Hi Paul
I don't see how you can fix this sort of problem if you supply RGB files to your clients or to printers. You have no way of knowing whether they can even read your carefully calibrated profiles, never mind how they are converting them to CMYK. In my experience they may not know THEMSELVES how they are making CMYK.
In my opinion it's a recipe for disaster for photographers to supply RGB, and when my clients have (occasionally) demanded RGB there have often been problems. Send them a CMYK file and you KNOW what you have sent, and they KNOW what they've received. You and they can relate the numbers in the file DIRECTLY to what comes out on the proof, and if there's a problem (e.g. muddy proof) it's easy for either of you to fix it.
I have been supplying CMYK from my digital work for 4 years, it's NOT rocket science, and I've hardly ever needed to fix problems.
Regards,
Colin Thomas
By the by I am having a similar problem with a prepress house supplying
dirty/grey proofs from adobe rgb .tif files viewed on my calibrated screen
and printed perfectly on my calibrated printer. Is this also a dot gain
problem or could it be someting else?
I would appreciate responses asap
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