Originally Posted by daMaster
So now that it's been out for over a year can anyone tell me whether or not the D3 "drifts"? I have an old i1 Display LT which has drifted and is no longer a good option for display calibration. I'm thinking of spending $230 for the D3 or more for a spectro to "correct" my Display LT.
As AV_Mike mentioned, really the only way to know how much it has drifted is to compare against a known accurate reference device (something that is likely NIST certified). You can't take a new D3, calibrate your display, and then recheck in a year and assume that any change is due to the display drifting. Some part of the change will be be due to the colorimeter drifting as well.
Not sure if Tom has any examples of this as the D3 is still reasonably new and (generally speaking) very few people actually send meters in with any sort of frequency or consistency to have them recalibrated. What happens more often than not is by the time the home user thinks it's time to get their meter recal'ed, they end up buying whatever is the newest technology (ie: upgrading from a D2/LT to the D3).
In the mean time, stick that colorimeter in a freezer ziplock with a few desiccant packs and you'll extend its life.