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: "Bob Frost" <email@hidden>
- Date: Sun, 18 Sep 2005 21:28:55 +0100
Roger,
I also started off by pointing the i1display unit at the projector from the
screen position, but found pointing it at the screen and measuring the
reflected light gave a better result. Just stick the i1display unit to the
top of my Manfrotto pistol-grip ball head with Sellotape and position it in
front of the screen at an angle so that it is not looking directly at its
shadow, and run iMatch as normal. Probably not as good as a Beamer for my
i1Photo, but GM won't unlock the Beamer software for old i1's without an
extra payment as well as buying the Beamer. New i1's have it unlocked, so
you only have to buy the Beamer attachment. Where there's a will there's a
way, as my old granny used to say!
How accurate the calibration/profile is I can't say, but it is certainly
better than no calibration/profile. I used this method in a lecture recently
to show people how to calibrate monitors!
Bob Frost.
----- Original Message -----
From: "Roger Breton" <email@hidden>
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.
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