[argyllcms] Re: Using an i1 to measure FWA content?
- From: Martin Weberg <martin.weberg@xxxxxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Mon, 8 Feb 2010 12:01:07 +0100
2010/2/8 Graeme Gill <graeme@xxxxxxxxxxxxx>:
> Martin Weberg wrote:
>> UV filtered readings having higher response below ~420nm. How is that?
>
> It's hard to know, but the UV filter case has a dilemma - you don't
> want to illuminate bellow 420 nm, but how do you measure reflectance
> below 420 nm ?
I guess there's no possibility for energy entering at >400nm and
exciting at <400nm? However, if the UV filter goes two ways it
wouldn't matter, no readings below 400nm.
Martin Weberg
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