Tripod Projection Screen Tripod Screen Party/Projection Screen Question?

Party/Projection Screen Question? - tripod projection screen tripod screen

For My Sweet 16, I would like a photo montage of me. I have the projector, but I need the real screen.

I wonder whether this monitor for 120 people see decent:

http://www.projectorscreenstore.com/Da-L ...

and an estimate of the size 40x40 something?

sorry if this is confusing