Optoma HD75- The 'flat out' winner 2008-03-24 Optoma Launches New Lightweight Multimedia Data Projectors 2007-11-13 Optoma Launches Versatile Multimedia Digital Projector 2007-11-13 Optoma Introduces New Ultra-Portable Digital Projectors 2007-11-13 Optoma Adds to Its 1080p Home Theater Projector Line-Up 2007-11-13         DV11 Resolution/ 800x600, capability up to 1280X 1024 SXGA Brightness (typical)/ 1600 Lumens Contrast Ratio/ 2200：1