Mostly people heard polarized lens before. Do you know other lens ? Do you know difference ?
1 AC lens(Acrylic): Cheap,easy to fracture and could not enter USA market
2 PC lens(Polycarbonate): Used widely and impact-resistant ( Enter USA market )
3 Polarized lens: 0.74--1.50mm,Used widely and polarized function
4 CR39 lens: 1.80--2.20mm, Used mostly in acetate sunglasses
5 Nylon lens: 1.80--2.20mm, Recycle and ultralight, used mostly in sports safety sunglasses
6.Glass lens: Strengthen glass has perfect optical character and light transmittance
If you want other lens knowledge, you can tell us.
I can share with you together,
Sincerely
