Sunglasses than the average price of your glasses, a large part of your fake oakleys lens on. Compared with normal glasses, sunglasses, lenses are special. A pair of good sunglasses lens, not only to prevent ultraviolet light, eliminating glare and glare, but also can filter out specific frequencies of light, but also keep the original color of the object.
In-depth look at the sunglasses lens, you will learn a sophisticated lens and the hidden mysteries, but also help you in the future a better buy sunglasses. Sunglasses lens material General use cheap oakley sunglasses lenses made of glass or resin. The transparency of the glass lenses are very good, is not afraid of scratching, but more important, easier to fracture by impact. Resin lenses light weight, impact resistance, but susceptible to scratching. After a long study, sunglasses manufacturers of the two materials have made improvements, efforts to overcome its shortcomings. For example, a good glass tempered glass lenses can not withstand the impact of the larger fragments, such as cheap oakleys can withstand a variety of drop ball test: the diameter of the ball about 1.5 cm, 50 cm from the air fall on the lens , the lens can not be broken. The resin will increase the anti-scratch lens coating to enhance the ability of scratch-resistant lenses.
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