What's the best Da-Lite screen if people 20-30 feet back need to read text? - AVS Forum
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post #1 of 16 Old 08-06-2014, 04:22 PM - Thread Starter
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What's the best Da-Lite screen if people 20-30 feet back need to read text?

I'm looking at Da-Lite high contrast matte screens. I'm curious which ones would be best for reading text from far away in mid-high ambient light rooms?
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post #2 of 16 Old 08-06-2014, 09:12 PM
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What you're asking about is difficult to accomplish with front projection, at least if you care about picture quality. I don't believe that Da-Lite makes any good ambient light rejection screens. You should be looking at SI's Black Diamond or a DNP Supernova for that application.

You'd get better results using an 80" - 90" LCD TV as your display. Sharp & Visio have a few models in that size category.
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post #3 of 16 Old 08-07-2014, 04:57 AM
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Originally Posted by vangeliss View Post
I'm looking at Da-Lite high contrast matte screens. I'm curious which ones would be best for reading text from far away in mid-high ambient light rooms?
For what purpose do you want this screen for? It sounds like you're looking to read text in either a buisness room or education room environment. In that case you'll be better served by a white board and an ultra short throw projector.
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post #4 of 16 Old 08-07-2014, 02:51 PM - Thread Starter
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Originally Posted by henrich3 View Post
What you're asking about is difficult to accomplish with front projection, at least if you care about picture quality. I don't believe that Da-Lite makes any good ambient light rejection screens. You should be looking at SI's Black Diamond or a DNP Supernova for that application.

You'd get better results using an 80" - 90" LCD TV as your display. Sharp & Visio have a few models in that size category.

The current plan is for a 133" screen, and one of these projectors -
http://www.projectorcentral.com/BenQ-SH940.htm
http://www.projectorcentral.com/Sony-VPL-FH31W.htm
http://www.projectorcentral.com/Optoma-EH501.htm
http://www.projectorcentral.com/Panasonic-PT-AR100U.htm
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Originally Posted by ben38 View Post
For what purpose do you want this screen for? It sounds like you're looking to read text in either a buisness room or education room environment. In that case you'll be better served by a white board and an ultra short throw projector.
We'll be doing tech meetups, watching movies, so 20-30 people in the room. Text, video etc..
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post #6 of 16 Old 08-07-2014, 05:26 PM
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Your first three picks are definitely light canons and should do well for your application. You might want to drop the Panny.

The Supernova 08-85 and Black Diamond .8 are tops at rejecting ambient light. The Supernova has fewer picture artifacts (hotspotting, sparklies) than the BD. Those are both expensive specialty screens however. If you need something less pricey, a basic dark grey material may suffice. Da-Lite's darkest is their HD Progressive 0.6.

You might want to contact one of the AV Science store reps to get their recommendations.
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post #7 of 16 Old 08-07-2014, 07:51 PM
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The First three are true Data projectors that can also be used for movies. The Panasonic is a Home theater projector that can be used for data if need be. It depends on what application you think you'll be using the projector the most for.
The Benq and the Optoma both use DLP technology. If some of the viewers in your group are RBE sensitive, you might want to consider dropping these two.
That Leaves the Sony and the Panasonic. The Sony will do Data better, the Panasonic will do movies better. Again it depends on what you will use more.
As for what screen to use. I'd probably just stay with a regular white screen, because with a big crowd of viewers I would want to have the widest viewing cone possible with the least amount of artifacts. (Sparkles and Hotspots.) Just turn the lights down when it's movie time.
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post #8 of 16 Old 08-07-2014, 08:46 PM
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Resolution and text size will have more to do with whether the people that far away can see it or not. 720P will be more effective for a desktop viewability than 1080p from that distance if you are working within Microsoft products.

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post #9 of 16 Old 08-08-2014, 12:25 PM - Thread Starter
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Resolution and text size will have more to do with whether the people that far away can see it or not. 720P will be more effective for a desktop viewability than 1080p from that distance if you are working within Microsoft products.
Power points too?

