The Optoma EH460ST Short-Throw Projector is the ultimate short-throw full HD projector for classrooms, corporate boardrooms and multi purpose offices. Its 0.5 to 1 throw ratio, bright 4,200 lumens and 20,000 to 1 contrast ratio produce incredibly vivid and sharp 152 in. images from 5.5ft. away that’s visible at 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. Go with the optimal solution, get Optoma.