Speras M4 Beamshots: My favorite TIR thrower with smooth beam

2 years ago

I measured 111,975cd (669m throw), 4356K using my Opple Light Master Pro @ 5m distance, using the stock battery. Impressive for a 7.7cm light! More colour measurements, Duv, CRI here: https://darrenyeo.com/speras-m4-review/

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