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[MF3D.FORUM:1551] Re: On Film Deviation

  • From: Dale <dwalsh1@xxxxxxxxxxxxxxxx>
  • Subject: [MF3D.FORUM:1551] Re: On Film Deviation
  • Date: Tue, 20 Feb 2001 17:45:27 -0500
Richard Twichell wrote:

> Dale writes:
>
> My rule of thumb for MF projection is 5 percent of chip width...so 2.5
> or 2.6mm is about right.  I project superimposed mount openings, putting
> the window at the screen.

So you have done this before?  At ISU I imagine?

>  Therefore on a 10 foot square screen a 2.5mm
> deviation on the chips creates a 6 inch deviation on the screen.
> Anything much larger than that creates viewing problems for folks in the
> front rows...
>
> Dick

--
Dale Walsh
http://welcome.to/solidillusions
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