There is a sequel to the table above (here).
An instructive line item in the second table is the one with diffuser - seems as uncertain as the others.
Would anyone know if Wormminator from reddit is among us here?
If I didn’t mess up the transcription, it looks like this:
One way to think about it is that normally a single measurement using one of these or similar instruments and methods (for a single LED+optics) is all that we know.
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This is why Simon should be providing the DUV with pro equipment of the bins he’s selling, not doing so leaves everyone in the dark. Pretty strange thing to not want to go to the effort when he invested so much in the F45R and F150R. It puts me in a difficult position as to what I’m to say in my reviews. Can we expect the majority to have a negative duv, or is it a tint lottery where every purchase will be vastly different?
Or is duv something I shouldn’t really touch on for long range throwers?
Another way to think about it is that if I pick a flashlight at random and give it to twin reviewers to measure Duv using a random instrument, they are quite likely to report that this identical light differs by 3 or more mduv. Possibly more if not identical twins…
My take is that any pair of prosumer Duv measurements, by two reviewers or even the same one, that differ by any less than 3-6 mduv (depending on how sure you want to feel about it) is best to be ignored and pronounced indistinguishable.
And on a different comparative dataset from this video.
In conclusion, here is the winning instrument/methodology for tint/Duv assessment.
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