N=1.60 organic optical lens Technical data Material: polyurethane's Remark: Spheric Nd: 1.600 Ne: 1.603 Curve variation factor:0.87 Abbe Value:36 Specific Gravity:1.3 P%: 5.3 Diameter: 70mm Treatment:hard coated & multi-coated Supply range N=1.60 organic finished optical lens 70mm Minus power sphere: 0.00 ~ 10.00 Cylinder: 0.00/-2.00 ~ -8.00/-2.00