1.499 CR-39 FLAT TOP BIFOCAL SF LENS
USD $2.2 - $3 /Pair
Min.Order:3000 Pairs
Danyang Kangju Optical Glasses Co., Ltd.
1) Material: CR-39 ( Round shape bifocal lenses)
2) Refraction Index Nd= 1.499
3) Abbe Value: 58
4) Diameter: 70/28 mm
5) Coating: WHITE, HMC+EMI are available