The 253211FR Onyx 54 x 72" from Da-Lite is a permanently tensioned fixed-frame projection screen designed to be assembled in about 10 minutes The 4" wide beveled, extruded aluminum frame interconnects on site.
There are no snaps - a uniform tension is applied to the entire surface area to keep the screen perfectly flat
Fabric retention system enables you to adjust the surface tension up to 1.5", both vertically and horizontally in increments of approximately 3/8"
ReAct MS1000V Screen Surface
The ReAct surface is designed to control ambient light, while offering unity gain and a 60° viewing angle. It also boasts high contrast and color rendition, and is suitable for use with HD projectors. Black backing on the other side of the viewing surface helps prevent light penetration from behind the screen.