As always, ambient light is the enemy of two-piece projection. This is truly a great screen fabric.
Optoma ZH420 3D DLP Projector - 16:9 - White
Optoma ZW350e 3D DLP Projector - 16:10 - Portable - White
Optoma ZH420 3D DLP Projector 16:9 White
Optoma HD30LV 3D DLP Projector - 16:9 - Portable - White