The CR39 laser safety lens have a polycarbonate clear lens filter that provides laser protection. These laser lens have visible light transmission of 85%. In addition, the CR39 laser safety lens have ANSI Z87.1 and ANSI Z136.1 safety standards.
OD @ WAVELENGTH :
OD 7+ @190-340nm OD 7+ @2760-3470nm OD 7+ @5000-11000nm