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This topic comprises 2 pages: 1 2
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Author
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Topic: Video Projector recommendations
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Kirk Futrell
Film Handler
Posts: 95
From: Nashville, TN / U.S.A.
Registered: Nov 2008
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posted 07-21-2010 03:10 PM
I don't know what you're budget is, but if you can find some panasonic 7000 series projectors new or used they will look great for the price. Which is not cheap by the way, I think they are around 30k+ for new ones. They are 7000 lumens and 4000:1 contrast ratio. I will say for such short throws and I assume rather small screens, that you can definitely get away with using projectors that are 720p. You don't have to go with 1080 for HD on a budget. I personally like to look for a high contrast ratio with a minimum of about 5000 lumens in a small light controlled theater. The contrast ratio, makes a big difference and video projectors have been able to far exceed the theoretical contrast ratio of film (which I haven't been able to get a solid answer on what the contrast ratio is for film, I'm sure it starts with "Well, it depends..." though, and I haven't searched for it on this site yet...), by having iris that can physically block the light from reaching the screen in black areas (I think that's how it works...) Also I don't know where the current debate on LCD vs. DLP is ( I think 3 chip DLP won) but with LCD you can get a "screen door" effect, because you can see the pixels. I have seen a very good single chip DLP in action (the panasonic 5500) and you can still see the "rainbow effect" when you move your eyes across the screen very quickly from one point to another. This is very annoying to some people, including me.
I've heard fairly good review of the Sanyo PLC-XM150/150L listed on this press release linked below. They are a bit too low contrast and I prefer native 16:9 to native 4:3. I'm sure they would pass for your smaller theatres though.
P.S. The Contrast Ratio of film has been discussed in the Film Handler's forum under "Topic: ANSI and On/Off contrast." Can't figure out how to link to a topic in the other forum, though.
Hope this helps. Sanyo press release
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Carsten Kurz
Film God
Posts: 4340
From: Cologne, NRW, Germany
Registered: Aug 2009
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posted 07-24-2010 08:32 AM
Spending 15.000+ on a non DCI projektctor seems unreasonable to me. It will never pay out - unless you regularly play non-DCI content on festivals or the like and have a dedicated budget for this.
There are some nice and cheap bright 3LCD machines - but their contrast ratio usually is bad, they rarely have 16:9 AR, and none of them offers FullHD resolution. The panels also wear out quickly with this brightness if the projector is used a lot.
For static ads, a 1Chip DLP would be okay, but for anything moving, the RBE is just a NoGo.
Not an easy choice, if you want at least 720p, decent contrast ratio, long throw option (detachable lens).
We are actually getting away with an Epson FullHD 3LCD homevideo projector on a 7m wide screen with the built-in lens over a 20m throw. But with 2000 Lumen it's really on the edge, and we were just lucky with the critical parameters. We have a dedicated spare lamp for it that we put in whenever we show 'real' content from DVD or BD (rarely). The 'everyday' lamp is only used for pre-show powerpoint advertising.
These UHP lamps really loose brightness quickly - 50% after 500hrs is common. Still okay for colorful graphics ads, but not enough for todays movies.
There are hundreds if not thousands of projectors on the market - but for a cinema, it narrows down to a handful. Well, maybe a carpenters handful...
If you can manage to fly the beamer in the auditorium with a screen distance of 10-15m with a wired remote connected, you have a much larger choice of cheaper machines.
- Carsten
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