Not sure if you’ve ever used a led lenser zoomie, but the one-handed focusing is far superior to any kind of twist focus.
Instantly focus or unfocus the light while you carry or are doing something with your other hand.
Also, your little water bucket test will of course pass, the real test is when you have 1 or 2m of water pressure on top.
We’re not talking about 30m+ diving here, just the kind of pressure you get if it falls in a pool or gets sprayed with a water hose.
Much more pressure than a few centimeters of water in a bucket.
I also put together a C8 with 2mm WF a bit ago using convoy’s configurable linear driver. Did ~180kcd at the max ~7.5A.
As far as centering rings what I have done is just glue the XP or XM centering ring down on the MCPCB in the correct location. I find I can get it nearly perfect just by eye. I have even been known to use double sided tape in a pinch.
Gluing it is better than using the 3030 gasket as it’s not always perfectly centered. Love the centering rings that are cut precisely for the led, not just a circle.
Nice to know. As it happened with my M1 with customized weird ramping firmware driver (current-limited to 5A theoretical by replacing the sense resistor stack), where the effective output current was a bit less at ≈4.75A. I also had to custom file a 3535 gasket back then, and ended up obtaining 101+Kcd on a cold start.
I am to build an M2 now, too. Reflector area wise, the M2 is 81.169% the surface of the M1. So, your build looks to be right as it is.
Are you sure about the reflector size relationship between the m1 and m2? I was always under the impression they were much closer in ID/effective area…
I measure 25.6mm internal diameter for my M2. I believe the M1 is ~1mm larger. So that would mean about ~7% more area. Could you take an internal diameter measurement of the M1 please?
JaredM my calculations are based on reflector surface, which is proportional to r² or d² times height. This is where the 80+ish figure comes from (M2 reflector surface area divided between M1 reflector surface area). Reflector diameter and height figures taken from the Convoy store M1 & M2 reflectors' advertisement.