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Author: TMFTwitty Big funky green star, 20000 posts Old School Fool CAPS All Star Add to my Favorite Fools Ignore this person (you won't see their posts anymore) Number: of 21142  
Subject: Re: infrared... Date: 11/17/2012 10:43 AM
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Those are digital, according to the introduction. You just need a camera with a sensor that is sensitive to infrared instead of visible light. They can be very pricey, but you can also use it to get a picture of that neighborhood prowler at night :)

Richard
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