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Lens Category
Jan 23, 2017

1. anti-reflective protective lenses: these lenses are coated with a thin layer of magnesium fluoride to prevent light reflection, allow you to see things more clearly and is not affected by strong light interference. Is it true that you want to test your sunglasses with anti-reflective protective lenses, glasses can be aimed at the light source, if you see a purple or green reflective, it would mean that lenses do have anti-reflective coated protective film. 2. colored lenses: also called "tinted lens", is the lens production process, plus some chemicals, lens color to absorb specific wavelengths of light. This is the most commonly used type of lens sunglasses. 3. colour lens: effect of the lens with the same colored lenses, made only in a different way, it is a color coating on the lens surface, the most well-known is "gradient-painted lenses", color is the least above deep and light down. Prescription sunglasses are generally painted to handle lens.