This kind of glasses can protect from the laser of 2700-3000nm,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.

Specification:

Typical for: 2940nm

Transmittance: 80%
O.D6+ @ 2700 - 3000nm

L-Rating: 2940nm DI LB3

Protect Wavelength: 2700 - 3000nm

Available: 2780nm, 2940nm etc.,

Application: Er Laser Protection

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.