That is correct. The best policy is to avoid optically-brightened paper altogether, when possible. / Roger From: argyllcms-bounce@xxxxxxxxxxxxx [mailto:argyllcms-bounce@xxxxxxxxxxxxx] On Behalf Of ???? ???? Sent: February-01-12 7:00 AM To: argyllcms@xxxxxxxxxxxxx Subject: [argyllcms] Re: Spectrophotometer 2012/2/1 Graeme Gill <graeme@xxxxxxxxxxxxx> The Munki only does UV cut, Sorry for maybe stupid question, but I don't understand why UV filter is needed in some cases in reflective media spectro measurement. When you measure fluorescent paper with UV cut instrument, results will be only acceptable in non-UV lighting conditions during viewing of that paper?