Re: [Frameworks] Quo Vadis Celluloid?

From: D Dawson <>
Date: Tue, 23 Aug 2011 10:00:58 -0500


Well, it appears we found a flaw in the "replacement" theory of DLP and film
projection. So, short answer, no, DLP cannot do what film projection does.

On 8/23/11 9:47 AM, "Pip Chodorov" <> wrote:

> Deco, because of the color wheel, a shutter blade like that would
> cause rainbow ghosts.
> This actually happens if you wave your hand fast in front of a DLP lens.
> -Pip
> At 9:43 -0500 23/08/11, D Dawson wrote:
>> If DLP projectors project 24 frames a second with no black. And film
>> projectors project 72 moments of image per second and 72 moments of black
>> per second -- could they not literally install a 3 bladed shutter that
>> travels in front of the image on a DLP before the lens? This physical
>> shutter would rotate fully once per 1/24th of a second, providing real black
>> three times per second, just like a film projector...
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Received on Tue Aug 23 2011 - 08:01:23 CDT