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Stupid question here:
IR for NVG use is to prevent those without NVGs from seeing the designator, I get that.
Why not just run an extremely low power visible laser? Something which is virtually undetectable with the naked eye but obviously quite bright with NVGs? My experience (PVS-7) is that LEDs which are nearly invisible to the naked eye (even after good adaption) shine like crazy with the NVGs.
Obviously not useful for the extended engagement ranges of real-steel weapons, but useful for airsoft purposes.
-Grant
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