Re: Frivolous reading matter FYI

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Good hearing from you, Andy. How are you? What is the weather like where you are? My husband just got the lawnmower out a few days ago, so he's probably wishing we had some snow {:->

Marilyn
----- Original Message ----- From: "ADavidhazy" <andpph@xxxxxxx> To: "List for Photo/Imaging Educators - Professionals - Students" <photoforum@xxxxxxxxxxxxxxxxxx>
Sent: Friday, February 19, 2010 6:14 PM
Subject: Re: Frivolous reading matter FYI


I hope the question was about FRONT projection and not rear projection. I better check!

They are retroreflective - much more efficient reflectors than normal projection screens. Similar to material used for highway signs and reflective tape used on various clothing apparel, etc. ~ andy

David Dyer-Bennet wrote:
Um, what is the special property of the screens used for rear projection?
http://people.rit.edu/andpph/a-tests/FINAL-SpeFex-2009-10-exam-winter-V2.htm



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