
Originally Posted by
Byron
A metal bezel will indeed conduct heat away from the LED better. As you observe, this is why SF uses one on their G2L. Interestingly, their G2L also offers thermal regulation so as the circuitry decides that the LED is getting too warm, it will decrease brightness on you. Some like this feature, some do not (personal preference).
As for the shock isolated bezel, I will have to dig mine out of the pile at home to see. If I recall correctly, even though it's a metal head, there is less of a 'solid' metal to metal contact between the lamp assembly and the shock iso bezel than a standard bezel. I could be making that up in my head though.
Even with a metal head though, I would still caution against the standard M60 Malkoff in a plastic bodied light. Even with the metal head, the heat still gets more trapped since it won't transfer to the plastic body well.
An all metal light pulls heat from the LED to the head, to the body of the light, and then into your hand. Believe it or not, your own hand (including your circulatory system) acts as a heatsink / cooling system for a hand held light. To see what I mean you can turn on two identical lights for a period of time. Hold one and leave the other sitting on a table. In my experience, the one sitting will be significantly warmer because it doesn't have the possibility to transfer heat to your hand and through your circulatory system.
Of course, with all that said, I do have one G2 that runs the Malkoff M60 (rather than the M60L). I just don't use it for extended periods of time. Malkoff warns that the M60 shouldn't be used in an all-plastic light for more than 15 minutes. With a metal head on a plastic body, you could probably get a few more minutes, but I wouldn't push it far past that. If you are only using bursts of light for brief periods, then that's no problem. If you want something to really walk around with for extended periods, I'd suggest the M60L which is still very bright and has no disclaimer on extended use in plastic lights.
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