CR39 1.499 Non-coating Flat Top Bifocal Spectacle Lenses For Far And Near Vision I. Specification: Index 1.499 Diameter 70mm Monomer CR39 Abbe Value ....
Uncoated 1.499 Flat-top UC Prescription Eyeglass Lenses For Far And Near Vision I. Specifications Production 1.499 FT-28 UC Monomer CR39 Diameter 70MM ...
1.56 Flat-top Bifocal AR Coating Semi Finished Lens Blanks For Near And Far Vision I. Technical Data: 1.56 Semi Finished Flat Top Bifocal Lens Blanks ...