Noir Laser Eyewear for ND:Yag, Alexandrite and 810 Diode Lasers, Frame Style 38Polycarbonate filters offer an optimal balance between protection and visibility with a lightweight and cost effective solution for an extensive range of laser systems. LaserShield goggles are hardcoated with laser protection and absorptive dyes molded into the plastic. Goggles and frames are CE certified meeting the EN27 EN28 standards Wavelength: 180 400 nm with OD 6+; 720 1090 nm with OD 5+; 750 1064 nm with OD 7+ Light transmittance 25% Amber