[Videolib] "in-focus projectors"

Steve Brantley (jbrant1@uic.edu)
Wed, 26 Jan 2005 15:38:19 -0600

Can anyone explain the difference between "in-focus projectors" as
opposed to overheard projectors or opaque projectors? is this a type of
projector or a brand of computer projector?
Steve Brantley

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