Re: was: Brightener in Epson Premium Glossy
Re: was: Brightener in Epson Premium Glossy
- Subject: Re: was: Brightener in Epson Premium Glossy
- From: Roger Breton <email@hidden>
- Date: Wed, 02 Oct 2002 07:47:49 -0400
>
I'm not sure I quite understand your question, but I used
>
a spectrocam to measure the spectrum of the light booths.
>
>
> Their claim to have very sophisticated algorithimics to eliminate this
>
> effect.
As a matter of fact, a SpectroCam operated in "Spectral Camera" mode behaves
like a Spectroradiometer! Kind of impressive when you consider that
spectroradiometers are very, very expensive in comparison. If anyone wants
to sell a used PhotoResearch 604 or a Minolta CS-1000 under $5000, let me
know. I don't mean to suggest that a SpectroCam is in the same class as
these fine instruments but, for the price, it is quite a feat. You can point
it at anything, light sources or surface colors, just like the real thing.
And, for my money, I believe it is the best prescription for measuring
fluorescent papers as the Xenon light source excites more of the UV than an
incandescent light source. This will yield, in my experience, measurements
that are more closely related to D50 viewing conditions. Just so that I
don't get the napalm, when a substrate has no OB, I don't use a SpectroCam
but when it does, well, my experience shows that I get better profiles by
using it than any other spectros out there -- x41, DS and EyeOne. Some
people report good results with UV filters on their instrument, my
experience contradicts this. What can I say?
My two cents.
Regards,
Roger Breton
Laval, Canada
email@hidden
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