RE: Spectros better than colorimeters for monitor profiling? [was: X-Rite colormunki]
RE: Spectros better than colorimeters for monitor profiling? [was: X-Rite colormunki]
- Subject: RE: Spectros better than colorimeters for monitor profiling? [was: X-Rite colormunki]
- From: Roger Breton <email@hidden>
- Date: Sat, 25 Oct 2008 17:47:43 -0400
Edmund (and Marco),
The day LEDs rule the world -- that day is not too far into the future --
we'll be freed from spikes alltogether as LEDs have smooth, wideband-type
spectra, and it won't matter that they are measured with a 10nm or 3.3nm
spectral resolution device like the EyeOnePro anymore. That's my take.
The business of noise in the low light measurements, with regards to the
EyeOnePro again, can be minimized by leaving the instrument warm-up to the
monitor temperature *prior* to taking measurements. I think it is the dark
current calibration or zero offset in the EyeOnePro that becomes unstable
with warm-up in the CCD array.
Roger
>
> - Apart from shadow noise rejection issues, there maybe some
> real-world issues when the backlight is very spiky. Apparently having
> the backlight read offset into the wrong 10nm bucket mayhave some
> real world impact on calibration. I don't know whether the i1Pro
> really suffers from this or not, when I get my hands on a research
> grade instrument I plan to run some tests.
>
> Edmund
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