Tag Archives: color management

UPDIG – Digital Photography Guidelines

No opinions or hearsay just some guidelines: • Gamma — 1.8 to 2.2 (or L*). • White point — 5000K to 6500K. • Brightness levels — 80cd/m2 to 140 cd/m2 “One additional, but little known fact is that many printers routinely re-separate CMYK files to better match their press conditions, or even to save ink [...]

Luminance Measurements and Other Geeky Stuff

Well, I thought it was about time to post some scientific ideas regarding monitor calibration, specifically luminance. Luminance for monitors is measured in cd/m^2 in your monitor calibration software. I usually use the value 120 cd/m^2 when calibrating Apple Cinema displays. I’ll get into why I use this number later but first some background and [...]