I tested for this during the initial beta. Unless your light source is VERY BRIGHT and VERY CLOSE to the target AND the nose cone is NOT FLAT on the target there is no effect. Even then the effect was minimal and I doubt it would have a significant effect on the profile. Regards, Walt >-----Original Message----- >From: MGochnauer [mailto:goch@...] >Sent: Monday, March 13, 2006 10:41 PM >To: colorvision_group@yahoogroups.com >Subject: Re: [colorvision_group] White Nose Cones > >This modification suggests something that has concerned me, but which >I have not carefully tested: > >How sensitive is the reader to ambient light falling on the target? >The instructions say nothing, one way or the other. > >Just to be safe, I have shielded the target from direct lighting (eg >my gooseneck work-desk lamp) when taking readings. Reasonable levels >of direct lighting did not seem to make a difference when I looked at >some of the numbers, but I have not had time to test all of the >target squares for possible variation. > >Myron > > >On Mar 13, 2006, at 9:43 PM, davedoughman wrote: > >> With all the discussion on making the nose cones something other than >> black I went to my garage, found a can of latex white paint and a >> small brush. >> >> My white nose cone does make reading targets very easy! Cost, too >> small to calculate. >> >> >> >> >> >> >> Yahoo! Groups Links >> >> >> >> >> >> > > > > >Yahoo! Groups Links > > > > > > >
Message
Re: [colorvision_group] White Nose Cones
2006-03-14 by Walt Mucha