Discussion - Screens for 3D Projection - Page 11 - AVS | Home Theater Discussions And Reviews
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post #301 of 315 Old 07-17-2014, 04:17 PM
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I assume some places have return policies on screens. Shipping is the issue. That will cost if it isn't local.
I agree with Vaan, I don't think the screen can have a lot of effect on ghosting for Active 3D. The projector/glasses is the source. With the Sony projectors (at least on my 55) there is a brightness setting on the glasses that affects ghosting. I don't let ghosting bother me as much as some people so I don't mind it on the Sony, but it is clearly worse than my old Epson 5010 for ghosting. Technology is part of it. DLP's tend to have less ghosting yet.
The other factor is the glasses. I tried a few different brands and the Sony glasses, in addition to being the most expensive, were the worst at ghosting. Give the Samsung 5150 glasses a try. They are crazy light, lighter than passive glasses from the theater, and have less ghosting than the Sony glasses, and they are super cheap. I don't know how Samsung does it. They are a big reason I am holding off on going passive.
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post #302 of 315 Old 07-17-2014, 05:53 PM
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Quote:
Originally Posted by wnielsenbb View Post
I assume some places have return policies on screens. Shipping is the issue. That will cost if it isn't local.
I agree with Vaan, I don't think the screen can have a lot of effect on ghosting for Active 3D. The projector/glasses is the source. With the Sony projectors (at least on my 55) there is a brightness setting on the glasses that affects ghosting. I don't let ghosting bother me as much as some people so I don't mind it on the Sony, but it is clearly worse than my old Epson 5010 for ghosting. Technology is part of it. DLP's tend to have less ghosting yet.
The other factor is the glasses. I tried a few different brands and the Sony glasses, in addition to being the most expensive, were the worst at ghosting. Give the Samsung 5150 glasses a try. They are crazy light, lighter than passive glasses from the theater, and have less ghosting than the Sony glasses, and they are super cheap. I don't know how Samsung does it. They are a big reason I am holding off on going passive.

Thanks for the tip on the 5150 glasses, will look that up. Not sure if they work with my VPL600, sounds like a winner for sure. I have 3 pairs of the sony glasses and 3 aftermakrket that are not much better the Xpand Lite RF model X105-RF-X1.
The Xpand do a much better job of blocking the stray light though and that is huge for active 3D viewing.
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post #303 of 315 Old 07-17-2014, 06:00 PM
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Quote:
Originally Posted by Vaan Janne View Post
how can you return an screen if you don´t like it ?
isn´t it like a car. your bad if you don´t like it and the fact it does not handle well allthough accelerates superb fast.
shuerly one can always sell it half price if one don´t like it

Are you saying roxiedog13 screen affects ghosting in active 3D ?

shurely it does on passive but in active.

As I remember if a screen retains a certain degree of polarization then it can cause ghosting . My screen is curved as well and I seem to remember a possible component there too.


