If the vertical angle between the projector->screen and eye->screen is more than about 15 degrees, (this is a number given to me by Da-Lite customer support) you will start to lose the gain benefits of the High-Power surface. Same as in the horizontal direction, but you have about 25 degrees in this case.
So, lets assume eye level is 4ft, and your projector is at 6ft (a 2ft delta). Then as long as the screen is at least ~7.5 feet away, you should be fine.
Andy K.
So, lets assume eye level is 4ft, and your projector is at 6ft (a 2ft delta). Then as long as the screen is at least ~7.5 feet away, you should be fine.
Andy K.