With a short throw projector, you can project a large image from a short distance. This way, you can use a projector in even the smallest rooms. They're suitable for presentations in classrooms or meeting rooms. You can also use a 4K short throw projector as a home cinema projector without any problems. By placing a short throw projector close to the projection surface, nobody will walk through the image. With an ultra short throw projector you can enjoy a 50-inch image size from 10 centimeters away.