The D1500 laser safety lens have a polycarbonate green lens filter that provides laser protection. These laser lens have visible light transmission of 16%. In addition, the D1500 laser safety lens have ANSI Z87.1 and ANSI Z136.1 safety standards.
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OD @ WAVELENGTH :
OD 3+ @804-1300nm OD 5+ @1064nm OD 4+ @1300-1700nm OD 2+ @1700-1900nm