Re: Capturing in aRGB or sRGB [collective reply

PhotoRoy6@xxxxxxx · Mon, 03 Dec 2007 15:26:22 -0500 (EST)

In a message dated 12/3/2007 4:45:11 A.M. Eastern Standard Time, 
clenchedteethphotography@xxxxxxxx writes:

  well In my case I have a major shift in blacks and reds when I convert in 
  PS. The are lighter and less saturated. Greens suffer less. 

You should have no shift in the black. Are you suing black point 
compensation in your conversion ? There is no red that is in gamut in aSRG that 
is not also in gamut in sRGB. Now there might be a translational error due to 
the color engine you are using where the number ( each color has a number) is 
not put into the sRGB space at the correct location.

I suggest 
(1) try just assigning the sRGB profile to your file and see how it 
prints

(2) convert the aRGB into LAB space first and then convert into sRGB and 
see how it prints

(3) is your monitor profiled?

(4) is your histogram covering the full ( or almost) length of the 
horizontal axis (~0-10 to ~245-255?

Roy

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