Compatible with 275nm, 365nm, 405nm, 445nm, 450nm laser light
Wavelength: 190nm-490nm . Optical density: OD 4+ - OD 6+ . Visible light transmittance: 55% Safety glasses for violet and blue laser exposure. EN207: 1998 + A1: 2002 approved (European laser eyewear standards for laser safety eyewear). Delicate and cool appearance. Comfortable to wear. Absorption type full protection for your eyes.