Features
1.56 HMC lens is 1.56 in refraction index and are manufactured thinnest. They are so high invisible-ray transmittance as to decrease eye fatigue and protect your eyes from each kind of eye disease by completely screening the ultraviolet rays.
Specification
| Refractive index |
1.56 |
|
Abbe Value |
38 |
|
Specific gravity |
1.28 |
|
Transmittance(%) |
98~99% |
|
Ultraviolet screening(%) |
99 |
|
Abrasion resistance(H) |
6~8 |
|
Coating |
E.M.I & UV400, Hard, Multi, Water Repellent |
|
Multi color |
Green, Gold, Blue |
|
Materials |
NK-55 |
|
Diameter |
65 / 70mm |
