Specifications

1) 1.56 progressive lenses
2) Material:NK-55
3) Nd=1.56
4) Dia: 70/75mm
5) Corridor: Short & Regular

1) Product Name: 1.56 progressive lenses

2) Abbe value: 38

3) Specific gravity: 1.28

4) High scratch resistance

5) 35% thinner than CR-39 lens

6) HMC+EMI coating and Uv protection

7) Tintable to various fashionable colors

8) Products are passed the high test of CE and ISO

9) Semi-finished or finished are available

10) Package: white envelopes or as customers' requirement