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Colormanagement in Photoshop CS4 vs Eye-One - Lab-Value Differences

Mar 9, 2010 6:08 AM

After having calibrated my screen "Eizo" and my printer Epson 3800 for - in this case paper Tecco PL285 carefully, I reached almost exact the same Lab-values, as I checked the monitor profile, printer profile and messured the printed output with Eye-one - (Monitor-Profile, Print Profile PL285, Result Photoprint) see table below. Colorprofil ICC was Adobe1998 in all cases. My monitor is calibrated with Kelvin 5500, Gamma 2.2 and brightness 120.

 

BUT my question is - as I messured the colors direct in PS4 with the pipette (Photoshop messure), the Lab values were very much different. Can anybody explain me the different or tell me where to adjust ? - A pure "human-eye-control" with my eyes saw the colors as almost being alike, but trying to be perfect - I will be happy to learn about/solve this.

 

Best regards

 

JanBoss

 

 

TestChart1-11-21-31-41-62-12-33-64-14-4
LabLabLabLabLabLabLabLabLabLab
Photoshop messure92-1 78005660348-2 610-1 42114-49 42614274206435242339-16 25
Monitor-Profile87,50,7-5,0 77,00,8-4,9 63,20,7-4,9 46,5-0,6 -1,4 13,2-0,3 -2,2 21,212,5-53,0 40,258,432,671,219,555,333,722,016,237,7-14,0 18,6
Print Profile PL285
87,60,7-5,2 76,90,8-5,1 62,90,7-5,1 46,2-0,7 -1,6 12,9-0,5 -3,2 20,811,0-53,8 39,958,832,071,319,456,833,121,916,537,2-13,9 18,4
Result PhotoPrint87,50,7-5,0 77,00,8-4,9 63,20,7-4,9 46,5-0,6 -1,4 13,3-0,4 -2,1 21,212,5-52,9 40,258,432,671,219,555,333,721,916,237,7-14,0 18,6
Monitor/PhotoPrint0,00,00,00,00,00,00,00,00,00,00,00,0-0,1 0,1-0,1 0,00,0-0,1 0,00,00,00,00,00,00,00,10,00,00,00,0
Print Profile/ PhotoPrint0,10,0-0,2 -0,1 0,0-0,2 -0,3 0,0-0,2 -0,3 -0,1 -0,2 -0,4 -0,1 -1,1 -0,4 -1,5 -0,9 -0,3 0,4-0,6 0,1-0,1 1,5-0,6 0,00,3-0,5 0,1-0,2
Photoshop/PhotoPrint4,5-1,7 12,03,0-0,8 9,92,8-0,7 7,91,5-1,4 7,4-3,3 -0,6 6,1-0,2 1,53,91,82,69,42,80,58,71,32,16,81,3-2,0 6,4
 
Replies
  • Currently Being Moderated
    Aug 19, 2010 6:38 PM   in reply to BOSSPhoto

    {$author} wrote:


    BUT my question is - as I messured the colors direct in PS4 with the pipette (Photoshop messure), the Lab vlues were very much different. Can anybody explain me the different or tell me where to adjust ? - A pure "human-eye-control" with my eyes saw the colors as almost being alike, but trying to be perfect - I will be happy to learn about/solve this.

     

    I've been concerned about the issue, Have you got the answer? It's long time.

     
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  • Currently Being Moderated
    Oct 5, 2010 3:59 PM   in reply to BOSSPhoto

    Hi Jan,

     

    Could you tell me what type of rendering intent you're using to convert from document space to print space?

     
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