Re: Barco vs Eizo
Re: Barco vs Eizo
- Subject: Re: Barco vs Eizo
- From: Roberto Michelena <email@hidden>
- Date: Mon, 12 Sep 2005 23:15:45 -0500
> If the device can be trusted to calibrate and profile
> the monitor (measuring a wide range of colors in
> order to do so) can it not be trusted to provide
> reasonable results as a measuring device?
Nope, because that doesn't say anything about the device's correlation
with an 'absolute' standard.
It's like saying "I used my grandpa's wooden ruler to draw a line of
exactly 30mm ; to make sure I measured again with the same ruler, and
it indeed measures 30mm" ; well, now somebody comes with a newer (and
more precise) metal ruler and tells you it's 30.5mm ; your grandpa's
wooden ruler had swollen with age and humidity, or it just had been
built to looser standards that were the state of technology back then.
Without something better to check against, you'd never have known.
The only true verification of a colorimeter's measuring accuracy (for
a given display), is its correlation with an expensive research-grade
instrument such as this spectroradiometers Bruce drools for (not that
I don't too!!). Other measures of quality are its own repeatability
(inmediate), repeatability over time (lack of drift), and
inter-instrument repeatability (how much do units of the same model
agree with each other).
Not that your Barcos aren't great; they did tweak the colorimeter for
the individual display it was attached to, in order to maximize
accuracy. But it's likely that you're comparing it in your mind to
older desktop monitors, not to current calibrated ones. If given the
chance you'd probably find a Sony Artisan to perform even better, and
regarding specialty LCD ones (or LCD-LED!) like the Eizo or NEC, well,
there is no CRT in the world able to match their gamut. Nor their high
price :)
Now, how valuable exactly that extra gamut is, considering the cost...
that's quite another matter.
-- Roberto Michelena
Infinitek
Lima, Peru
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