Aogang CR-39 lenses use the material imported from Japan, the longest history of resin material. This determines that Aogang CR-39 lenses have the most outstanding optical features:
1). The best among other index lenses in hardness and toughness, high impact resistance.
2). The most easily tinted than 1.56, 1.61, 1.67, 1.74 and 1.59 polycarbonate lenses.
3). The highest transmittance as compared with 1.56, 1.61, 1.67, 1.74 lenses.
4). The highest ABBE value providing the most comfortable visual experience.
5). The most reliable and consistent lens product physically and optically.
6). The most popular in the middle level countries.