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Old 12-13-2009, 11:11 PM   #1
dolphinc dolphinc is offline
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Default White or Grey Projector Screen?

I currently have a 106" Grey .08 Gain Elite Screens projector screen. I have been reading articles about different types of screens and when to use them. It seems the census is that you should use a Grey screen when you have a low contrast projector (under 2000:1 contrast) my current projector is 10000:1 contrast.

What I want is the brightest colors that pop off the screen. Should I change to a 106" white 1.1 gain? Will I notice a difference in the colors? Any help is appreciated. Here is my setup.

Room is 16X18
I have total control of ambient light. I can make the room completely black
Dark wall where screen is and a black ceiling.
Epson 720p Projector with 10000:1 contrast
Seating is about 12' from the screen.

Thanks
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Old 12-13-2009, 11:35 PM   #2
Big Daddy Big Daddy is offline
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http://www.projectorcentral.com/whit...on_screens.htm
Quote:
Should I use classic white or high contrast gray?
Evan Powell, May 24, 2004
ProjectorCentral.com

There are two kinds of screen materials widely used for home theater. One is the traditional white that has been in use for decades, and the other is a light to medium gray. The concept of the gray screen was first introduced by Stewart Filmscreen with their Grayhawk product in 2001, and gray screens have become immensely popular ever since.

Gray screens are often called high contrast screens because their purpose is to boost contrast on digital projectors in viewing rooms that are not entirely dark. The gray screen absorbs ambient light that strikes it better than a white screen does. In so doing the black level on the screen is maintained. This works because, assuming the projector has ample lumen output as most digital projectors do, whites remain satisfyingly white while blacks are maintained at a deeper black. The net effect is to increase the contrast range of the image on the screen.

When the gray screens first appeared in 2001 digital projectors of all types were very much contrast challenged. Thus anything that could help boost contrast performance was a welcome addition to the home theater system. However, during the last three years contrast performance of digital projectors has increased at a rapid pace. Today's highest contrast projectors claim contrast ratios of up 3000:1 and higher. Though these specs are theoretical in nature and never achieved in real life, the fact is that contrast has improved considerably across the board on all digital projectors in the last three years.

Are gray screens still relevant?

We hear claims that today's high contrast DLP projectors have rendered gray screens obsolete. This is not so. It is true that high contrast projectors when used in a totally light controlled environment should be used with white screens. However, a totally light controlled environment entails much more than just being able to turn the lights off. You must consider the latent contrast value of your viewing room as well.

Do you plan to have a dark theater room, with dark walls, ceilings, furniture, carpets? Do you plan to view with no ambient light in the room, just as in a commercial movie theater? If the answer to these questions is yes, then by all means your best solution is a white screen with a high contrast projector. The true videophile will go to great lengths to establish these viewing conditions-this is classic high-end home theater at its best.

However, most home theater enthusiasts don't have the luxury of a dedicated, fully darkened viewing room. Projection systems are frequently set up in living rooms, multi-purpose entertainment rooms, and family rooms that have light colored walls, ceilings, drapes, etc. Thus, even when the lights are fully off, the light being reflected from the screen will bounce off of the reflective elements in the room and back onto the screen. In this situation, a gray screen will be more effective at killing this incident light and thus maintaining deeper black levels on the screen.
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Old 06-13-2011, 08:26 PM   #3
Allforce Allforce is offline
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I'd like to have a more recent take on this then 2004, as I'm strongly considering a gray screen now for my finished room. There's one basement window that can be blocked but I DO prefer to watch movies/sports with some ambient light on so is a gray screen at .8 gain a better option than a 1.2 white screen using an Epson 8350?
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Old 08-05-2011, 06:27 PM   #4
victorvondoom88 victorvondoom88 is offline
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Its best to get material samples & decide for yourself but when I did it I couldn't deal with the skewed color pallet of the gray "high contrast" materials. I sometimes have a small lamp (20w) on my end table on if I'm eating or something. I use a 1.4 gain brilliant white screen. As long as you can minimize the light directly hitting the screen and the lamp is a good distance from the screen its not too bad. Certainly watchable but better without the light.
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Last edited by victorvondoom88; 08-05-2011 at 10:07 PM.
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