There is an ongoing debate in flashlight circles over whether red light is actually useful for protecting night vision these days when have lights that can produce sub 1 lumen output for reading maps without any red information washed out.
If was serious about red light think would just get a dedicated red light. Like the Zebralight H502pr, or Exposure Lights XS-Red.
I can confidently say that the 0.8 lumen red secondary LED on the EC11 as far better at preserving night vision than the 1 lumen mode on the primary white LED. And reading maps isn't the only thing I want to be able to do in the dark without ruining night adaptation.
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