Re: 8 bit vs. more bits
Re: 8 bit vs. more bits
- Subject: Re: 8 bit vs. more bits
- From: bruce fraser <email@hidden>
- Date: Mon, 18 Apr 2005 08:21:53 -0700
At 10:15 AM -0400 4/18/05, Roger Breton wrote:
> If I seem to have presented 16-bit as an absolute, that wasn't my
intention, and has never been my belief or my practice.
Your practice? Aren't you advocating and practicing an all ACR to ProPhoto
workflow? For all kinds of good technical reasons. Nothing wrong with that
but it is *pure* 16 bits, no?
Yes. But I also make 8-bit screen shots, and I've been known to work
on 8-bit legacy files rather than rescan. Also, it's a photographer's
workflow, not a prepress shop's workflow. (Even for a photographer's
workflow, I wouldn't attempt to dictate that someone shooting 200
widgets on white seamless has to stay in 16-bit all the way to
output.) If all I cared about was getting as many
commercially-acceptable images out to a single print process as
possible, I'd be looking for the minority of images that might pose
problems in an 8-bit workflow and special-casing those.
I err on the side of caution by staying in 16-bit until I'm forced to
downsample because it avoids guesswork and it costs me less in the
long run. I've never claimed that that applied to everyone on the
planet. I have the infrastructure to support high-bit workflow
relatively painlessly-fast machines, plenty of RAM, tons of storage,
fat pipes. You get into diminishing returns the longer you stay in
16-bit, but I've been bitten too many times by 8-bit artifacts that
suddenly show up on conversion to output space on otherwise
well-behaved images that it's simply easier for me to stay in 16-bit
space for my personal work.
What I responded to in the first place was the bald claim that there
is no reason to ever work in high-bit mode, which was presented as
an absolute, and with which I disagree.
--
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