Convoy S21D w/ legendary Nichia 219b. Review & comparison w/ Nichia 519a, B35AM, FFL351A Rosy & other famous high-CRI LEDs. (Summary & measurements on P. 1) ALERT - Convoy M21H is here: The Emperor has NEW CLOTHES. 👍

Here are all 6 optics together. Although I ended up staying with the same 12 degree TIR optics that Simon had installed in my flashlight, it was not money wasted. The 24° and 36° have better rosy tint (but worse throw) and should be good for when the rosy itch comes calling.

Throw for 36° TIR is 114m, versus 175m for the 12°.

I’ve also noted the tint change is very obvious in my laptop with OLED screen, but not in another laptop with (lousy) IPS screen.

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