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Author
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Topic: 3D Rental Package
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Stephen Furley
Film God
![](http://www.film-tech.com/ubbmembers/1277b.jpg)
Posts: 3059
From: Coulsdon, Croydon, England
Registered: May 2002
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posted 04-25-2011 02:04 PM
No, the Dolby system for example uses passive glasses, but does not require a silver screen. All polarised systems require a silver screen. non-polarised systems do not require a silver screen but they are sometimes used simply to get more light; silver screens have a higher gain than white ones, but the price to pay for this is they are highly directional; if you have a wide auditorium then the picture will be very dim when viewed from the sides. Silver screens are also subject to 'hot spotting' and are very sensitive to marks, fingerprints etc., on the surface which are almost impossible to remove. A silver screen is probably not really suitable for a temporary installation.
Somebody, I think it was Steve Guttag but I'm not certain, made a post recently in which he described each of the currently-available 3-D systems, but I can't find it at the moment.
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