35W high power green laser used in PMMA transparent sheet Plexiglas cutting   Glass is a very ancient material. The application range of lasers, including glasses, used glass lenses in the past. However, with the development of technology and the improvement of people's material living standards, glass lenses are relatively heavy in quality, and their status is gradually being penetrated. Replaced by resin lenses with the same excellent luminosity. So now we see that there are fewer and fewer glass lenses on the market, and resin lenses have gradually become the main choice for people who wear glasses.