Optoma UHD51 4K Smart Project Highlights:White CasingDLP Projection Technology4K UHD (3840 x 2160p) Resolution2,400 Lumens – Bright enough to handle a moderate amount of ambient light500,000:1 Contrast RatioGood Lamp Life – 4,000 Hours in Full Power, 10,000 in ECO, and 15,000 in Dynamic Mode1.3:1 Manual ZoomVertical Lens Shift (+/- 10%)Built-..
