[filmscanners] RE: 3 Newbie questions

["LAURIE SOLOMON" <laurie@advancenet.net>]

Paul,
>I don't see how one can reasonably be expected to produce CMYK images
>without specific profiles for the printer in question.

I agree with some of what you have said- especially the above, although I
think you have assumed a somewhat harsh position as to what a print house
should have and use and what it shouldn't.  If by China, it is meant
mainland China; it is entirely possible that they do not have the latest and
greatest software or hardware available.  The same can be said for small
publishing houses or presses who may do quality work using less than the
latest and greatest software or equipment.

It is also possible that they require images in CYMK color space and as EPS
files which will be placed within a page layout that is then sent to the
press where plates will be made by the printers in accordance with their
requirments in order to keep their costs down; whereas the submission of RGB
TIFF, PSD, or some other file format files would require additional work and
costs on their end which would make the publication budget unprofitable.

> And it shouldn't matter what specific color space (sRGB, Adobe RGB, etc.)
you
>choose, because any modern image processing software will obey the profile.

While image processing software may be able to obey a profile for any color
space, it does not mean that all the colors in that profiled color space
will be in gamut or coverted properly when translated to CYMK process inks
so as to reproduce exactly as it appeared on the monitor at either your end
or their end even if all the monitors are calibrated.

Having said that, I would suggest that Maaki contact the author and have the
author get in touch with the publisher or the press and find out what they
will or will not accept, what they can work with in a pinch, if they have
the capability to scan and color correct the slides at their end, and if
they can furnish information as to what CYMK press standard they use for
their presses given the inks and papers that will be used.

-----Original Message-----
From: filmscanners_owner@halftone.co.uk
[mailto:filmscanners_owner@halftone.co.uk]On Behalf Of Paul D. DeRocco
Sent: Saturday, August 09, 2003 9:27 PM
To: laurie@advancenet.net
Subject: [filmscanners] RE: 3 Newbie questions


> From: Maaki
>
> Nevertheless, I still need to send some images to an author in China
> who has requested them for a book he is writing. It seems now, that
> it's best that I send him slides wherever possible. Unfortunately
> however, some of my old slides are off-color, and those I was
> planning to send as digital images.
>
> It turns out that the graphic designer I had hired to color correct
> the slides, had always worked in a shop where someone else looked
> after all the hardware and  the software, so she hadn't set any of
> the preferences. She's gone now, and I just checked  the Photoshop 6
> preference settings on the computer that she had been using. The
> Color Settings were left at "Web Graphics Defaults" with RGB set at
> "sRBG IEC61966-21".
>
> The book will probably be published in China,  so for the badly
> off-color slides that were scanned and color corrected by the graphic
> designer, should I re-set the preferences to "US Prepress Defaults",
> "Japan Prepress Defaults" or perhaps "European Prepress Defaults",
> before  re-checking the color on my screen?  All three have RGB
> default set at "Adobe RGB 1998".

I don't see how one can reasonably be expected to produce CMYK images
without specific profiles for the printer in question. I would expect that
any reasonable print house should be able to accept (and indeed should
prefer) images in an RGB color space with an embedded profile. And it
shouldn't matter what specific color space (sRGB, Adobe RGB, etc.) you
choose, because any modern image processing software will obey the profile.
If they can't deal with that, then they must have some _real_ stone-age
software.

--

Ciao,               Paul D. DeRocco
Paul                mailto:pderocco@ix.netcom.com

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