optical lens 1.Dia: 65mm/70mm/72mm 2.Power Scope: SPH:0.00~8.00,CYL:0.25~2.00 SPH:0.00~8.00,CYL:2.25~4.00 INDEX: 1.56 1.1.56 optical lens2.Diameter: 65mm/70mm/72mm3.Power Scope: SPH:0.00~8.00,CYL:0.25~2.00, SPH:0.00~8.00,CYL:2.25~4.004.Coating: Uncoated, Hard Coated, Super-hard Coated, HMC,HMC EMI+UV4005.Certification: ISO 9001:2000, CE, FDA6.Outer packing: Carton