Glass Beaded screen conversion?? - AVS Forum
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Old 06-19-2001, 09:11 AM - Thread Starter
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I recently acquired a Draper Luma 2 screen with my projector. This thing is huge (12'X 12'), but it is all I have right now. Problem is it is a glass bead type & my projector is going on the ceiling this weekend. Has anyone tried resurfacing one of these screens. Spraying something on it would be nice. I would like to still be able to roll it up, so whatever I use would have to remain flexible. Any ideas? How about glueing a new surface on it?
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Old 06-19-2001, 01:40 PM
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In the mean time, get a chair, stand on it and see if there are any problems to really worry about. If the projector is currently on the floor, this might give you a good idea how things will look with you swap locations with the projector.
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Old 06-19-2001, 02:04 PM - Thread Starter
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I have done my best to determine what the picture will look like when the locations are reversed & I can see a difference. Draper actually says, "Glass Beaded is
Brighter on-axis viewing than matt white, excellent color rendition, with slight loss of clarity. The projected image is significantly brighter than matt white, but only within a 90° viewing cone. Therefore, glass beaded surfaces do not perform well with ceiling mounted projectors." That bit about "slight loss of clarity" bugs me too. It is possible that I am being unreasonably picky, but I know from experience with my audio system that compromizing has a cumulative negative effect. It's all in the details! So I'm gonna sweat the small stuff.
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Old 06-28-2001, 02:57 PM
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The information you have concerning the loss of clarity is correct. With thousands of round beads per square foot, a glass beaded surface will never be completely flat, effecting the definition of the image. This is why tensioned screens are the preferred screen for viewing.
You should be able to replace the surface of your screen. I don't wish to assume, but a 12X12 glass beaded screen leads me to believe you may have acquired a manually operated screen. If that is correct, I would suggest a matt white surface for replacement. I believe the folks at AV Science can help you acquire a new surface. If I can be of any service, please let me know.

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Bob Hadsell

Bob Hadsell
Home Theatre Sales Manager
DRAPER, Inc.
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