Vivitek D952HD 3600 Lumen 1080p Office and Home Theater Projector DLP and BrilliantColor technologies from Texas Instruments with VividWheel III for improved color reproduction and automatic gain control 3600 lumens of brightness with a 3000:1 contrast 16:9 Native Aspect Ratio, 4:3 compatible 1.2:1 manual zoom and focus 1.6 to 1.92:1 distance/width throw ratio