CR-39 1.499 Plastic Resin Single Vision Optical Lenses

1) Refractive index: 1.499
2) Abbe value: 58
3) Specific gravity: 1.32
4) Raw materials are imported: CR39 PPG
5) Up-to-date surface curvature design, slim and thin
6) Diameters: 50mm, 55mm, 60mm, 65mm, 70mm
7) Power range:
For 50mm, 55mm and 60mm:
a) Sph: Plano ~ +8.00 / Cyl: -0.25 ~ -2.00
b) RX power: Cyl: -2.25 up to -4.00, -4.25 up to -6.00
For 65mm and 70mm:
a) Sph: Plano ~ -6.00 / Cyl: -0.25 ~ -2.00
b) Sph: +0.25 ~ +6.00 / Cyl: -0.25 ~ -2.00
c) RX power: Cyl: -2.25 up to -4.00, -4.25 up to -6.00
8) Available for uncoated(UC), hard-coated(HC), hard coating-tintable (HCT),
hard-multi coating (HMC)(AR-Coating) and EMI processing.
9) Semi-finished lenses:
Base: 2.00, 4.00, 6.00, 8.00
Skype: clearoptical