Re: Profiling LCD projection systems with a Spyder2?
Re: Profiling LCD projection systems with a Spyder2?
- Subject: Re: Profiling LCD projection systems with a Spyder2?
- From: Roger Breton <email@hidden>
- Date: Sun, 18 Sep 2005 09:49:54 -0400
Bob,
> Since I didn't want to pay the exorbitant price for upgrading my 'old'
> i1Photo to the Beamer mode for profiling projectors, I found I could do it
> quite satisfactorily with my i1Display.
You mean the 'Sequel' descent device?
> All you need is a long USB lead. Put
> the i1Display a few inches from the screen angled so that it doesn't see its
> own shadow, and run iMatch.
All right then. I'll admit I recently say Don Hutchison demonstrated
profiling an LCD projector during a presentation at GATF, by holding an
i1DisplayII in front of the projection screen with the detector *facing* the
projector, thereby collecting light falling on the device, in irradiance
mode. But I never heard or saw anyone point the i1Display *at* the
projection screen collecting intead the light being reflected off the
projection screen.
> Seems to work fine. Will be affected to some
> extent by the directional reflectance of the screen/wall.
What's the calibration then?
> Bob Frost.
Roger Breton | Laval, Canada | email@hidden
http://pages.infinit.net/graxx
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