Is there a happy medium between power point readability, and movie/game watching?
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post #10 of 16 Old 08-08-2014, 12:25 PM - Thread Starter
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Originally Posted by ben38 View Post
The First three are true Data projectors that can also be used for movies. The Panasonic is a Home theater projector that can be used for data if need be. It depends on what application you think you'll be using the projector the most for.
The Benq and the Optoma both use DLP technology. If some of the viewers in your group are RBE sensitive, you might want to consider dropping these two.
That Leaves the Sony and the Panasonic. The Sony will do Data better, the Panasonic will do movies better. Again it depends on what you will use more.
As for what screen to use. I'd probably just stay with a regular white screen, because with a big crowd of viewers I would want to have the widest viewing cone possible with the least amount of artifacts. (Sparkles and Hotspots.) Just turn the lights down when it's movie time.
Is there a happy medium between power point readability, and movie/game watching?

Are we better off getting a large LCD TV?
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post #11 of 16 Old 08-08-2014, 12:26 PM - Thread Starter
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Originally Posted by henrich3 View Post
Your first three picks are definitely light canons and should do well for your application. You might want to drop the Panny.

The Supernova 08-85 and Black Diamond .8 are tops at rejecting ambient light. The Supernova has fewer picture artifacts (hotspotting, sparklies) than the BD. Those are both expensive specialty screens however. If you need something less pricey, a basic dark grey material may suffice. Da-Lite's darkest is their HD Progressive 0.6.

You might want to contact one of the AV Science store reps to get their recommendations.
Do they come in electric retractable recessed ceiling versions?
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post #12 of 16 Old 08-08-2014, 01:51 PM
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Originally Posted by vangeliss View Post
Is there a happy medium between power point readability, and movie/game watching?

Are we better off getting a large LCD TV?
If you don't mind keeping your screen size to 90 inches or less, a large tv is an option. A 130+ inch tv is impractically expensive. If you can audition projectors at a store, that would be the best way to see which projector will work for you or not.
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post #13 of 16 Old 08-08-2014, 03:21 PM - Thread Starter
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Originally Posted by ben38 View Post
If you don't mind keeping your screen size to 90 inches or less, a large tv is an option. A 130+ inch tv is impractically expensive. If you can audition projectors at a store, that would be the best way to see which projector will work for you or not.
Is there a medium between the Pan and Sony? We'll be doing presentations more than entertainment, but I don't want videos/games to look like crap.(it will be viewed from 10-20 ft.)
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post #14 of 16 Old 08-08-2014, 04:18 PM
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Originally Posted by vangeliss View Post
Is there a medium between the Pan and Sony? We'll be doing presentations more than entertainment, but I don't want videos/games to look like crap.(it will be viewed from 10-20 ft.)
Data projectors are built for light output. They'll play games as well, but probably not very well. The Sony hw40es is great for games but may look a little dim with a lot of light in the room. Seems like everything is a tradeoff. You might want to have two projectors. A bright 720p projector for data, and the Sony hw40es for games and movies.
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post #15 of 16 Old 08-08-2014, 06:49 PM - Thread Starter
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Data projectors are built for light output. They'll play games as well, but probably not very well. The Sony hw40es is great for games but may look a little dim with a lot of light in the room. Seems like everything is a tradeoff. You might want to have two projectors. A bright 720p projector for data, and the Sony hw40es for games and movies.
So our main priority is Text readability. With that being the case, what's your top 3 picks? The room in total is about 52'x30'. We will have people watching the 120"-130" screen from up to 30' back.
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post #16 of 16 Old 08-12-2014, 09:57 AM - Thread Starter
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Originally Posted by Archaea View Post
Resolution and text size will have more to do with whether the people that far away can see it or not. 720P will be more effective for a desktop viewability than 1080p from that distance if you are working within Microsoft products.
Is there a Resolution/Text size projector you can recommend?
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