Resin Lenses More Colorful Than Mineral Lenses?

Lenses of mineral materials, such as glass lenses, are dyed by evaporating the absorbing layer on the lens. These thin coating materials consist of a mixture of metals or metal oxides that can only be evaporated onto the lens at specific elevated temperatures. They also have natural high refraction and high reflectivity. Therefore, the evaporation process has to go through many steps to preserve the properties required for the glass. Therefore, we are able to obtain mineral lenses with different levels of absorption in brown tones, and as a standard feature, they are always coated with a gold anti-reflection film on the back surface of the lens. The dyed resin lens is obtained by immersing the lens in a dye solution. Therefore, in fact, the resin lens can be dyed in any color.

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