(CE) cr39 bifocal lens made in china

round top /  flat top/ blended top bifocal

1) Refraction Index Nd= 1.499/1.56

2) Abbe Value:  38

3) Specific Gravity: 1.28

4) Diameter: 65/28, 70/28,70/26, 70/24mm.70/25mm

5) Coating: HC,HMC+EMI

6) HMC+EMI coating and UV protection are available

7) Package: white envelopes  or as customers' requirement

8) White and photogray, photobrown.                          

9) Power ranges: (0.00~-2.00)ADD:(+1.00~+3.00)

                               (0.00~+3.00)ADD:(+1.00~+3.00)

10) Semi-finished lens:BASE 200/400/600/800