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Author
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Topic: Screening room question
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Harry Robinson
Expert Film Handler
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Posts: 155
From: Franklin Tennessee
Registered: Dec 1999
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posted 12-02-2000 12:52 AM
After a year and a half, the old screening room is beginning to come together. We have moved into our new home and I have the entire upstairs for the theater.The area is 31'4" by 13'10". Ceiling is 7'6". Roof corners encroach three feet of ceiling starting at 5'11". So I have 10' of unencumbered ceiling. I can hang a 5' X 12' front-mounting snap screen from 78" which leaves me 18" floor clearance. We are building an 8 X 10' booth at one end of the room, and I will be hanging the screen 2'4" from the back wall in order to allow for speakers and access to an attic. Throw distnace should be around 22'. I am elevating the projector 1'4" which will put the lens at a little more than 5'. My question to you guys who have dealt with this before is, will this work? I have a 5' X 11'6" screen on order. It will give a little more floor clearance, but I hate to sacrifice image size. Let's face it. That's one of the biggest rushes about this hobby. If you guys say go with the smaller screen, I'll bite the bullet. If you think this could work at 12', I can call and change it on Monday morning.
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Pat Moore
Master Film Handler
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Posts: 363
Registered: Mar 2000
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posted 12-02-2000 06:44 AM
Here's my two cents worth, Harry.Yep, this would work -- sightlines are the only issue. Since you're raising the projector it will help, but I assume all seating is at floor level. Lenses are nice, 50mm Flat and 75mm Scope, somewhere around there. You've got a 34-degree or so viewing angle from the last seat location, so the image will "appear" meadium-large sized. If you've got room to do it, go to 12ft width. You'll only need it for CScope, but you might miss it if it's not there. The Scope picture would "want" to be around 12.5 wide. I might disagree a bit with Brad, depending on your light source and lenses, on the type of screen. A matte surface will always look nicer to me if you've got the light for it. Pat
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John Pytlak
Film God
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Posts: 9987
From: Rochester, NY 14650-1922
Registered: Jan 2000
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posted 12-04-2000 08:06 AM
I also agree with Pat on going with a matte (gain=1) screen for a home screening room. On a small screen you'll have plenty of light with almost any xenon lamphouse, and the matte screens aren't directional like the gain screens, so getting good uniformity will be much easier. You should also consider using a 3-blade shutter to minimize flicker, since you probably will still have plenty of light for a small screen and don't need the higher efficiency of a 2-blade shutter.------------------ John P. Pytlak, Senior Technical Specialist Worldwide Technical Services, Entertainment Imaging Eastman Kodak Company Research Labs, Building 69, Room 7419 Rochester, New York, 14650-1922 USA Tel: 716-477-5325 Fax: 716-722-7243 E-Mail: john.pytlak@kodak.com
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