Safety Glasses for Voilet Blue Green Red Laser Diode

Parameters:
There are 4 types of glasses
Protection wavelength range:
405nm-450nm Violet/Blue
510nm-532nm Green
510nm-660nm Green/Red

Protection features:all-round absorption
Visible light transmittance:>55%
Optical Density:> 3.0, (OD +3)
Attenuation:(10-6