Can I return the screen? If I pay that kind of cash out and the screen is not near perfect, I would expect the manufacturer to remedy the problem especially when their on-line brochure
states excellent for active 3D. I hope to never even have to consider the same actually . Should know within a week or so..........
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post #304 of 315 Old 07-17-2014, 08:55 PM
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Quote:
Originally Posted by roxiedog13 View Post
Thanks for the tip on the 5150 glasses, will look that up. Not sure if they work with my VPL600, sounds like a winner for sure. I have 3 pairs of the sony glasses and 3 aftermakrket that are not much better the Xpand Lite RF model X105-RF-X1.
The Xpand do a much better job of blocking the stray light though and that is huge for active 3D viewing.
They will work. I have the Sony and XPAND 105 bluetooth glasses too. The XPAND's are certainly better than the Sony but the Samsungs a so much lighter. However they have don't have the structure on the side so they don't block light. I wouldn't wear anything else, but I do have a bat cave so stray light isn't an issue. Try changing the 3D brightness setting on your projector, that makes a huge difference.
"As I remember if a screen retains a certain degree of polarization then it can cause ghosting." I really don't think so. I don't have a big problem with the ghosting on my Sony 55, but it is there on occasion. You have put a lot of money into your system, I bet it is amazing in 2D. If the ghosting still bugs you after changing the 3D brightness setting, I would recommend picking up a cheap DLP just to see how ghosting is with that, like the Optoma HD-25LV or Benq 1070. That way you can eliminate your screen as an issue.
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post #305 of 315 Old 07-18-2014, 09:12 AM
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Quote:
Originally Posted by wnielsenbb View Post
They will work. I have the Sony and XPAND 105 bluetooth glasses too. The XPAND's are certainly better than the Sony but the Samsungs a so much lighter. However they have don't have the structure on the side so they don't block light. I wouldn't wear anything else, but I do have a bat cave so stray light isn't an issue. Try changing the 3D brightness setting on your projector, that makes a huge difference.
"As I remember if a screen retains a certain degree of polarization then it can cause ghosting." I really don't think so. I don't have a big problem with the ghosting on my Sony 55, but it is there on occasion. You have put a lot of money into your system, I bet it is amazing in 2D. If the ghosting still bugs you after changing the 3D brightness setting, I would recommend picking up a cheap DLP just to see how ghosting is with that, like the Optoma HD-25LV or Benq 1070. That way you can eliminate your screen as an issue.
Well, I guess I'll be ordering up a couple of pairs of the Samsung to try. I had the Sony HW50ES before the VPL600, it was an awesome projector but the 600 is certainly a huge leap over that
PJ which is a good thing at that price point.
I too have a bat cave but you would be really surprised how much reflected stray light enters from the side. This reflected light entering inside the eye socket area will cause glare from the inside of the glasses and this is compounded if you are wearing prescription eye wear.
I've tried the different settings on the glasses, reducing the brightness reduces the ghosting but the image brightness to not always a good compromise. Still hard to complain, the 600 is amazing and with my new curved Draper TecVision XT1800 1.8 gain I hope to improve the overall experience again.......................I hope.
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post #306 of 315 Old 07-18-2014, 03:53 PM
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I bet it is beautiful. I think the general agreement is to get the best 2D and best 3D you need two projectors. I would give the benq 1070, or optoma hd25e a shot. They won't have anywhere near the 2D quality, but they should be ghost free in 3D.
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post #307 of 315 Old 07-22-2014, 06:03 AM
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Quote:
Originally Posted by wnielsenbb View Post
I bet it is beautiful. I think the general agreement is to get the best 2D and best 3D you need two projectors. I would give the benq 1070, or optoma hd25e a shot. They won't have anywhere near the 2D quality, but they should be ghost free in 3D.
I considered this for a while but opted for the simplicity of one projector. Now, I may actually consider a second VPL600 down the road when the price drops then you have an even better setup.
Not sure how alignment of a 4K projector would go but it is a though still at this point. To be honest, I think my current setup with the higher gain screen, the fact that it is curved and I have a bat cave will probably be enough. We shall see, soon I hope
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post #308 of 315 Old 09-01-2014, 11:53 PM
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Anyone recommend for screen size 110' with Sony VPLHW40ES? I plan to use this for 3D movies and also 2D. I am more focus in 3d movie and what glasses go with it?



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post #309 of 315 Old 09-03-2014, 10:42 PM
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You want a higher gain screen then. If the Da-lite highpower screens are back in stock I would go with that. Did your projector come with the emitter cable? If so I highly recommend the Xpand AD025-RF-X1 emitter and Samsung 5150 bluetooth glasses. XPAND was going to going to come out with a kit sometime soon with the sony cable.
http://www.xpand.me/products/radio-frequency-emitter/
Sony's IR glasses are horrible and expensive. The PS3 glasses are better and much cheaper, but Bluetooth is the way to go. That is what they use on their high end 4k projectors.
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post #310 of 315 Old 11-01-2014, 09:15 AM
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Searched the thread and couldn't find anything. Does anyone know if there are polarization issues with the SMX Cineweave HD screen? Maybe I'll give it a go...
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post #311 of 315 Old 12-02-2014, 08:17 PM
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Hello, Can anyone recommend a good fixed frame screen(100" to 110") for my Epson 5030 UB. I have a window in the theater room, which I plan to blackout.

My primary use is for watching movies, sports and occasional 3D movies. Appreciate your help.

Thanks,
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post #312 of 315 Old 12-05-2014, 10:00 PM
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Da-Lite Da-Snap with Pearlescent material is really a nice screen. Higher gain so sports and 3D will be awesome, with no bad artifacts so movies will still be great. Plus it is really reasonable.
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post #313 of 315 Old 12-05-2014, 11:32 PM
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I did a lot of research and went with the Draper 3D PREMIER TECVISION 161" DIAGONAL HDTV (16:9) XT1800X WHITE. Pretty awesome screen. Of course the majority of the movies we watch are 3D. Massive gain over my old Da-Lite screen. Definitely not cheep, but none of this home theater stuff is LOL....
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post #314 of 315 Old 01-15-2015, 02:48 PM
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Hi

Could somebody help me?
I bought a optoma gt1080 projector and 3 glasses to playing game on Pc in 3D
First somehow I could use by 3DTV PLAY nividia but alredy 14 days are gone and I really don't know how can I use it by simple 3D vision or by any other software. I just want play on my PC in 3D with all of my games.
I have GTX 770 if this is matter something.

