Re: Macbeth gray vs. Kodak gray?
Re: Macbeth gray vs. Kodak gray?
- Subject: Re: Macbeth gray vs. Kodak gray?
- From: Randy Wright <email@hidden>
- Date: Tue, 19 Feb 2002 19:30:10 -0800 (PST)
Sandy,
Although, you don't say so in your original post, it
sounds like you are primarily a portrait/wedding
photographer. If so, sRGB may be a reasonable choice
for your color space, because you will not be dealing
in highly saturated colors for the important part of
your work: faces. ProShots is designed for high volume
work in the social photography lab. While some of the
lab's customers will be using high-end cameras, the
majority will be using mid-range models, and again,
they will likely as not delivering sRGB. Your primary
lab brings up a good point, in that it is hard to keep
all of their users up to date with their current
profiles. However, photographic printers don't drift
all that much as long as the lab stays on top of their
process control. This is something they should be able
to do in their sleep by now, and if they can't, you
should find another lab. If they are profiling
themselves right now, ask them for copies of whatever
they have for the past few months, and compare the
profiles. They probably will be pretty much the same.
If they are, just ask them to let you know if they
change paper suppliers, or a new generation of paper
comes out that might cause a significant change to
their profile. Keep in mind that the lab has a vested
interest in keeping things the same in their
production.
I don't understand why the second lab would force all
their Lambda work to match the Frontier. I don't have
a Lambda profile to compare, but I would expect it to
have a bigger gamut than the Frontier. If you aren't
using them for Frontier output, why would you care if
the Lambda and Frontier prints didn't match? For what
its worth, the Frontier is designed to assume the
files it is receiving are sRGB. Beyond that, it is
completely ICC unaware. You can still profile it for
soft proofing.
I would suggest that you invest in a copy of
ColorThink to help decide on your colorspace. You can
use it to graph colorspaces and profiles in 3D. You
can also use it to show how the colors in an image are
distributed within a colorspace. You could take a
representative sample of you work and see for yourself
if you need a big colorspace to adequately describe
your images or not.
Randy Wright
Color Services
Yahoo! Sports - Coverage of the 2002 Olympic Games
http://sports.yahoo.com
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