Nano high definition sunglass lens
Product Description
High definition ⑴ The size of nano metal oxide particle is 20—40nm;however, the visiable light range can be 380—760nm,less than the range , can totally go through the lens linearly. It also has better permeability than the traditional lens. ⑵ the material of lens is CR-39, refractive index is 1.49 , abbe value is 58. It is blended with nano particles and have super high image quality.
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