I think the SST-90 & 50 should be there, since they are still valid leds and still used. Probably the MC-E as well, but less so, since it's about dead.
Killer info, Scaru. But I would put an addendum on the SST-50 entry. I have watched my chief of police buddy in Virginia show off his, and without a doubt, most of his 800 lumen+ SST-50s died — all except one. Selfbuilt (I think) reviewed the M31 Triton and called it the brightest SST-50 made. I have searched far and wide and what I found seems to confirm what our own 2100 said about this emitter: that on paper it does well, but not in real life. I have yet to see one of these really excel, and doing so would require a chunk of an engine block for heatsinking and active cooling like in the Microfire Pioneer II version…
I guess it is little wonder why Olight opted for the SR51 (a U2 XM-L) over SR50, knowing this.
To get a high-CRI LED generally requires an increase the the red part of the spectrum. Rather than tweak the phosphor mix to get the red boost by converting more blue light to red, most makers seem to be adding a material to the phosphor layer that filters out part the non-red part of the light. That is why high-CRI LEDs are not as efficient as normal ones.
" If several phosphor layers of distinct colors are applied, the emitted spectrum is broadened, effectively raising the color rendering index (CRI) value of a given LED."
Or does that simply mean that is one way of doing it?