I picked up these 2 lights at Target. About the old Radiant version, you can tell the donut reflectors obviously because if you look into the reflector straight on, you can see a hole in the reflection of the Luxeon's phosphor. I checked the reflectors before I bought them and there was no appearance of a hole. Took them home and tried them. Impressive. Perfect beam with a tight, bright, circular hotspot and wide spillbeam. The C model has even more throw and total brightness than the AA, but not much more really. C model's tint is very white leaning slightly to blue, bought two of the AA models, both exhibit similar beams but one is a pure daylight white and one has a nitpickingly small tinge of violet. Total output of both AA's seems to be exactly the same, and similar to the SL JR Lux older model with the JR having a *slight* edge. Heatsink design is VERY nice, combination of metal to air contact heatsink, and light polycarbonate body should make for decent durability and great longevity . Pretty good light for the money IMO.
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