Re: Rel vs Abs proofs
Re: Rel vs Abs proofs
- Subject: Re: Rel vs Abs proofs
- From: Kim Christiansen <email@hidden>
- Date: Thu, 12 Oct 2006 11:31:13 -0700
In my experience, if a client thinks their proof is correct, then
they will expect you to match it...
No matter what :)
Taking into account the other excellent response on the technical
merits of relcol v abscol and that I might be preaching to the choir,
here goes:
If they are savvy enough to know to switch from abscol to relcol then
they are also savvy enough to hear that while making a great looking
proof is fine, making an *accurate* proof is more worthwhile.
That said, I'm not sure this is a question of relcol v abscol
proofing at all. I think the question is, is it the goal of your
client to make accurate proofs to simulate the press or to make more
saturated proofs to sell to their clients? GMG uses abscol and proofs
from that system match the press very closely if set up correctly. A
relcol proof might look brighter and more punchy but if the press
operators have to go through histrionics on each sheet to attempt to
match the proofs the result will either be sheets that are not a
close match to the proofs or assuming they are successful, the
printer will jack up the quote of the next job accordingly to cover
their losses in make ready.
So, assuming a really good overall setup (RIP, profiles, etc) it
would follow that:
A) If it's an accurate-to-press proof they want, then they should use
abscol proofs to have it match more closely to the printed sheet.
or
B) If it's a matter of making a good looking proof that's easier to
sell, then they should use relcol and accept the gamble that the
printer can match it in the pressroom.
Sometimes it isn't a matter of rendering intents, L*a*b values, white
points or deltaE, it's a matter of understanding motivations.
-------------------------
Kim Christiansen
iocolor
1402 Third Avenue, Suite 301
Seattle, WA 98101
206-223-1845
-------------------------
On Oct 10, 2006, at 6:28 PM, Roger Breton wrote:
Would it make sense to argue that, in RelCol, users nevertheless
expect the
RelCol of their harcopy proofs to be matched absolutely?
Discounting the
absolute white point of the proofing substrate.
Last but not least, this is more of a printing-related type of
question,
would it make sense to argue further that, in order to match a
RelCol proof,
as compared to match an AbsCol style of proof, everything else being
constant, a printing press will have to expend more ink? Because
the colors
to be matched are, for all intents and purposes, more saturated?
A client of mine recently made the switch from AbsCol proofs to RelCol
proofs and I have the distinct impression that, in order to match
this new
generation of proofs, the press needs to expend more ink, all of a
sudden.
Is that consistent with anyone's experience?
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