At 9:19 AM -0700 6/1/05, leuis wrote:
Thanks for the replies all.
Steve: The Epson Premium Glossy reads L* 92.8 a* -1.0 b* -4.1. I am a complete newbie to all this, so I’m not sure what that really means, but on the circle (i1 Share -> Evaluate -> Accuracy), the little crosshair is a mm or two south of the centre.
right, well a negative b value certainly means blueish. That could be actual blue paper or (more likely) brighteners in the paper. Either way a 50% gray would measure some of that blue as well so seeing those numbers is not necessarily an error.
As far as lighting goes, I have viewed the prints under all kinds (daylight, tungsten, fluro), and that is where the metamerism problems really kick in. Magenta, yellow, green…
fun isn’t it. One of those physics lessons you could really do without.
Norbert: 1100 patches? With i1 Photo the biggest target I have is 918. Can I use other targets with i1 Match (3.2a)?
sort of. You can hack other target files into Match or use the MeasureTool part of ProfileMaker to measure targets and then bring them into Match for profile building
I did some profiles for Epson Archival Matte this morning and the b&w prints are much better. Neutral-cool, and comparatively stable. Colour was spot on as far as I could tell.
At the moment I only have Epson papers, I think I’ll experiment with some different ones and see how I go.
probably wise. I think one of the things you are fighting against is the brighteners in the paper.
o Steve Upton CHROMiX www.chromix.com
o (hueman) 866.CHROMiX
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