Re: Epson Stylus Pro 9600 Extrachrome
Re: Epson Stylus Pro 9600 Extrachrome
- Subject: Re: Epson Stylus Pro 9600 Extrachrome
- From: "jc castronovo" <email@hidden>
- Date: Wed, 17 Nov 2004 07:10:40 -0500
A very informative post Mr. Gill. From your experience, could you tell us
which inkjet inks would exhibit a good spectral match to offset process inks
for proofing purposes? How badly do Epson Ultrachromes perform in this
regard compared to other choices?
john c
----- Original Message -----
From: "Graeme Gill"
> > Are you saying compare the spectral reflectance of the CMYK inks of
inkjet
> > inks to those of the offset inks I'm trying to simulate?
>
> Yes.
>
> > If the spectral
> > reflectances are remotely similar between the two systems there are good
> > chances I will see a match over a broad range of illumination?
>
> That should be the case (modulo how differently the colorants mix).
>
> > At what point would you say the match is going to stop working? Any idea
on how to
> > quantify that?
>
> The standard way of quantifying this would be to either measure and/or
calculate
> the delta E under an illuminant other than the one they are designed to be
> a tristimulus match under.
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