1) High quality 2) Reasonable prices Features:1) Hi-impact resistance, Hi-scratch resistance2) Diameter: 65mm for plus power, 70mm for minus power3) HC, HMC, EMI4) UV 380, UV4005) Power range: a) Sph: Plano - -10.00 b) Sph: Plano - -8.00 / C: -0.25 - -2.00 c) S: +0.25 - +6.00 / C: 0 + 0.25 - +2.00 d) RX power: Plano - -6.00 / -2.25 - -4.00, C: +0.25 - +4.00 / -2.25 - -4.00