A new coating has been added to the surface of the glass, more stable due to the nano level. Because of this, the particles are coated on the surface of the glass with an extremely high density that creates a hard and smooth coating. In addition to being extremely hard and smooth, the HOYA HD with nano coating has superior water and oil repellent capabilities, making filter maintenance easy and stress-free.

Glass that withstands breakage 4 times more.