6. Polarization and protection of the sunglasses

6. Polarization and protection of the sunglasses
Courtesy: Pinterest

 

As pointed out by the specialist in optics at the Universidad Complutense de Madrid, Ricardo Bernárdez Vilaboa “the level of protection depends on the category of the filter that appears with a number on the rod of the glasses inside a circle. The numbering is from 1 to 5 and accompanies as an information note to any sunglasses. The number indicates the recommended use from light attenuation (1) to exceptional luminosity (5) “.

Pages: 1 2 3 4 5 6 7

GeekyBar covers entertainment, celebrity and streaming news for readers in India and worldwide.