That is amazing. Did you build this or MrCrouse?
I'm confused about the specs, though. You say 4.0mA, but I'm guessing you mean 4,000mA or 4A? Also, 2,400mW seems very low for an NDB7A75 with a G2 lens. That is around the 1.7A level in DTR's tests. Do you mean 4,200mW? These diodes are capable...