What color is the Fresnel reflective curtain?

Fresnel reflector is gray. It adopts the principle of Fresnel lens, which can effectively reduce reflection and refraction under specific structural design and provide anti-light and visibility effects. This kind of light screen is mainly used in the fields of display screen, photographic lens and stage lighting of electronic equipment to reduce light interference and improve image quality. Because it is transparent or colorless, it will not introduce extra color to the display screen or the object to be watched.