Projection System: Epson 3LCD, 3-chip technology, LCD Panel: 0.59-inch panel (D9), Zoom: 1-1.2 (Optical Zoom), Projection Distance: 60" screen 1.35 - 1.62 m, Throw Ratio: 1.04 (Zoom:Wide), 1.26 (Zoom:Tele), Projection Lens F Number: 1.58mm-1.70mm, Projection Lens Focal Length: 13.52mm-16.22mm, Focus Method: Manual Focus, Offset: 0.417361111111111, Colour Light Output: 3,000 Lumens, White Light Output: 3,000 Lumens, Resolution: WXGA. The Epson EB-1780W V11H795053 Portable Multimedia Projectors is compatible with the latest laptops and media players and supports HDMI. The 1700 series is so compact.