AVS Special Member
Join Date: Aug 2005
Location: Brisbane, Australia
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Whilst others will disagree, I like 3.68 times the image height. Given that your going scope, you could also work that as 1.54 time the image width (both work out to be pretty much the same in scope BTW)...
With your projector mounted at the given distance (14 ft), and at min zoom (smallest image), how wide is the 16:9 light beam? If your happy with that image height, measure and times that by 2.37 to work out how wide the image will be...
I love my Constant Image Height system!