The Optoma HD73 is a native 720p home theater projector that offers amazing performance and picture quality. Based on Texas Instruments’ DarkChip3™ DLP® chipset, the HD73 also features the latest color processing technologies that deliver higher brightness and more vibrant colors to the projecting image. At 1100 lumens and a 6000:1 contrast ratio, with ImageAI™, the Optoma HD73 takes the high-definition home theater projector to a higher level.