Digital BW, The Print

>Vuescan doesn't allow a choice of a color space to assign to
>the scanned image other than from an internal list of color
>space profiles. The last is a nice list for color images so
>there's no reason to complain: AdobeRGB, Colormatch, Bruce,
>Wide Gamut, Ektaspace etc. But adding another one from Windows
>resources isn't possible. We have to ask Ed Hamrick for the
>possibility to add either QTR RGB-Lab or QTR Gray-Lab to that
>list. The printer profiles show but I do not see a need for
>adding printer profiles to scanner software. Not having the
>color space makes it impossible to check the workings of the
>LCMS color engine with the profiles. The choices of B&W film
>calibrations are quite good ( with developer times etc in the
>manual for some films) so the film input side is reasonably
>well covered, it is possible to make custom film profiles but
>that's usually only done with color slide film. It doesn't
>mean that there couldn't be a new B&W custom calibration added
>but that's Ed territory.
>  
>

Asked Ed Hamrick to add the two Lab spaces to Vuescan but he doesn't see 
technical reasons to add them to the software. He is right on that 
aspect, saving a 16 bit greyscale TIFF with 2.2 gamma and converting to 
QTR Gray-Lab with BPC on in PS CS will not give a loss in tone mapping. 
It would be more convenient though to have it done in Vuescan already.

Ernst