Re: BCP or no BCP to epson without rip
Re: BCP or no BCP to epson without rip
- Subject: Re: BCP or no BCP to epson without rip
- From: G Mike Adams <email@hidden>
- Date: Tue, 9 Jun 2009 09:25:07 -0500
Augusto,
Well, fact is you're going to continue to be confronted with
contradictory opinions because that's pretty much what they are,
opinions.
There isn't just one hard and fast rule on the subject. So in the end
what's right is what works for you.
However, even though it isn't always entirely true, the way it's
supposed to work is that BPC doesn't even work in perceptual, because
the quickest, easiest, shorthand way to think about what it is and
what it does is that it acts as perceptual rendering intent for the
black channel only. Therefore in perceptual, since all the channels
have been rendered using whatever perceptual formula has been applied,
the black has as well. Since there are all different manner of profile-
making engines out there, and many of them have all different manner
of tweaks and sliders and curves for perceptual, and there are all
different sophistication levels of people making profiles, your
mileage may vary a bit, but that is the way it's supposed to work.
Regards,
Mike Adams
correctcolor.org
On Jun 9, 2009, at 5:26 AM, Augusto wrote:
Printing to Epson is probably the most popular way for photographers
to
squeeze the best of their pictures to paper and although I have been
using
this workflow for some time I still find contradictory opinions on
this BPC
matter.
With a relative colorimetric intent, there is a more unanimous
acceptance
that BPC "on" is the way to go and even the recommended intent if
the image
gamut fits in the destination profile gamut.
With perceptual, I am confronted with a more ambiguous knowledge. I
find
very respected people recommending their profiles to be used with
BPC "off"
and no less respected people saying that BPC should always be "on"
with
profile conversion cause even if it does no good it will not harm.
I would like to "nail" ( if possible) once for all, this workflow
and I
would very much appreciate your knowledge on this question.
Augusto
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