1) 1.499 plano polarized lenses: a) Round(complete film), Square(half film) b) Diameter: 68mm/70mm/75mm c) Center thickness: 2.0mm - 2.2mm or according to the requirements d) Base Curve: 400, 600, 800 2) 1.499 polarized single vision finished lenses: a) Diameter: 65mm/70mm b) Power range: SPH: 0.00~ -6.00/CYL: 0.00~ -2.00 SPH: 0.00~ +6.00/CYL: 0.00~ -2.00 3)1.499 polarized single vision semi-finished lenses a) Center thickness: 12mm or according to the requirements b) Base curve: 200, 400, 600, 800 4) Colors available in G15, brown and grey (not only the polarized film color. tinted the front of CR-39 lenses) Skype: clearoptical