Product Name:1.49/1.56/1.60/1.67 S/F Single Vision Lens Material:CR39/NK55/MR-8/MR-7 Index:1.499/1.553/1.598/1.665 Diameter:70/75mm Available Base:Plano~10.00 Abbe Value: 58/35/32 Coating: HC/HCT/HMC+EMI/SHMC Design: ASPH/SPH Color:Clear Transmittance:Over 93%/Over 96.5%/Over 97% Coating Color:Green,Blue