HoloPro Transparent Glass Projection Screens

HoloPro™ was the first transparent projection screen in the world and is the leading projection screen both in market and technological terms today. HoloPro™ is developed and produced by G+B pronova GmbH in Germany. Brookview Technologies is the North American distributor.

[@cwize]

uggghhhh sold and installed some of these back in the day. More of a novelty item.

[@MrAwsome514]

You must need a seriously bright projector for the image to overpower what ever is behind it...