Maximum throw

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What happens when you exceed the maximum throw of a projector?  Does it
result in an out of focus image or simply a larger image? (or some
other problem?)

I've got 23 feet between my bookshelf and projection wall and am trying
to decide if I have to go with a pull down screen or ceiling mount to
put the projector (Panasonic PT-AE900U) at 20 feet.

Ideally, I could use both the bookshelf and the wall.



Re: Maximum throw

The image just gets larger and dimmer.  Shine a flashlight on the wall
from 3 feet and observe.  Now shine it on the wall from 20 feet.  The
projector behaves just like the flashlight.

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