NK55, imported from Japan
The most common materials available for use in lenses used to be glass and a hard resin called CR-39. With the continuous improvement of technology, there are more requirements of CR39(optical/plastic) lenses than glass lenses. We are a manufacturer of optical lens, and in these lenses, 1.56 index lenses are one of the most popular lenses all over the world. Furthermore, lenses with 1.56 index are considered the most cost effective lens on the world market.
Visual Effect: As high index lenses, like 1.59, 1.61, 1.67 and 1.74, 1.56 index lenses have higher ABBE value, that means from the lenses, the wearers can enjoy the more comfortable visual experience.
Green Coating Golden Coating Blue Coating
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.
Hard Coating: To protect the uncoated lenses from scratch resistance.
AR Coating/Hard Multi Coating: To protect the lens effectively from reflection, enhance functional and charity of your vision
Super Hydrophobic Coating/Crazil Coating: To make the lens waterproof, antistatic , anti slip and oil resistance.