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1.56 Semi Finished photo grey Optical Lenses
The glass lens of the color-changing lens contains a certain amount of silver chloride, sensitizer and copper. Under the condition of short wave light, it can be decomposed into silver atoms and chlorine atoms. Chlorine atoms are colorless and silver atoms are colored. The concentration of silver atoms can form a colloidal state, which is what we see as lens discoloration. The stronger the sunlight, the more silver atoms are separated, the darker the lens will be. The weaker the sunlight, the fewer silver atoms are separated, the lighter the lens will be. There e is no direct sunlight in the room, so the lenses become colorless.
