[argyllcms] Re: Profiling backlit film (with Monitor?)
- From: Ben Goren <ben@xxxxxxxxxxxxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Fri, 1 Dec 2017 09:48:14 -0700
On Dec 1, 2017, at 9:32 AM, Roger Breton <graxx@xxxxxxxxxxxx> wrote:
Is it “better” to measure with the media sitting on a fluorescent light
source?
It's going to depend in no small part on what the purpose of the profile is.
In the most obvious case, you're making prints to be printed on translucent
transparencies meant to be backlit. In that example, you want to measure
exactly the same way the final prints will be displayed -- the same bulbs,
ideally the same enclosures, the works.
Different scenarios might call for something different, but that should at
least help point you in the right direction.
In this particular case...the backlight is rather unlikely to be the same as
the ambient illuminant in the final viewing environment. If these are
general-purpose prints that'll be viewed random locations, there's not much you
can do. But, if it's for a specific gallery or the like, you'll want to get a
spectroscopic measurement of the actual ambient light and appropriately throw
that into Argyll's profile generation mixing pot. That way, you can match the
white point of the transparency to the ambient white point (with a loss of
dynamic range, of which a transparency should have more than enough to spare)
in a way that truly makes the final print look especially natural. As in, like
there was an invisible spotlight on the art that was perfectly baffled so as to
create no spill that also didn't cast shadows.
Cheers,
b&
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