2011 Beijing Eyewear Fair NO.8 Hall----8811/8812
1.material: CR-39
2.index:1.67
3.dia:75/70mm
4.coating:HC HMC
5.vision effect:single vision
6.power range: sphere 0.00~6.00 cyl 0.00~6.00
CR-39 1.67 HMC optical lens
