) ND: 1.56

2) 35% thinner than CR-39 lens slim and thin

3) Hi-impact resistance, hi-scratch resistance

4) ABBE value: 385) HMC and HMC+EMI coating available in greenish and bluish colors; various fashionable colors available

5) Diameter: 65mm for plus power and 70mm for minus powe

6) Range of power: a) Sph: plano ~ -10.00

b) Sph: plano ~ -8.00/C: -0.25 ~ -2.00

c) S: +0.25 ~ +6.00/C: 0-0.25 ~ -2.00

d) RX powers: plano ~ -6.00/-2.25 ~ -4.0, G: +0.25 ~ +4.00/-2.25 ~ -4.0

7) HC, HMC, EMI, UVA

9) Spherical and aspherical design10) Tinted coating (purple, blue, green, orange, grey and brown)

10) Available for uncoated, hard-coating

11)registered with FDA and CE

12)envelop desine can be used your logo if more than 5000pairs for one order.