The Fscreen Fresnel ALR Projection Screen adopts advanced optical design technology, which gives it extremely high ambient light rejection capabilities. Whether it is indoors or outdoors, even under strong lighting, the projection effect can remain clear and realistic, allowing you to achieve the ul
At the 2018 Shenzhen Hi-tech Fair, Fscreen exhibited a Fresnel Lens with a diameter of 4 meters. The Fresnel Lens consists of 19 lenses and every Lens contains 13,333 circular optical bands, and the machining accuracy is nanoscale!Fresnel lens is a flat plate, which simulates a 4-meter reflector par
