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Product Description
Refractive index 1.499 | Diameter 55/65/70mm | Monomer CR39 |
Transmission >97% | Abbe value 58 | Specific gravity 1.32 |
Coating Hard Coating | Guarantee 3~5 years | Power range SPH: 0.00~+-15.00 CYL: 0.00~-6.00 |
Product Features
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.
Coating Choice
A bunch sets of modern machines will make sure good quality of our coating progress. Just tell us your requirement of the lenses, we can produce the product for you.
Depending on the layers of coating, lenses differ in functionality. Coating consists of much technicality as much as lenses do, here is 'how lens coating works' for your reference. |  |
Different functions of professional coating
Theses coatings can solve the damage to lenses during daily life.
Hard Coating
The uncoated lenses are easily subjicted and exposed to scrat ches, thanks for hard coating, the lenses can effectly scratch resistance | AR Coating / Hard Multi Coated
AR coating also called hard multi coating just means coat an anti-reflective film on the hard coating. It can perfectly reduce light reflection and glare, enhance functional and charity of your vision. |
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