Sell kangju optical lenses ★ kangju plastic lenses →cr39 1.499 flat-top bifocal @China (Mainland)

Material: CR-39 PPG
Refraction index Nd=1.499                 
Diameter: 70/28mm
Abbe value: 58
Specific gravity: 1.32
High scratch resistance
New design, slim and thin
HC, HMC coating available
Tintable to various fashionable colors

Post by KANG JU    Timepieces, Jewelry, Eyewear    @2012-12-12 07:36:10