"SUPER THROWERS": $60 4750lm Wurkkos TS30S + SBT90.2 monster w/ 1KM throw. Versus other throwy bad boys: TS30S Pro, Firefly T9R w/ FFL909MX. Latest and incredibly đź‘Ť : Convoy M21E with SFT-25R 5000k, a unicorn LED. (Summary p1))

LED Flashlights – General Info 21700 Flashlights
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Thanks. I googled :slight_smile: and found a discussion on corona here Some noob flashaholic question about the flashlight's beam anatomy, which refers to this LED optics in Flashlight, which re-states what you’ve been discussing.

Here are the 2 slides on corona (“coma” on the slide):

"TINT-SNOB LIGHTS": Convoy S21D & M21H w/ legendary Nichia 219b sw45k. Versus: Firefly Rosy FFL351A, Nichia 519a, B35AM, etc. (Summary p1) LATEST: DA1K w/ beautiful Rosy :+1: NTG50 4200k & Lume X1 (Test: Duv -0.0095, 2700 lm)