ceiling mount with high power - AVS Forum
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post #1 of 4 Old 03-05-2012, 11:27 PM - Thread Starter
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anybody ceiling mount with a high power retro-reflective? i will have the projector mounted level with the top of the screen (epson3010) and heads are level with the middle of the picture. think this should be fine?
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post #2 of 4 Old 03-06-2012, 12:20 PM
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You will still get a fair amount of gain. http://www.avsforum.com/avs-vb/showthread.php?t=966057

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post #3 of 4 Old 03-06-2012, 12:46 PM
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How big is your screen and how much light output does your projector provide? Why did you choose the HP rather than a Utility gain screen? Does you projector have lens shift so it can be positioned lower on a mount extension? It will be fine, but you really won't get anywhere the full benefit of the the screen with this setup. If you have a huge screen and went with the HP for more light or more light with 3D, the mounting location is shooting you in the foot. Sort of like having a Ferrari that only has first and second gear
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post #4 of 4 Old 09-25-2012, 08:40 AM
 
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This is an older thread, but I thought I'd share my experience witha new 159" High Power and HD3300. The center of the screen is about eye level when sitting maybe a little higher, and I mounted the HD3300 (DLP 3D projector) about 30" above my head, maybe a litter higher. The brightness for 2D was a little too much and I had to tweak it down (this in eco mode). For 3D, I also tweaked the brightness and contrast down to a better level for blacks than I had it previously for my 142" DIY 1.2 gain screen. The brightness for this huge screen is fine; and even with a high level of keystoning (+6), I see no distortion or annoying resolution issues. I watched Titanic 3D last night and wow, wow, wow is all I can say. I had a 2.8 high power a couple of years ago, but wasn't happy with it--too much yellow bias and sparkles. The new 2.4 high power is crystal clear, no sparkles or noticeable color shift, plus a wider gain angle--I absolutely love it. When I stand up putting my head near the lens level, I see a little brightness boost, but not enough to make a difference. I would say I'm getting about 1.8 to 2 gain at sitting level. I sit about 17 feet from the screen, and the projector is mounted about 18.5 feet from the screen.
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