If we were to use say, this 7.1" LCD...
And say, project a 9' screen...
from
We'd need a 8.08" focal length for the lens.
15 March 2007
Lumenlab Focal Length Calculator
So I gave this site a quick test...
If we were to use say, this 7.1" LCD...
And say, project a 9' screen...
from132, no 131" away...
We'd need a 8.08" focal length for the lens.
If we were to use say, this 7.1" LCD...
And say, project a 9' screen...
from
We'd need a 8.08" focal length for the lens.
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2 comments:
How wide is our living room anywho?
13' x 17'
with the 13' being width of the wall with the window
and 17' being length of the wall with the couch
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