 color profiles ensures accurate color reproduction whether the source is PC, Mac or video devices.