Optoma ZK810T Short Throw Laser Projector - BlackOptoma ZK810T Short Throw Laser Projector Black The Optoma ZK810T Short Throw Laser Projector is engineered to transform large format presentations in education, museums, houses of worship, and other high demand venues. With a laser light source designed for exceptional durability and reliable performance, this model delivers stunning 2160p (4K) visuals, vibrant HDR content, and consistent brightness that remains steady over the projectors long life.