From: Tom B Whiteside (email suppressed)
Date: Wed Mar 15 2006 - 08:29:18 PST
Optical solutions to keystone problems are common in video projectors; in
film the only solution that I know is to change the angle of the screen.
If you are always projecting from the same angle (ie, from the booth, not
from the floor of the room) this can be a permanent solution.
- Whiteside
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