Plugged shadows when using PS 7.01
Plugged shadows when using PS 7.01
- Subject: Plugged shadows when using PS 7.01
- From: Warren Roos <email@hidden>
- Date: Fri, 30 Aug 2002 08:52:17 -0400
We have found some disturbing oddities with PS 7.01 (using OS 9.2)
from files created with the Nikon D1X that has us baffled. The same
file looks very dark in PS 7.01 when viewed against PS 6.01. The
numbers are close but the darker image would lead us to "correct" the
file in a false way. Having sent thousands of files to press using PS
6.01 I take this to be a real and serious problem.
Apparently, it's known that the color management settings on the
camera, the Nikon D1X, doesn't do what one might expect; setting the
Nikon D1X's color mode to Adobe RGB and then trying to open the file
in PS 7.02 results in PS7 treading he EXIF metadata as sRGB and not
the "camera setting of" Adobe RGB. If the color mode of the Nikon
D1X is set to sRGB and the same thing happens!! Either way the file
is tagged with sRGB metadata, (not that a profile has been embedded,
just tagged in the metadata). Would that Nikon's software would
allow for using cameras custom ICC profile!
We found a pretty good explanation:
lists.apple.com/archives/colorsync-users/2002/May/03/nikonandsrgb.004.txt
In OS 9.2 opening a right-out-of-D1X JPEG file in PS 6.0.1 (adobe 98
as RGB workspace, preserve embedded profiles, missing profiles on)
and the file opens up with the missing profile dialog box options.
Opening the same file in PS 7 with same CM setup and you are prompted
with the mismatched profile dialogue box indicating sRGB as the
embedded profile. PS 6 doesn't read the metadata, PS 7 does, a new
feature in Photoshop. (A plug-in download is available to "Ignore
EXIF data" which returns a missing profile dialog box, with the usual
options.) All this just shows the new PS 7 feature is working.
Here's the awful crux. With both PS's 6.01 and 7.01open, and the
same D1X (jpeg) file opened in the same manner in both--that is, if
you assign a profile to one and assign the same to the other, or
don't color manage either, you get two vastly different images. GULP!
Values in the info palette are the same, but the appearance of the
images, very blocked up shadows in 7.01, normal in 6.01, are night
and day. Open the image in PS 7 alone and the same heavy image
appears. Open in PS 6 alone and things look as usual. No competition
for monitor control. The same thing happens in OS X 10.2. This is
not good and has us stumped and balding. Any suggestions?
-Warren Roos
--
Wa..en Roos Photography Inc.
207.773.3771
http://www.Roosphoto.com/
http://www.portfolios.com/roosphoto.com
Stock
http://www.mira.com/
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