What is a good material of the sunglasses lenses

Sunglasses and glasses, is mainly composed of two parts, respectively is the frame and lenses, as for picture frame is not particularly big difference, the difference between the two lies in the lens. What sunglasses lens material, what material is good? In general, sunglasses lens material can be divided into three categories - — Glass lenses, resin lens, PC lens. Sunglasses factory YC9708 general sunglasses C7 black box silver leg/lens grey glass lenses are the best optical material, but because of ordinary glass lenses are more likely to be broken, for people who love outdoor sports, safety performance is not high, so little used in sunglasses. Now sunglasses lens is the most widely used resin lenses, the structure of the resin is a kind of phenolic chemicals, its characteristic is very light, high temperature resistant, impact resistant, and can effectively block the ultraviolet ray. It should be said that this is a relatively good sunglasses lens material, made of this material polarized lens can make us see things more clearly. On the market there is a known this PC lenses, this lens in terms of impact resistance, not easily broken of the performance is quite good, is a kind of material is suitable for making sport sun glasses. It should be said that the PC chip performance better than the resin lenses, of course the price is higher. Ms sunglasses factory YC9709 sunglasses C4 hawksbill/lens grey shades of color also has a lot of kinds, different color lenses have different functions, common lens color is dark brown and gray. ( Related: what color of sunglasses for your eyes) Tan tan in the lenses can filter out a lot of blue light, which can improve visual contrast and clarity, under the condition of the air pollution is serious, or foggy wearing effect is better. Generally can block smooth shiny surface reflects light, wear glasses still can see small part, is the ideal choice of the driver. Grey grey lens sunglasses almost equal amount of all kinds of filters in the sunlight, but also can filter the infrared and 98% of the ultraviolet light. Wearing grey lens sunglasses, scenery the original color will not change, by the lens can also limit to keep out light. Outdoor activities during the summer, wear grey lens sunglasses, not only effectively, shading, also can see the beauty of the primary colors.
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