This month, Optoma announced three new projectors for small-to-medium classrooms, training spaces and corporate environments. All three feature a 22,000:1 contrast ratio and a 15,000 hour lamp life. With a 1.1x zoom and vertical keystone correction, this affordable line of projectors is equipped with built-in assistance for easy positioning and installation. The projectors also feature a 10-watt speaker and extensive connectivity options, including HDMI, VGA, composite video, USB and audio-in to deliver immersive presentations and video content from a variety of devices. The S343 is SVGA/3,600 lumens with a native resolution of 800 x 600; the X343 is XGA/3,600 lumens with a native resolution of 1024 x 768; the W335 is WXGA/3,800 lumens and a native resolution of 1280 x 800.