1pc 638nm 650nm 660nm red laser protection safety glass safety glasses

Parameters:

Protective wavelength: 650nm 660nm

Protection features: All-around absorption

Visible light transmission:> 55%

Optical density:> 3.0, (OD +3)

Attenuation: (10-6 <N% <10-4) Features.

Laser light is harmful to human eyes, please choose these safety glasses to protect your eyes!

Normal sunglasses have no effect, but laser safety glasses can reflect 55% of the light.

Package:

1pc 638nm 650nm 660nm red laser protection safety glass safety glasses