1) CR-39 lenses 2) Nd=1.499 3) Dia: 55-70mm 4) Abbe value: 58 5) Specific gravity: 1.32

1) Product Name: CR-39  lenses

2) High scratch resistance

3) New design, slim and thin

4) UC,HC, HMC EMI , hydrophobic coating available

5) Tintable to various fashionable colors

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

7) Semi-finished or finished are available

8) Package: white envelopes or as customers' requirement

CR-391.499 index single vision resin lenses