CR-39 1.499 Lenticular Lenses 1) Nd= 1.499 2) Power range: Sph: + 6.50 ~ + 20.00 Cyl: 0.00 ~ -4.00 3) Diameters: 65/ 40mm, 68/ 40mm 4) Normal lenticular and omega lenticular available Skype: clearoptical