Alexander, regards tracking scopes, I wonder if there would be virtue in a program change for them if you are hunting stuff at the edge of perception. Introduce a random "Jitter" into the tracking to keep faint objects moving around a little.
Regards red lights, I have an LED Maglite with as many layers of red gel in the lens as I could cram in. it is dim enough to comfortably look directly at the LED with reasonable dark adaptation.
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