1) Product Name: 1.499 UC lenses
2) Material:CR-39 PPG
3) Refraction index: Nd=1.499
4) Diameter:55/70mm
5) Abbe Value :58
6) Specific gravity: 1.32
7) HMC+EMI coating and UV protection are available
8) Package:white envelopes or as customers' requirement
9) Semi-finished or finished are available