CR-39 1.56 optical lens/glasses lens

CR-39 1.56 optical lens/glasses lens 1) Specifications: * Index: 1.56 * Specific gravity: 1.16 * Abbe value: 44 * Coating color: Kelly (yellow-green) * Coating: super hydrophobic * Dia: 65mm, 70mm * Transmission: above 97.8%. . Diameter : 70mm, 65mm, 60mm, 55mm, 50mm 2. Power Range ( Express Rx Lab for worldwide ! ) SPH.0.00 -32.00 SPH.0.00 -24.00 & CYL. 0.00 -2.00 SPH.0.00 -24.00 & Hi-CYL. -2.25.00 -4.00 SPH.0.00 -14.00 & Hi-CYL. -4.25 -6.00 SPH. 0.00 +16.00 SPH. 0.00 +16.00 & CYL. 0.00 -2.00 SPH. 0.00 +10.00 & Hi-CYL. -2.25 -4.00 SPH. 0.00 +10.00 & Hi-CYL. -4.25. -6.00 3. Hard Coat / Tintable Hard Coat HMC+EMI Coat = Anti-Reflection with EMI ( green / blue / magenta / gold coating color ) with UV400 ! Super Hydrophobic Coating ! 4. Finished & Semi-finished 1.56 Semi-finished Singe Vision in Diameter 70mm full supply ! 1.56 PhotoGrey/Brown Single Vision supply at bottom prices ! 1.56 Flat-top Bifocal, Blended Bifocal, Progressive Single Vision of CR-39 1.499 and Hi-index 1.61 & 1.67 & 1.74 are produced regularly !