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+ plus ANSI Z136.1 safety standards.
OD @ WAVELENGTH :
OD 3+ @804-1300nm OD 5+ @1064nm OD 4+ @1300-1700nm OD 2+ @1700-1900nm