[argyllcms] Re: [argyllcms] Re: how many patches, profiling Epson printers

> --- Ursprüngliche Nachricht ---
> Von: Roger Breton <graxx@xxxxxxxxxxxx>

> What do you say Graeme? I know the Spectrolino and most X-Rite
> instruments, in comparison, are built around tungsten light
> sources. In theory, like Gerard hypothesized, I'd expect a
> tungsten-based instrument to excite less fluorescence in the
> paper as a Xenon-based instrument.

Roger,

I think this not really in question, that this is the case.

As Graeme said, his algorithm needs some UV in the instrument light source
in order that it can predict the FWA amount in the paper. Obviously, even
(unfiltered) tungsten contains a sufficient UV amount for this purpose. But
I'm wondering, whether the algorithm will work significantly more accurate
with a Xenon flash, than with a tungsten lamp.

Regards,
Gerhard

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