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There are five kinds of common dyeing lenses: pink, gray, green, brown and yellow. Different colors have different protective effects on our eyes. Therefore, when choosing glasses, we not only pay attention to beauty, but also pay attention to the little secrets hidden behind different lens colors.

Dyeing powder optical instrument in the new century

1、Pink lenses. This is a very common color. It can absorb 95% of ultraviolet rays. In fact, the protective effect of pink lenses is similar to that of ordinary lenses. But because its gorgeous color is full of youthful vitality, it has become a favorite collocation.

2、Gray lenses. It can absorb infrared and 98% ultraviolet rays, minimize light exposure, and protect our eyes. Its biggest advantage is that it can restore the original color of the object and will not affect our identification of external color because of the lens color.

3、Green lens. Like gray lenses, green lenses can effectively absorb infrared and 99% ultraviolet rays. But the fly in the ointment is that the green lens will distort the color of the objects outside the lens and cause some interference to us in distinguishing things. Nevertheless, green is still a good assistant to protect our eyes.

4、Brown lenses. The light absorption type of this lens is similar to that of green. The disadvantage is that the distortion of external color is much greater than that of brown and green lenses. But its image is clear, and people's satisfaction is still relatively high.

5、Yellow lens. It can absorb 100% ultraviolet and most of the blue light in the air. It can not only protect your eyes, but also give you a clear world. Therefore, yellow lenses are often used as filters and become the best choice when people go out

Tint bath and deying tools

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