Its milky white color makes for equally bright, crisp images whether front or rear projected. This means a designer can cross fade between front and rear projections unnoticed. Twin White's wide viewing cone assures everyone in the audience an undistorted image. Ambient light can be a concern so take care when lighting around the screen to minimize bounce light. All screens are designed for excellent color rendering and good contrast with a wide range viewing cones. Rosco screens are specified by major opera houses and theatres around the world. All screens are durable, washable and inherently flame retardant and should be viewed from the matte side to help minimize the unwanted effects of ambient light.