1.523 photochromic glass bifocal lens

Key Attributes.

65/28mm PHOTO GREY Abbe Value 64 Transimission:Over the 87%(Faded) Transimission:Over the 23%(Darkened) Density(g/cm^3):2.3 PHOTO Brown Abbe Value 64 Transimission:Over the 86.5%(Faded) Transimission:Over the 24%(Darkened) Density(g/cm^3):2.3 We can manufacture all kinds of optical lenses, if you are in need of this, please feel free to contact me.