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Do you often wake up feeling that your eyes are dry, or when you are riding a bike, your eyes cannot be opened because of winds, riding a full route with tears? Winter is arriving. It’s the season when the...
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An interesting point here is that these coatings are anti-reflective films, but often because of the anti-reflective coating, a reflection of one color is found on the lens. In fact, it is not the extra reflected light, but the remaining reflected light. For example, the original reflected light is 300~750nm, but most of the light below 500nm and above 600nm can pass smoothly, after the light of 500~600nm is reflected, we will see green again on the film surface.
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