Re: Monitor brightness setting

Andrew Rodney wrote:
> The right setting is the one that provides a match to the print viewing 
> conditions. So YMMV.
>
> As for Eizo, my guess would be, higher you drive the display, less 
> lifespan out of the unit.
>
> But this idea that 120-140cd/m2 is "ideal" is silly unless in the same 
> sentence, you define the viewing conditions and said conditions are such 
> that those settings produce a visual match.


"The comparison of a soft proof with a print or a hard copy proof is 
specified in ISO 12646. The lighting conditions should comply with all 
of the requirements of ISO 3664 : 2000. The luminance level has to be 
adjusted to match the illuminance level of the monitor. The ideal 
monitor illuminance level is greater than 120 cd / m2."

(source: 
<http://www.just-normlicht.de/uk/media/files/JUST-8S-Softproof-04_2008_INT.pdf>)

There is a simple correlation between viewing booth illuminance and 
matching monitor luminance: illuminance [lx] = luminance [cd/m^2] * pi

I prefer 500 lx (ISO-3664 P2 practical print evaluation environment) and 
160 cd/m^2.

Klaus
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