converting between col profiles and working space

Discussion in 'Photoshop' started by frankg, Dec 1, 2004.

  1. frankg

    frankg Guest

    I use adobe rgb (1998) as my working space.
    I converted (image>mode>convert to) many files to a col profile dedicated
    for a continuous tone commercial lab printer (agfa d-lab/agfa sensatis
    paper).
    Unfortunately, I did not do this conversion on a duplicate and have not
    retained the original.
    Am I correct in assuming that because the lab's col profile is a smaller
    gamut than my working space, there is no point in converting back from their
    profile to my working space? And for best image quality I should start again
    (scan) with those files in my working space.?
    And if I want to use their updated profile I should just convert directly
    from their old profile to their new one?
    Frank
     
    frankg, Dec 1, 2004
    #1
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  2. In case you do edit those images it is beneficial to convert to a
    colorimetric RGB working-space. The lab's profile is a 3d look-up type
    profile, editing images in such profile spaces will usually give some
    nasty surprises.

    Converting them back of course will not help to what was lost in the
    first conversion.
    Yes.

    Timo Autiokari http://www.aim-dtp.net
     
    Timo Autiokari, Dec 1, 2004
    #2
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