... reliability, AC8600 series with high brightness up to 10000 lumens (ISO) and 3500:1 contrast ratioare are able to ... Maximum ResolutionSupport to 3200 x 1200 PixelsBrightness10000 ANSI lumens (Std),8,000 ANSI Lumens (Eco)Contrast RatioUp to 3,500:1 ... projector other situation need huge projection size enough brightness high lumens project projectorACME Large Venue Projector Optoional Lens: Lens ModelAC ...