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post #10381 of 10387 Old Today, 09:24 AM
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Originally Posted by hermosa View Post
Thanks Mike.

Room is neutral gray with dark gray carpet. Width would be 96". I use the 1100 only at night. No light issues. Throw distance probably exactly at 11 feet.

I do watch 3D on occasion.

I have never experienced hotspotting with current .95 gain 103" screen.
Since you do some 3D, I would go with the ST130. If we can help you with pricing, give us a call.

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post #10382 of 10387 Old Today, 09:26 AM
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Thanks everyone for the screen advice. Seems like the ST 100 is the way to go. Since my current screen has a .95 gain, I won't miss the 130's brightness. Also, I would just be at the minimum throw distance recommended by Stewart for the 130. Better to be sure and go with the ST 100.

AVS Forum is invaluable for getting everyone's experience with the same equipment.
ST100 will give you great results with 2D, but 3D would be a little better with ST130. It is going to be a slight compromise, which ever way you go.

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post #10383 of 10387 Old Today, 09:33 AM
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OK. You want substance, I will give you substance.

At his throw, 11 ft, he will be within 1 ft of the closest possible throw with his projector, 10 ft.

This will give more brightness than I am getting in 3D at 15 ft. At 15 ft, the 3D is watchable, just a tad dim. But he has a good room and will watch in the dark. The gains in image quality of 2D of the ST100 over the ST130 are substantial and as an owner easily outweigh the dimness of the 3D.

To my knowledge, every one here who has made the switch has reached the same conclusion.

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post #10384 of 10387 Old Today, 09:47 AM
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Thanks, Mark. I tend to agree with you. My projector is almost at the minimum throw distance. And Stewart's recommendation for the ST 130 would also have me at the minimum. I am worried about hotspots with the ST 130 at that short distance.

My current Screen Research is .95 gain. I have been happy with the brightness level. It could always be brighter but artifacts would drive me crazy if they came with a higher gain screen. 3D is not bad with the current screen, but dimmer than I would like. I think my 3D with active shutter glasses is brighter and better than movie theater 3D with passive glasses. 2D looks great.

Since I watch a lot more non-3D, I think I may not need any brightness boost. Not sure why the Stewart rep would recommend the ST 130 - but he assured me no hotspots.

But this is why I turned to Forum members - because several folks have the 1100ES and experience with both screens.

So the tradeoff seems to be no hotspots with the ST 100 and better 3D with the ST 130. Since 90%+ of what I watch is not 3D, the ST 100 seems like the way to go.

Again, thanks to everyone for the input. The discussion helped my decision.
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post #10385 of 10387 Old Today, 09:59 AM
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You have 7 inches to spare with the minimum throw required by Stewart. Hot spotting will not be an issue at a throw of 1.3. the issue is other artifacting which you may or not be sensitive to such as sparklies and the fact that with 130 compared to 100, the screen material will never completely disappear.

ST130 G1 was originally developed by Stewart at the request and assistance of Joe Kane for CRT projectors. The maximum gain that would not hot spot at the fixed throw distance required by most CRT FPs was needed and some red push in the fabric was needed as well. The push was eliminated as the fabric matured in later generations and the smoothness needed for 4K resolution was improved. But the spayed on gain still has minor non hot spotting artifacts.

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post #10386 of 10387 Old Today, 10:03 AM
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Originally Posted by mark haflich View Post
You have 7 inches to spare with the minim throw required by Stewart. Hot spotting will not be an issue at a throw of 1.3. the issue is other artifacting which you may or not be sensitive to such as sparklies and the fact that with 130 compared to 100, the screen material will never completely disappear.

ST130 G1 was originally developed by stewart at the request and assistance of Joe Kane for CRT projectors. The maximum gain that would not hot spot at the fixed throw distance required by most CRT FPs was needed and some red push in the fabric was needed as well. The push was eliminated as the fabric matured in later generations and the smoothness needed for 4K resolution was improved. But the spayed on gain still has minor non hot spotting artifacts.
Mark

If I got a swatch of the ST 130 fabric and stretched it tightly over a flat surface, would that be a realistic test of artifacts if I moved around to various positions close to the existing screen?
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post #10387 of 10387 Old Today, 10:08 AM
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Mark

If I got a swatch of the ST 130 fabric and stretched it tightly over a flat surface, would that be a realistic test of artifacts if I moved around to various positions close to the existing screen?
The test is your sensitivity to the artifacting. The problem with an A/B comparison between two fabrics is the automatic almost universal attraction to the brighter image.

The test that your propose simply won't show the much greater realism or open window, screen material disappearing effect of the 100 over the 130.

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