, like glasses, are mainly composed of two parts, the frame and the lens. As far as the frame is concerned, there is no big difference. The difference between the two lies in the lens. What are the materials of sunglasses
lenses, and which materials are better? Generally speaking, the lens materials of sunglasses can be divided into three categories-glass lenses, resin lenses, and PC lenses. YC9708 general-purpose sunglasses C7 black frame silver legs/grey glass lens is the best optical material, but because ordinary glass lenses are relatively easy to break, for people who like outdoor sports, the safety performance is not high, so it is basically not in sunglasses. Will adopt. Nowadays, the most commonly used sunglasses lenses are resin lenses. Resin is a chemical substance with a phenolic structure. It is characterized by lightness, high temperature resistance, impact resistance, and can effectively block ultraviolet rays. It should be said that this is an excellent material for sunglasses lenses. Polarized lenses made of this material will make us see more clearly. There is also a sunglasses lens called this PC lens on the market. This kind of lens has excellent impact resistance and resistance to breakage. It is a material suitable for making sports sunglasses. It should be said that the performance of the PC lens is better than that of the resin lens, of course its price is higher. YC9709 Women's Sunglasses C4 tortoiseshell/grey lens sunglasses are available in many colors. Different colors of lenses also have different functions. The more common lens colors are brown and gray. (Related reading: What color sunglasses are good for the eyes) The brown brown lenses can filter out a lot of blue light, which can improve the visual contrast and clarity, and it is better to wear under severe air pollution or foggy conditions. Generally, it can block the reflected light from a smooth and bright surface, and the wearer can still see the subtle parts. It is an ideal choice for drivers. Gray sunglasses with gray lenses filter almost the same amount of sunlight in each color, and can filter infrared rays and 98% of ultraviolet rays. Wearing gray lens sunglasses, the original color of the scene will not change due to the lens, and it can also block the glare to a large extent. When outdoor activities in summer, wear sunglasses with gray lenses, not only to pull the wind, shading, but also to see the beauty of the original colors. Related Reading: Sunglasses Polarized Lens Brand Sunglasses
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