Months ago, I started getting into this hobby after snagging a deal on an x300 turbo and getting blown away by its preformance. Before, the only flashlight I really had was just a Streamlight Microstream, but after seeing the x300T’s beam I couldn’t rest until I knew how it did it in such a small package.

Since then, I have become acquainted with all the enthusiast brands, emitters, and driver types. I had no idea how much of a rabbit hole this hobby would become, I truly was blown away with the complexity that went into flashlights, and love learning more about how they work.

However, I still haven’t been able to answer the original question that brought me here many moons ago, how tf did Surefire do it? Originally suspicions were that it was running an osram CSLNM1, but after getting one in an S6 host, I can tell that simply can’t be. The Surefire emitter is a more neutral white, 5000k-5700k, while the W1 is distinctly blueish, 6500k.

It also looks brighter, but that can be attributed to the Surefire’s larger, optimized reflector vs Simon’s smaller, jack-of-all-emitters reflector (that’s also slightly off center from him recently changing gaskets or something), also the Surefire is setup woth two CR123a batteries side-by-side, so I’m assuming they’re wired in parallel running at 3v FET.

Does anyone know what emitter they are using? It could honestly be using a regulated driver too but I haven’t used it much since getting normal flashlights, so can’t say I’ve noticed the brightness go down. I’d like to mod something like a FW1A to get the same beam profile out of it as this, but am trying to work out the best way to go about it.

by EnvironmentalWar6562

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