Red Vs Green filter map legibility comparison
Nitecore 25mm filters on a Streamlight 2L-X (w/usb rechargable battery) on low, which is 40 lumens.
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4 replies
green works better than red for reading, no doubt...
green works better than red for seeing anything: trees, trails, animals, maps, compass...
there are trade offs...
green attracts more mosquitoes than red
green interferes with sleep hormones, red does not
the argument that green can be dimmer than red is true, but green is not politically correct for group stargazing, Red is Required
That tracks. Interesting stargazing rule since one of the most interesting articles I found came from that circle here's the link to it
yes, green has become more popular with the military also, but its not because it is more stealthy.. Night vision equipment uses red light sensors, and it over reacts to red lights. otoh, Night vision equipment does not have a problem with Green lights.
Submarines use Red Light to maintain Dark Adapted vision in case crew needs to look through the periscope into the dark of night.