Re: Lab in Photoshop
Re: Lab in Photoshop
- Subject: Re: Lab in Photoshop
- From: David Remington <email@hidden>
- Date: Thu, 11 Jul 2002 22:38:48 -0400
David,
Can you elaborate a bit on this. I've recently been experimenting
with ProPhoto for editing and archiving fine art reproductions. (all
direct captures BetterLight and Leaf Volare) Are you saying Photoshop
is clipping data? When? During conversions, edits? The only problem
that I've encountered so far is the danger of severe clipping when I
convert web delivery versions (relative, no other way I've come to
know) to sRGB.
Thanks for any input.
Message: 13
From: email@hidden
Date: Thu, 11 Jul 2002 17:01:29 EDT
Subject: Re: Lab in Photoshop
To: email@hidden, email@hidden
In a message dated 7/11/02 4:30:03 PM, email@hidden writes:
So is there any point in scanning into a large-gamut space such as
EktaSpace, if all one is going to do is take the file into Photoshop 7?
Picture AdobeRGB as a triangular pyramid that fits cleanly inside the cubic
box of ICC Lab. Picture Ekta or ProPhoto or whatever large space as being a
pyramidal balloon, which is far to big to fit in that same cubic box, but
which has been inflated inside it anyhow. It does fill more of the box than
AdobeRGB, thus offering you colors AdobeRGB does not. But it also has those
very clipped corners, so that color values in those areas will not be
distinct from one another. 0, 255, 0 will have the same value os 0, 200, 0,
or something similar...
C. David Tobie
Design Cooperative
email@hidden
--
David Remington
Photographer
Digital Imaging and Photography Group
D 40
Widener Library
Cambridge, MA 02138
617-787-4032
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