Hardware, Identify Approprate Specification and Measure of Brightness for Krake Lights (LEDs)

[ForrestErickson]

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I'm always frustrated when trying to understand measurements of brightness of light sources.

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Brightness of LEDs are specified and perhaps we can / should simply use that specification, adjuseted for the typical current of the Krake.

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Here is an AI explination:

Here is a resource, video, with an explanation of some of the units and vocabular of light measurement.

Bottom line to measure a light source, not the light that falls on a surface but the light source a "Luminance Meter" is the instrument.