Stationery Station Protection Goggles Laser Safety Glasses Green Blue With Velvet Box
Designed for perfect fit. High quality 100% brand new. A necessary accessory to protect your eyes from laser exposure, provides full protection for your eyes from green laser, portable and comfortable to wear. Protection Wavelength: from 190nm to 540nm. Visible Light Transmittance: >55%. Protection Features: All-round absorption. Attenuation: (10-6 < N% < 10-4). Optical Density: > 5.0, (OD +5, OD +6). Size: Approx 15 x 5.5 x 5.5 cm. The length of temple is adjustable (3.6 - 4.5 inch/9 - 11.4cm).