The SOG A-37 in black: 1320 lumens, a stated beam distance of 652 meters, seven modes, and a stated runtime of up to 220 hours depending which mode you live in.
That beam distance is the number worth staring at. Six hundred and fifty-two meters from 1320 lumens is a remarkable ratio — there are lights on this shelf with four times the output that reach half as far. All of that comes from the reflector, not the emitter, and it is the single best argument for reading past the lumen figure on the front of the box.
Seven modes is more than most people will ever use. In practice almost everyone settles on two: a low they leave it in, and a high they reach for. The rest are there for the specification sheet.
- Flashlight, 1320 lumens
- 652 meter beam distance
- Seven modes, up to 220 hours runtime
- Black
- SOG A-37
Long reach and long runtime in one light. If you glass a slope at last light and then have to walk out of it, this is the combination that matters.

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