I'm not using it for copying rather for looking at chromes. Curious about the different readings. I imagine that's probably because there are dozens of LED's that make up the whole panel. So you can get various light outputs making up for the differences across the pad. A copying light probably had one or two lights thru a diffuser that evens out the light so it's spread better over the whole pad. Has anyone actually measure it like I just did to see whether or not the color and Kelvin is consistent?
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