Q: What is the difference between the CineGrey and CineGrey 3D® materials?

The CineGrey is a matte grey painted projector surface. It is ideal for older projectors that have a lot of brightness but not so much on adjustable contrast levels. The Cinegrey 3D® is a specialized material that is ambient light rejecting. This means you get superb dynamic range in color and black levels in either a light or dark room.  Screen Material Comparison (Click Here)