From the ManufacturerLight It Up and Match It Up With its high brightness level and a native 16:9 aspect ratio, the Optoma EP1691 easily matches up with todays widescreen laptops. Its diminutive, sleek design featuring the latest technologies and connectivity options make the EP1691 a compelling presentation tool. Native 16:9 aspect ratio and WXGA resolution Brightness of 2500 lumens and a 2500:1 contrast ratio Features DLP technology from Texas Instruments Elegant design and ultra (Click to see price and more reviews)