Archived posting to the Leica Users Group, 2000/12/02

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Subject: Re: [Leica] Dec National Geo...
From: Javier Perez <summarex@yahoo.com>
Date: Sat, 02 Dec 2000 11:43:07 -0500
References: <20001202052043.17185.qmail@web3105.mail.yahoo.com> <013f01c05c25$69782240$c9190ccf@ttamura> <a05010403b64eb7cc4e94@[1.1.1.144]>

I was wondering.
Is there (should there be)
a difference between
BW prints done off colour negatives
and BW prints done of BW negatives,
assuming a BW enlarger, BW paper and chemicals?
Javier


Nick Poole wrote:

> Re: B&W repro in National Geographic, Thomas G. Tamura wrote:
> >
> >I wonder if it was even shot with B&W film?  I believe many of the
> >news magazinesŠ (snip) are running B&W photos that were originally
> >shot on either color film or digitally.
> >
> >Just my thoughts.
>
> You're quite right, Thomas. This is now the norm because it's so easy
> to strip the colour out in Photoshop and still retain the densities
> needed to print as a full tone B&W image - if done properly. But few
> people do this because it takes real skill to get rich, open shadow
> detail using a single ink (black) on an offset press. B&W pictures in
> art books, monographs etc., are usually printed as duotones (black
> and a second colour, often grey, to retain highlight detail and
> enrich the lower mid-tones) to overcome this. What you may not be
> aware of is that nearly all B&W images in magazines are printed using
> CMYK process inks, i.e. they are really colour! Examine the
> characteristic rosettes under a loupe and you'll see it clearly.
> Nick.


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Replies: Reply from Mark Rabiner <mark@rabiner.cncoffice.com> (Re: [Leica] Dec National Geo...)
In reply to: Message from Roger <contaxaholic@yahoo.com> (Re: [Leica] Dec National Geo...)
Message from "Thomas G. Tamura" <ttamura@aloha.net> (Re: [Leica] Dec National Geo...)
Message from Nick Poole <nick.botton@camphill.org.uk> (Re: [Leica] Dec National Geo...)