Re: Photography editing spaces
Re: Photography editing spaces
- Subject: Re: Photography editing spaces
- From: Mo <email@hidden>
- Date: Thu, 2 Oct 2008 11:49:48 -0700
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.
It depends on how critical you need to preserve the color appearance
of the original capture. sRGB is not a linear color space such as
Adobe RGB.
So, for example:
When you do a color adjustment such as Curves, you move the Red
channel from 128 to 120 - you may not be making THAT exact change in
the file because sRGB is not linear and the tools you are using are.
Also, rounding of numbers comes into play in which color space you are
doing the adjustments in. Finally, The Power Curve of the color space
will come into play. In other words, You will see a difference between
a Light room adjustment and a Photoshop adjustment that are exactly
the same due to the different architectures of the apps.
mo
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