The ARD laser safety lens have a polycarbonate red lens filter that provides laser protection. These laser lens have visible light transmission of 14%. In addition, the ARD laser safety lens have ANSI Z87.1 and ANSI Z136.1 safety standards.
OD @ WAVELENGTH :
OD 4+ @413-569nm OD 5+ @478-519nm OD 5+ @532-538nm OD 5+ @541-567nm