Digital BW, The Print

--- In DigitalBlackandWhiteThePrint@yahoogroups.com,
<jm-ferreira@b...> wrote:
> Tyler,
> 
>  
> 
> I went back to Carl Schofield's site and downloaded the profiles
(thank you,
> Carl). I did a quick test with a previously printed TIFF
(grayscale/8 bit/)
> and chose the HPR-UCEB-SEPIA profile, even though this image was
printed on
> Ilford Perl… I know colour management purists are grinding their
teeth, but
> this was just a quick test.
> 
>  
> 
> The resulting proof is actually pretty accurate when compared to the
print!
> Is this normal? The black ink is not the same, the paper is not the
same,
> but it's accurate… Go wonder…

Not too unexpected, I'm sure Carl's profiles are all linearized, and
since QTR is linearized to LAB, always, the progression of tones
should be the same. Only hue, paper white, and ink black will vary in
a perfect world.


> Another thing: there is no change if I open the file with an assigned
> profile of 2.2 gray gamma or 20% dot gain…. The soft proof looks
exactly the
> same. Go wonder again…

Well, there's not a huge difference, but you should see it. Are you
sure you are checking "preserve color numbers"?
Tyler