What is a good material of lenses1
Average person buying sunglasses mainly focus on the style and design, few people have the sunglasses lenses do their homework, the sunglasses lenses are generally made of what material? What's the material of the lens is better? Ms sunglasses factory YC9703 sunglasses black/C3 dazzle colour blue sunglasses is commonly used to keep out sunshine, to relieve his eyes to adjust the damage caused by fatigue or strong light stimulation. Therefore, the choice of sunglasses lens material compared to common vision correction glasses are very different. In general, lenses that main materials include glass, resin, nylon, polyester carbonate ( PC) And so on. The small make up to you to introduce more common three lens material. Recommended reading: what is a good material lenses 1, glass lenses glass lenses have excellent optical performance, is also the best optical material. But because ordinary glass lenses are easily broken, impact resistance is weak, the security is not high also, so now the sunglasses is rarely used in glass lenses. 2, the structure of the resin lens is actually a kind of phenolic resin chemicals, has the characteristics of high temperature resistance. The most distinguishing feature of resin lens is lighter weight, and strong impact resistance, high safety, resistance to ultraviolet radiation effect is good, and the performance is easily coloring. Resin lens is a lens, is now widely used with good optical performance, made of resin lens polarizer, have very good optical effect. Resin lens disadvantage is that the wear resistance is poor, easy to wear and scratches. 3, PC lens PC lens impact resistance and not easy broken than resin lens, special light in weight, coloring line is very good also, defect is poor abrasion resistance, light department can not stable. Suitable for making sports sunglasses lenses. Of course the price also is naturally your point. PC is one of the plastic, professional athletes are not familiar with the high-end PC lens sunglasses also use than ordinary.
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