RE: Rel vs Abs proofs
RE: Rel vs Abs proofs
- Subject: RE: Rel vs Abs proofs
- From: "Mike Eddington" <email@hidden>
- Date: Thu, 12 Oct 2006 23:29:48 -0400
- Thread-topic: Rel vs Abs proofs
Title: Re: Rel vs Abs proofs
I agree with Marco on all points...
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Well, I work primarily in the book industry, where there is plenty of paper white to be seen, and find that the dots in white areas can be quite clearly visible.
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If there were visible dots (to the naked eye) I personally would either reconsider the proofing system, or choose a proofing stock that more closely matches the inteded paper shade. We had an HP 5000 inkjet we used for proofing way back...grainy when viewed up close. Switched to Epson Ultrachrome printers and have never had a complaint.
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Obviously, trimming helps, but it's still visible, and often the prospect of trimming upwards of 250 proof sheets is decidedly unappealing.
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When I'm adjusting paper shades on a profile, I rely almost entirely on the numbers, but the effect of chromatic adaptation is so strong that I HAVE to trim it,or I'll disbelieve the numbers. Even a thin line of unprinted stock skews my judgement. Its a very powerful affect and I would never give a client an untrimmed proof for that reason...uh, except in the case of remote proofing, in which case we don't have that control, so its up to the end user to do, which they probably don't so I'll shut my trap now. ;)
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I would say that, since a number of experienced prepress folks on this list have issues with some of the aspects of AbsCol rendering, that it is not an open-and-shut case that AbsCol is the only viable alternative.
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Getting a decent AbsCol proof isn't very intuitive from a traditional ICC standpoint. A USWebCoatedSWOPv2 simulation is likely a dirtier rendering than the stock that one would print on these days, and editing profile white points has been hit or miss for me (with GMG its very easy). But really the best matches between proof and press will occur where the white points are matched...absCol by definition whether there is a dot or not.
Michael Eddington : North American Color, Inc. : www.nac-mi.com
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