Lens categories and light transmission:
S-131F: cat.2 – average sunlight – 18%-43% and cat.3 – strong sunlight – 8%-18%.
- hinge to hinge: 130mm
- vert. dimension: 38mm
- temple length: 125mm
Weight: ca 30g
PHOTOCHROMIC LENSES Photochromic lenses darken when exposed to UV light and gradually return to the original state once the light is reduced. They protect the eyes in a wide variety of lighting conditions. In addition, photochromic lenses provide 100% protection from harmful solar radiation.
UV 400 PROTECTION UV 400 treatment blocks all three ranges of ultraviolet radiation: UVA, UVB and UVC and protects the human eye 100% from harmful effects of the sun rays.
Lenses: photochromic with polarized filter; darken from category 2 to 3
Frame: grilamid TR90
UV 400 protection
Lightweigth frame, Perfect fit