lens spare FORCE AMBIENT, photochromic

photochromic polycarbonate lens, UV 400
filter category 0-3, transmittance 15-64%
ANTI-FOG + ANTI-SCRATCH treatment
photochromic lens – darken and lighten depending on
the intensity of ultraviolet radiation (at a higher incidence of light the lenses darken a
inverted at lower light intensity automatically lighten)
packed in polybag