I bought this type of glasses: ZF2100 and I bought that emitter small black box I don't have any idea how does it working... but one thing is sure it isn't working I just plug it to the projector and it gave me blue light before but I read it has more functions but anyway didn;t matter how I pushed that button I have changed nothing I got same light. all led was blue.
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post #315 of 315 Old Today, 10:51 PM
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3D Linear screen tests

I have a passive 3D dual projector setup and have been through a long selection process for a screen over the last year. This is a linear polarizing system with filters placed manually in front of the projectors which you need a silver screen for. If you dont' have such a system these screens are likely not for you!

It turns out there is a lot of science involved in working out which screen to use. Will it hotspot? Does it sparkle like crazy? How much light to do I really get once my filters are in place? What's the picture quality look like? Is there a color shift? Is there a texture to the screen and does it look like I'm getting full resolution on the screen from my source? And finally... how much polarized light retention is there which directly affects crosstalk.

$5 DIY method
Go to your grocery store and buy a 50ft roll of aluminum kitchen foil for $2. Get the heavy duty roll (+50c) if they have it as it's a thicker material to work with. Buy some painters tape for another $2 or so and gently tear off tall enough strips that you can hang on your wall. Attach the painters tape to the top and bottom of the foil and hang it in an up\down fashion with the dull\matte side facing out. Make yourself a nice big 100+" screen if you like as its pretty easy. Keep the foil as flat as possible with no creases.

What you'll see: Screen gain of 10+ and better polarization retention than any other screen you'll look at due to the high metal composition. On the downside you'll see every crease or imperfection in the foil (there will be many), a big hotspot in the middle of the screen and lots of light fall off as the light moves away from the hotspot.

For anyone considering a passive 3D system, I highly recommend you try the DIY screen above first as it will give you a preview of what's possible with your system.

Carls SilverScreen
I have a sample of this material. It's very cheap material to buy and retains polarization fairly well but not as well as other options like the 5D and BD 2.7. It also displays more sparkle in my opinion than these other screens despite having a lower gain.

Da-Lite Silver Lite 2.5
There are two different versions of this material. The actual polarization retention is very good and on a level of the better screens. Unfortunately each screen material has a texture to it and the coarser material structure actually makes 1080P look like a much lower resolution from my testing. There is also more light fall off from center to edge with this screen formulation. I don't recommend this screen.

Stewart Silver 3D
I have both a current sample and some very large full screen sized pieces I acquired locally from a huge screen. It's a flat surface material that has very good color, polarization retention and some sparkle and shimmer to its appearance. This has a higher rated gain and has more sparkle than the 5D material .

Stewart Silver 5D
I have both a sample and the screen I purchased of this material. This has the same polarization performance of the 3D material but with almost no sparkle to its appearance. It does have what I call shimmer though which appears throughout the entire image from light to dark as a type of screen noise. This is more apparent in 2D than in 3D, but it's the tradeoff you'll make with this current generation of silver screens.

Screen Innovations Black Diamond 2.7
I had a largish sample of this material. IMO this is very similar or equal to the Stewart 5D in performance with some caveats. There is some sparkle\shimmer that's quite visible in brighter areas of the image, but this seemed to lessen or disappear in mid level to non bright areas of the image.

Screen Summary: I'm happy with the Stewart 5D as it's a great linear 3D screen and also does OK for 2D which matches up with it's performance description. The Black Diamond 2.7 would be an alternative and offer similar if slightly different performance.

Other information:
- Projector placement will affect how these screens with gain perform. If you have your projector closer than 1.5x screen width you may have some hotspotting . In my setup I'm at greater than 2x screen width so don't have a real hotspot issue.
- Projector placement may also affect sparkle in the screen. Having my projectors mounted near or at the top level of the screen made less apparent sparkle or shimmer versus having them mounted nearer to the middle of the screen like you would with an HP screen.
- Get samples and test! Put the sample in the middle of the screen, put it at the edges and note the level of light fall off. Compare it to the DIY method to get a comparison of polarization retention or non retention.

I purchased my Stewart 5D through Mike at AVS. Feel free to ping or call him for a quote on whatever you might be considering.

If anyone is interested in reading about how 3D polarizing screens were being tested 13 years ago I recommend reading the tests performed by DrT here: http://www.drt3d.com/info/ScreenTesting.htm . This testing methodology still stacks up very well today and is how I performed some of my testing.
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