Nitecore D20: Strong With the Force
The Nitecore D20 gives great pride of ownership. There are many great multi-mode lights out there that can do what the D20 does and, depending on criteria, do it better. But the design is sound, accomplishing a wide variety of lighting tasks with style and an innovative UI. The quality level is high and its lighsaber-like construction would make a Jedi proud. Hard grey anodizing, tough glass lens, a strong (and deep carrying!) pocket clip, demonstrated waterproofness at depth (officially meeting the IPX-8 standard), toughness and durability, included accessories (o-rings, spare clip screws, 550 cord lanyard), and a very cool presentation box are some of the hallmarks of this Nitecore quality. Like other Nitecore lights, the D20 uses its proprietary Piston Drive (PD) actuation system and pulse wave modulation (PWM) to turn on and regulate output levels. A thin metal sleeve rides within the lights housing to accomplish this to complete the turn-on circuit. Turning the light on takes a bit more force than some other designs but Nitecore says this system has the advantage of very low current drain in the OFF mode. This helps preserve power cells in storage (big advantage of the design I say). Shown and reviewed are both the Nitecore D20 Q5 and the R2 version with max stated illumination levels of 180 and 200 lumens respectively. The R2 LED version is preferred for this somewhat higher brightness level and, for me, a cooler-appearing beam output. Also the R2 version corrects a ...
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