Re: Creating Proofs for ISO Coated & FOGRA Proof Verification
Re: Creating Proofs for ISO Coated & FOGRA Proof Verification
- Subject: Re: Creating Proofs for ISO Coated & FOGRA Proof Verification
- From: Paul Sherfield <email@hidden>
- Date: Sat, 09 Dec 2006 11:12:00 +0000
> Message: 2
> Date: Thu, 07 Dec 2006 22:56:40 -1000
> From: Joseph Yates <email@hidden>
> Subject: Creating Proofs for ISO Coated & FOGRA Proof Verification
> To: ColorSync Users Mailing List <email@hidden>
> Message-ID: <C19E4CA8.17BF9%email@hidden>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Hi All,
>
> I wanted to revisit these topics from back in July although the discussion
> then centered around creating proofs for SWOP.
>
> My publishing company is now looking into creating & verifying the proofs
> for use with our overseas Asian printers.
>
> Whereas before I would profile and match my files to their digital proofing
> systems Creo Spectrums & Kodak Approvals with FM screening I am now
> basing my files on the ECI 2004 Offset ISO 12647-2 standards.
>
> We currently are in the process of setting up a Epson 9800 with K3 inks /
> GCS ORIS Color Tuner / ORIS PearlPROOF Super proofing stock / GM i1.
>
> Can any of you that are already doing this care to weigh in with pros / cons
> / comments or advise on this process and the best results that I might
> expect?
>
> One main concern that I have is that even with a proof that is verified in
> this case by ORIS Certified Proof where the average dE is less than 4 and
> maximum dE is less than 10 when the FOGRA wedge is read (or even halving
> these figures as some suggested) - am I really going to end up with a
> ³contract² proof that my overseas printer is going to be able to accept &
> match on press? Of course I realize much of that depends on the quality of
> the proofing system and my Asian printers expertise.
>
> But with the ECI and DigitalProof forums in Germany now adding measurements
> for changes in hue and the IPA Proof Round Ups adding Visual Match - along
> with other criteria since all the proofing systems seemed to be able to
> meet the wide numeric DeltaE tolerances - are these ³verifications² which
> as I understand them rely ONLY on numeric deltaE measurements - really
> going to give me a accurate proof-to-press proof?
>
>
> Joseph Yates
> Pacifica Island Art, Inc.
> Maui, Hawaii
>
Hi Joseph
My experience with proof check using the Fogra Media Wedge for critical
colour work is that you will need to at least halve the allowed tolerances.
Using the higher figures will result in proofs that will not match each
other at the same tolerances.
Indeed I would look for an average of below 1De
A maximum of 3 DE
And primaries below 2.5De
The the printer need to know and under stand the ISO 12647/2-2004 printing
condition required by the proof in order to match on press.
Regards
Paul Sherfield
The Missing Horse Consultancy Ltd
Telephone: 01442 871752
Mobile: 07899 906385
Skype: missinghorseconsultancy
http://www.missinghorsecons.co.uk
Apple Solutions Expert-Print & Publishing
Member - UK TC130 Technical Advisory Group
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