[argyllcms] Re: colormouse vs. digital camera
- From: "Alastair M. Robinson" <blackfive@xxxxxxxxxxxxxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Fri, 21 Oct 2005 17:21:36 +0100
Hi,
Stephan Bourgeois wrote:
3. the profile generated with the Colormouse has a slight red/magenta
cast that can be compensated by the following gamma correction [R=0.95
G=1.05 B=1.0]
One possible cause for this is the inks you're using.
I get a *very* slight yellowy cast on my R300, using 7DayShop's
dirt-cheap inks. A few weeks ago I had a mixture of cartridges,
including a Spectrum black, which exhibited the most *horrendous*
metamerism, giving a terrible yellow cast. I was actually using D65
measurements from the colourmouse to compensate!
On the other hand, I generated profiles for a C84 and C86 (using Epson
DuraBrite ink) and got *perfect* grey balance. (Judged by eye, anyway)
These were all using a target with a mere 126 patches - 99 chosen by
argyll, 20 near-greys and a few skin tones.
All the best,
--
Alastair M. Robinson
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