Datacolor User to User Support Group.

--- In colorvision_group@yahoogroups.com, "julianv1" <julianv@...> wrote:
>
> In an earlier thread, C.D. Tobie advised the use of second sheet of
the same paper, under 
> the paper that is being measured for a profile.
> 
> Tonight I read the following message
> 
> <http://forums.dpreview.com/forums/read.asp?forum=1003&message=18964864>
> 
> in which the poster mentions two different approaches to this: an
ANSI standard that calls 
> for a black substrate, and an ISO standard that calls for a white
substrate.
> 
> Does the color of the substrate make a significant difference in the
profile?  If so, does the 
> correct choice depend on how the prints made with the profile are
going to be mounted 
> and illuminated?  Does the design of the PFP device and software
assume a particular 
> substrate?
> 
> If anyone is likely to see this effect, it might be me, since I have
been making profiles on a 
> black desktop.  But I have not yet tried a comparison with profiles
made on a white 
> substrate.
>


If you want the most accurate final rendition possible, take readings
on the substrate you will be mounting your final image on.

Tom