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This kind of glasses can protect from the laser of 405nm (blue purple beam) /445nm (blue beam)/532nm (green beam), it wear comfortable, beautiful, safety and reliable. According to the optical characteristics ,a lens cannot protect from multiple color laser at the same time, the user can purchase the laser protective goggles according to their requirements.
1, Wavelength Range of Protective: 190-550nm
2, Protective Features: absorption type, all-around, no direction requirement
3, Transmittance of Visible light: >55%
4, Optical Density: >5.0 (OD+5, OD+6)
5, Damping Decrement: 10-6 < N% < 10-4
6, Packaging: Black Velvet Box
Reminder: Compared to ordinary glasses, the appearance have no difference, the only difference is this glass can protect from laser. There are many kinds of protective goggles in the market ,for your eye health, please go to the professional shop to buy.This glass have tested by the shopkeeper and accord with safety standard.