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Film becomes smart

Advantages of discoloration of the film:

Faster color change: the new film color changing lens uses high-performance color changing compound, which is faster than the base color changing and fading;

More uniform color change: the higher the degree of the basic variable lens, the greater the color difference between the middle and the edge; while the film color change lens is not affected by the thickness of the lens, the overall color change is uniform;

Better protection against blue light: the color change film can be coated on the anti blue light substrate, and the barrier performance of harmful blue light is better;

More varieties: the color changing film can be coated on the substrate of any refractive index without affecting the color changing effect. The high refractive index substrate can be selected for high lens height, which makes the lens thinner and lighter