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You won’t find a filter that blocks exactly 532nm light and most lasers aren’t that exact, blocking 500-600nm blocks more than a 5th of the visible spectrum and
by dogma1138 5y ago
You won’t find a filter that blocks exactly 532nm light and most lasers aren’t that exact, blocking 500-600nm blocks more than a 5th of the visible spectrum and green is used for signaling specifically for landing, take off and taxi.