1) Round-shape bifocal lenses

2) Nd=1.56                 

3) Dia: 70/28mm

4) Abbe value: 38

5) Specific gravity: 1.28
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
9) HMC EMI , hydrophobic coating available