Lumaray, not luminary. And some of the reviews I've read are not kind. Apparently the weight of anything bigger that perhaps a 520 is too much for the quarter-turn mount inside the Lumaray, so this can happen:
That's a big red flag for me. Which is a bummer, as I like Fabric products, and the light is attractive. I'm shopping for a dedicated be-seen front light with battery life beyond a couple of hours.