Re: ISO 12647-7 "tolerances"
Re: ISO 12647-7 "tolerances"
- Subject: Re: ISO 12647-7 "tolerances"
- From: Todd Shirley <email@hidden>
- Date: Tue, 22 Apr 2008 16:48:51 -0400
On Apr 22, 2008, at 3:33 PM, Kevin Muldoon wrote:
Delta E max of 6??!! Delta E Primaries 5??!!
If ISO made rules for baseball then a pitchers strike zone would be
any ball that lands within 10ft from home plate! With tolerances
like that, who needs standards? This is absolutely astounding.
On Apr 22, 2008, at 3:04 PM, email@hidden
wrote:
delta E paper: 3
delta E average: 3
delta E max: 6
delta E primaries: 5
delta H primaries: 2.5
delta H avg. CMY gray: 1.5
At least the ISO publishes their tolerances. I am beginning to think I
am going crazy, because I cannot find published tolerances for GRACoL
or SWOP anywhere. I must be crazy, right? In "IDEAlliance 2007
Specifications and Guidelines" there are SWOP & GRACoL Print
Characterization charts which state "DEab of 5 or less for all colors"
but that is all I have ever been able to find. What about paper color,
average DE, Max DE, etc.? Anybody know where this info is published?
-Todd Shirley
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