It is going to be interesting. Your results are encouraging.
Best / Roger Breton
-----Original Message-----
From: eci-en-bounces(a)lists.callassoftware.com
[mailto:eci-en-bounces@lists.callassoftware.com] On Behalf Of Paul Sherfield
Sent: 23 juin 2014 11:23
To: eci-en(a)lists.callassoftware.com
Subject: Re: [ECI-EN] Fred 15 project-Profile comparision
Hi
I have taken 4 test images and separated them using:
1) ISO coated v2 eci 330
2) ISO coated v2 VIGC 320
3) Fogra 51 M0
4) GRACol 2013 CRPC6
I then proofed them on a EFI Fiery XF rip to a Epson 7900, to a Fogra 39
simulation profile to see the visual effects of mixing these profiles in a
current Fofra 39 printing condition. Then validated to this condition to ISO
12647/7.
The results are interesting. Visually the Fogra 51 and GRACol images are a
close match to the two sets of images using the Fogra 39 based profiles.
The main area of difference, as may be expected, is in the mid tones. For
the Fogra 51 the common CMYK TVI is slightly noticeable. This mid tone
difference is also slightly visible with the GRACol CRPC 6 profile which
allows for a higher K TVI.
I intend to do further tests using differing images which may point to
greater differences, but at the moment my first thoughts are that, for most
work, images using these profiles may be interchangeable using the differing
printing conditions.
I also hope later this year to carry out press tests using these profiles
and these printing conditions and inter-changing between them.
Regards
Paul Sherfield
Telephone : + 44 1442 207626
Mobile: + 44 7899 906385
http://www.missinghorsecons.co.uk
http://twitter.com/#!/missinghorse
Apple Solutions Expert - Print & Publishing Member - UK TC130 Technical
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On 19/06/2014 11:00, "eci-en-request(a)lists.callassoftware.com"
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Today's Topics:
1. Re: Fred15 project - M1 paperwhite for PC1 coated premium
(Bret Hesler)
----------------------------------------------------------------------
Message: 1
Date: Wed, 18 Jun 2014 19:42:08 -0400
From: Bret Hesler <bret.hesler(a)gmail.com>
Subject: Re: [ECI-EN] Fred15 project - M1 paperwhite for PC1 coated
premium
To: eci-en(a)lists.callassoftware.com
Message-ID:
<CADCjBLh0V1HawMod1iB5M=_MZ7GpeDrc_rpJLu4PENnQRtK=mg(a)mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
Hello,
With the GRACoL 2013 profile, the proofs made with M1 readings were too
yellow, the proofs made with M0 readings were much better.
I read 11 different papers with M0 and M1 on and i1Pro2. The b* range
for
M0 was -2.21 to -6.64 with an average of -3.98. The b* range for M1 was
-3.95 to -9.52 with an average of -6.1
Thanks,
Bret
---------------------------------------------------------------------
-
Message: 1
Date: Tue, 27 May 2014 17:19:12 -0400
From: Bret Hesler <bret.hesler(a)gmail.com>
Subject: Re: [ECI-EN] Fred15 project - M1 paperwhite for PC1 coated
premium
To: eci-en(a)lists.callassoftware.com
Message-ID:
<
CADCjBLh+p2HrjBo6O_CvJYUEqFCJhMCXzVTS5r-2Bkrz6nV0iA(a)mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
Hello,
I just got an i1 Pro 2 and will be calibrating a proofer tomorrow to
the Gracol 2013 dataset, which has the same white point and specifies
M1. I took M1 and M0 readings of a couple papers and I agree with
your findings.
Sappi Opus is a pretty common sheet, which I have been using as a
target for years, and reads about -4b* in M0 and -6.5b* in M1. After
I complete my profiling tomorrow, I will report back.
Thanks,
Bret Hesler
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