Join Date: Aug 2006
Location: Christchurch, New Zealand
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IMHO, I think you guys are battling over noise.
Noise adds from all sources and measurement devices, this includes the sensitivity of the probe, coupled with the repeatability of the probe, then same repeatability of the source light( arguably the weakest link), then background interference of the environment. This is all something Derek was pointing out in testing methods.
The 100 or 75% argument is more likely a misnomer due to greater varibility in the components of the setup. In other words, I don't think it matters which you use, or it depends on the display in question.
Infact all you can see in the above examples is proof that the i1pro is still the slightly better "One probe to have, if you had only one".
The D3 and C6 variants have just really caught up to the i1pro in overal ability for price point and market they are designed for.
Also have at my desposal, 2* Trios UV spectros, a varian Cary190~1100 0.5nm spectro, Acoustic gas analyser, 2*Acoustic doppler flow measurement devices, piles moisture variants, hundreds of temp probes all sorts of weather measuing devices.The hi end spectros require factory calibrations, but we house calibrate standards to specifics needs, all the others we calibrate everything. All produce mind numbing amounts of data.
Anywhoo, for the D3 and i1pro you have 2 devices which arguably report reasonbly close to the same result, without profiling. However like the saying "Horses for courses", this 2 horse race is based on 2 different technologies to do the same job and like horses for courses, choosing the right horse can matter.
For me, the hit power for buck, the D3 wins, for Speed, arguably the D3 wins, but I don't find my i1pro that slow so I'd say D3 by a nose, for accuracy the i1pro wins, for flexibilty over many display types, the i1pro wins.
overal whos wins, well Xrite for producing 2 great tools for you to argue over which is better.
I1pro by a nose.
Masterpiece Calibration Ltd