Instrument Illuminants
Instrument Illuminants
- Subject: Instrument Illuminants
- From: Mike Eddington <email@hidden>
- Date: Mon, 5 Jan 2009 08:48:17 -0500
Question on instrumentation illuminants: Do typical
spectrophotometers (i1 for example) typically assume the illuminants
spectral output is illuminant A ( and correlate that to D50) or is the
correction to D50 tuned to the illuminants custom curve (either as a
family of devices or each specific device having its own custom
correction). Also wondering if the LED source used in newer
spectrophotometers (Isis, Munki) are close to illuminant A or has it's
own spectral output that is then correlated to D50 (I'm guessing the
latter)? Since there is no true D50 illuminant in a spectrophotometer,
would anyone have an opinion as to whether LED technology could in the
future be used to more closely emulate D50 both in the visible and UV
portions of the spectrum?
Mike
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