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Re: [datacolor_group] Re: candelas?

2015-01-25 by Bob Frost

Eizo recommend using 80 cd on their monitors, and using that value I get a 
reasonable match in lightness/darkness to prints from my R3000 or 3800. Your 
value of 120 would make my prints darker than the monitor.

But if you have this problem and are using Lightroom for printing, you can 
dial in a brightness value for the prints. It's trial and error to find the 
value that gets you a match, but once you've done that, you can use that 
value for all your LR printing.

Bob Frost


Using Spyder 4.0.2, calibrating the monitor to 121 cd/m^2 (and yes, I got 
the number right this time), my prints from an Epson 1430 printer are still 
too dark, compared to the monitor. This is consistent across three printer 
profiles - the canned Epson profile for Premium Luster, my own profile made 
with a SpyderPRINT package, and a custom profile I had made by Michael 
Gordon of "GreatPrinterProfiles".

Color management is correct. The targets for the custom printer profile was 
printed with Adobe Custom Printer Utility, which turns off all color 
management. The other prints were made with the correct paper selected and 
with ICM checked as "OFF" in printer properties.

Is it possible that my Spyder calibrating tool is out of spec? Is there any 
way I can check this myself?

Bill Hansen

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