[Sofirn headlamp]SP40 was added 3000K and 4000k color now

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I measured mine, but it’s not the 4000K version. It’s from when they first released the SP40 and the CCT seemed around 5000K.

My lumen measurements are not calibrated and as such are probably slightly generous. But even so, I measured around 1200 lumens at startup using a 35E. Perhaps the 4000K is a lower bin. Or perhaps the battery being used had an effect?

Sofirn SP40 Headlamp

I was kindly offered the new Sofirn SP40 for review. I thank Sofirn for providing the light, and I promise to keep things honest and fair. The SP40 is a brand new headlamp by Sofirn. This is their first “from the ground up” headlamp, and they did very well! What I Like: Bright, around 1233 lumens in turbo at turn-on Neutral Cree XP-L LED: no Cree rainbow like from the recent flip-chips, and it even seems slightly warmer than my other Sofirns. It seems right around 5000K if I had to guess E…