Re: Photography editing spaces
Re: Photography editing spaces
- Subject: Re: Photography editing spaces
- From: Marco Ugolini <email@hidden>
- Date: Thu, 02 Oct 2008 16:11:25 -0700
- Thread-topic: Photography editing spaces
In a message dated 10/2/08 11:36 AM, Matt Beals wrote:
> Given that many images from con/pro-sumer digital cameras use sRGB as
> their native color space is there any reason for me to not make color
> adjustments in sRGB? Typically for graphic arts people prefer Adobe RGB
> 1998. For GRACoL work I have a few friends who suggest using ECI RGB.
> But if I'm working on images that are destined for a photo lab for
> printing (even a Costco/CVS/Snapfish type service) is there any
> advantage in converting to ProPhoto or any other color space than sRGB?
> I don't see the advantage, but that doesn't mean there isn't one. I'm
> open to all suggestions.
Matt,
Please realize that if you are using your camera's own internal processing
mechanism to produce JPEGs, you are giving up the larger color gamut and
dynamic range (and other advantages too) that you would be able to extract
from a Raw capture.
Nonetheless, if you prefer to work with JPEGs rather than Raw files, you
could try using the AdobeRGB space instead, if your camera controls allow
for that choice. It's a color space with a considerably larger gamut than
sRGB, and you may be able to preserve some colors (and saturated detail)
that possibly get tossed away in sRGB.
That having been said, if you still prefer to stay in sRGB, edits in that
space are fine. I don't see problems of principle with that, other than the
ones I already delineated (gamut, mainly). But remember that, for example, a
common-enough output like SWOP Coated (also called "web offset") is capable
of producing colors in a sizable area of Cyans and Greens that are *outside*
the gamut of sRGB. So, if SWOP is one of your intended output targets, you
may want to keep that under advisement.
As for photolabs, I'm not an expert on those, but my sense, from having read
about them from others, is that sRGB is probably the advisable color space
to use. I don't know how many of those labs consciously and deliberately
color-manage their output, but my guess would be that many don't. Ask them,
though, and you may be pleasantly surprised.
All the best.
Marco Ugolini
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