Description Technical parameters of EP- 1A laser protective glasses and applicable lasers: Protective band nm: 190,540,800-1700. Optical density: 0D=4-5. Suitable for laser and wavelength: Quadruple frequency Nd: YAG laser 266nm 0D=5. Ar ion laser 488-514. 5nm 0D=5. Excimer laser He-Cd 441s. 6nm 0D=5. Frequency doubling Nd: YAG laser 532nm 0D=4. Ion laser 514nm 0D=5. YAG laser 1064nm 0D=5. Semiconductor laser (diode laser) 980,1510, 1530, 1610nm 0D=5. At the same time, it has a good shield against the dazzling white light produced in the laser operation. PACKAGE:1*EP-1-10 Eagle Pair 190-540mm&800-1700nm OD5+ Wide-spectrum Laser Protective Glasses