FRIDAY NIGHT LIGHTS: Steiner PVS-21 Low Profile Night Vision Goggles (LPNVG)
By Nicholas C
When you think of NODs (Night Observing Device) you think of a short tube that sticks out about 4.5″ from your face. In most cases they are like a scope, light enters in through the objective lens and in a straight line, shines out the back through the eyepiece and out the eyepiece into your […]
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Source:: The Firearm Blog
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