Digital projection cine 1000 led discussion - Page 11 - AVS Forum
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post #301 of 304 Old 07-24-2014, 05:52 PM
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An interesting addendum to this thread...

It seems the DPI M-Vision Cine LED 1000 is the projector of choice for Theo Kalomirakis' new personal home theater, the ROXY 2.0.

http://theosroundtable.com/theo-blog...in-my-theater/
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post #302 of 304 Old 07-25-2014, 09:00 AM
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Quote:
Originally Posted by b curry View Post
An interesting addendum to this thread...

It seems the DPI M-Vision Cine LED 1000 is the projector of choice for Theo Kalomirakis' new personal home theater, the ROXY 2.0.

http://theosroundtable.com/theo-blog...in-my-theater/

That is interesting - good catch! It's a great projector. We still have one unit available just FYI !!

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post #303 of 304 Old 07-27-2014, 12:22 PM
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Quote:
Originally Posted by noah katz View Post
To be technical, that includes on/off CR.

http://en.wikipedia.org/wiki/Stray_light

"Stray light is light in an optical system, which was not intended in the design. The light may be from the intended source, but follow paths other than intended, or it may be from a source other than the intended source. This light will often set a working limit on the dynamic range of the system; it limits the signal-to-noise ratio or contrast ratio, by limiting how dark the system can be."
so we agree that dimming LED's would do as well, or BETTER job of reducing stray light in terms of on/off contrast...? cause that's what I was saying. and based on current projectors, I would personally notice an improvement in on/off contrast more than an improvement in ANSI contrast. give me those deep deep blacks

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post #304 of 304 Old 07-27-2014, 01:17 PM
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Considering this same light engine has been used for both LED and lamp illumination and got basically the same numbers I would say that LEDs don't have an advantage or at least the specific physical iris device used in this Delta light engine does an excellent (equal) job at stopping stray light, if LEDs do indeed have an advantage, but I would imagine it's the light engine, not the light source, that will dictate how much stray light will affect contrast.
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