Re: Monitor calibration and monitor profile
Re: Monitor calibration and monitor profile
- Subject: Re: Monitor calibration and monitor profile
- From: email@hidden
- Date: Tue, 10 Jun 2003 21:25:39 EDT
In a message dated 6/10/03 8:58:18 PM, email@hidden writes:
>
My working space is mainly ColorMatch. As well, I typically calibrate my
>
monitor (CRT PressView and Powerbook) to a similar D50 setting (I've since
>
started using "native/2.2 for the PB). Viewing an untagged and un-color
>
managed image in Photoshop and another viewer that's not color profile
>
savvy, the two images look different; the image viewed in PS has a reddish
>
cast to it. If I assign the image the monitor profile to it, the two views
>
match.
>
The untagged one is not unmanaged; the default RGB or CMYK space you have
chosen in Photoshop is being used, along with your monitor profile, to view
it.
If Photoshop is assuming ColorMatch (gamma 1.8), and knows the monitor to be
at, say, gamma 2.2, then it is adjusting the gamma from 1.8 (workingspace) to
2.2 (monitor profile), as well as other adjustments to the whitepoint and
primaries. The noncolor managed application is not making these corrections,
or
might possibly be making some bad assumptions like that the file is in your
monitor space (Mac) or sRGB (Windows). When you cancel out the monitor profile
by
assigning it as the workingspace, this may well eliminate these differences.
That does not mean its necessarily a good solution, only that it
coincidentally
makes both situations similarly color clueless.
C. David Tobie
Design Cooperative
email@hidden
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