... UC HC HMC EMI avaliable Flat Top Bifocal Lens Index: 1.499 1.56 1.60 Diameter: ... 35 75/35mm finished & semi finishedAs the largest lens manufacturer in China, Wan Xin Optical is the only ... are No. 1 in terms of exporting lens quantity in China. We can always make sure ... polarized(Grey, Brown and G-15), polycarbonate, tinted, RX lens(uncoated, hard coated, HMC, EMI, Super Hydrophobic) including free ...