Re: The gamut of digital capture
Re: The gamut of digital capture
- Subject: Re: The gamut of digital capture
- From: bruce fraser <email@hidden>
- Date: Wed, 11 Jan 2006 11:31:52 -0800
At 12:02 PM -0700 1/11/06, Andrew Rodney wrote:
I found this "interesting" and thought I'd see what others think of this
statement:
by WILL CROCKETT UPDATED January, 2006.
The so called "native" color space, meaning the volume of color that all
DSLR's can actually record is very close to the sRGB space - certainly
smaller than Adobe RGB. When you set a DSLR to capture in the Adobe RGB
space, it doesn't capture more color at all. In fact, it just uses the same
color info and stretches it out into the Adobe RGB space, and struggles to
do so.
The entire piece is here (you need to make a free account and log in):
http://shootsmarter.com/infocenter/wc003.html
I'll be gentle, and simply say that this statement runs counter to my
experience.
I have many examples of raw images that clip when brought into even
Adobe RGB. Dark yellow-green vegetation is a prime culprit -- most
RGB spaces are very deficient in dark, saturated colors in general
simply because of their characteristic shape.
A link goes to a page that also states:
FACT ONE: there are no printers with a color space (aka output space) that
is larger (holding more volume of data) than sRGB.
Probably true, but not particularly relevant. I don't know of ANY
printers that can't produce a yellow and a cyan that lie way outside
sRGB. As in many other things, size isn't what matters-it's how the
two participants (in this case, source space and destination space)
work together. sRGB is a particularly poor match to the gamuts of
most printing devices.
(If I were being less gentle, I'd say that someone perpetuating this
misinformation is either remarkably ignorant, too lazy to do any
actual objective testing, or has their own agenda that does not
include education. In any case, it's irresponsible.)
--
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