1.56 Photochromic Single Vision Lenses

1) Nd: 1.56
2) Abbe value: 38
3) Specific Gravity: 1.28
4) Density: 1.14g/cm3
5) Available color: photobrown, photogrey
6) Diameter: 65mm, 70mm
7) Power range:
SPH: 0.00 ~ +6.00 / CYL: -0.25 ~ -2.00
SPH: 0.00 ~ -8.00 / CYL: -0.25 ~ -2.00
8) Features:
a) Color changing with in few seconds between outdoor and indoor, fast dark, fast clear
b) Color darkening concentration reach 70% for Photo grey and Photo brown
c) High original transmission, high rate of darkening in the sun, High rate of fading out of the sun
d) 100% intercept to uv400nm ray
9) Semi-finished lenses
Base: 2.00, 4.00, 6.00, 8.00
Skype: clearoptical