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submitted 6 months ago by ludrol@bookwyr.me to c/hopeposting@lemmy.world
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[-] 4am@lemmy.zip 24 points 6 months ago

They even make bright LEDS with 592nm frequency light (the same that sodium vapor bulbs give off).

Such a narrow band was great because it meant your rods did most of the work.

You can literally see better in the orange light.

this post was submitted on 10 Apr 2026
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