On Sat, Apr 24, 2010 at 2:07 PM, Simon ANTIBES <cadcolor@xxxxxxxxxxx> wrote: > Here's the problem : > > Vuescan software can produce out-of-scanner images in DNG format. > The problem arises with scans of negatives, which can be viewed, > but are diplayed as negatives. > > To include these files in my Lightroom workflow > I'd like to assign them a specific profile for negatives. > > Could that profile be generated ? : > > for 0.->1. color range it would give 1.->0. > (so R= 240 would give R= 15 [255-240]) > this with linear gamma > (plus gamma= 2.2 and gamma = 1./2.2 for test cases). As far as I know, almost all decent scanner software has inversion for negatives built-in... You should probably use the ICC profile for color correction, not for negative inversion. > Could general purpose tools allow creation > of such profile,how, would they be accepted > and applied by software (ie Lightroom,Photoshop...)? Can Lightroom deal with standard ICC input profiles? I was under the impression it couldn't... Regards, Pascal de Bruijn