RE: ISO-3664:2009 illumination
RE: ISO-3664:2009 illumination
- Subject: RE: ISO-3664:2009 illumination
- From: Roger Breton via colorsync-users <email@hidden>
- Date: Mon, 17 Jun 2019 22:55:14 -0400
Hi Fons,
Would you happen to have a link?
/ Roger
-----Original Message-----
From: colorsync-users
<colorsync-users-bounces+graxx=email@hidden> On Behalf Of Fons
Put via colorsync-users
Sent: Monday, June 17, 2019 10:32 AM
To: email@hidden
Subject: Re: ISO-3664:2009 illumination
There’s nothing like a free lunch. Through OBA’s the paper industry succeeded
to turn paper into mini displays (capture UV-light and emit as blue light).
Lunch is paid by the energy of artificial light sources (OBA’s are not used for
outdoor applications). Artificial light sources are further optimised, the
presence of UV-energy is not required and OBA’s can become irrelevant.
Anyway, for the moment we inspect and characterise viewing light by two
measuring devices:
- visual spectrum (380-730nm, 10nm interval, I1 or similar instruments)
- UV spectrum (230-470nm, 0.5nm interval, Solascope) Normalizing the overlap of
the two measurements towards the visual spectrum results in a single spectrum
in the range 230 - 730)
Best regards,
Fons Put
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