CR39 1.499 Polarized Lens suitable for sunlight,beach and snow good price & quality,many colors available,quick delivery 1)(70mm,75mm,80mm ) Base: 6.00,8.002)( gray brown purple pink blue yellow) with solid color and gradient color3)De-centered4)Power range: (0. 00 ~ -6. 00 / -2. 00) with HC,HMC(AR)5)Semi-finished lensesBASE: 6.00, 8.006)Coating Features:Uncoated, Hard Coated,Hard Multi Coated & ...