Conant Sunfilter makes use of an advanced manufacturing process, and it’s sensitive color-changing molecules instantly detect ultraviolet light . It has a quick change of the color, gives you a fast visual experience and comfortable wearing experience.The color change is uniform and the fadeback is fast. It is not affected by parameters such 

as lens luminosity and thickness, and the indoor and outdoor scenes are transition freely.

Conant Sunfilter can be applied to virtually any lens material and the product range vast.With so many possible material, index, and treatment combinations, Conant photochromic lenses satisfy diverse customer demands.