Longest Throw (600m) for the Price? Convoy S8 (8A) Review!

LED Flashlights – General Info
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Put matchbox 600m away, illuminate it from 600m and make a picture of that object. Thanks.

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600m is ANSI, what means after 30s an object is illuminated by 0.5 lumens at X meters.
Take the candela, multiply by 4 and take the square root.