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Old 06-16-2011, 05:14 PM   #1
odanbd001
 
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Default Manufacturers use different colors to produce a pa

The summer is coming ,and own a sunglasses for us is important.and there are some different materials of the glasses’ lens.of course,cheap sunglasses the price is base on the materials.
Color lens sunglasses lenses can determine which parts of the absorption spectrum of light. Manufacturers use different colors to produce a particular effect the use of sunglasses
Fruit.
First, the green part of the lens to filter out blue light, but also to reduce the glare effect. In all color lenses, green lenses offer the highest contrast and greatest visual acuity, so popular.
second, in green or blue background, purple and rose-colored lenses provide the best contrast of objects. Thus they are a good choice hunting and water skiing. Many sunglasses manufacturers use a process called constant density to give the lens staining. This is the most old sunglasses manufacturing process, the mixture of glass or polycarbonate materials, have the same color. So that the lens in the manufacturing process, the color is inside the lens. A layer of molecules absorb light coating the surface of pure polycarbonate, but also a stain. Stained polycarbonate lenses to the most commonly used method is to soak the lens in a special liquid containing the coloring substance, Chanel Sunglaess AAA the coloring substance that will slowly absorbed by plastic. If you want deeper color, simply extend the lens of time immersed in the liquid.
third,gray is a good general color, brightness, while reducing its minimal color distortion. Grey lenses provide glare protection, making it ideal for driving and general purpose choice.
forth, amber and brown are also good general color. They can reduce the glare effect, in addition to ultraviolet radiation outside the molecules can absorb the unique color of higher frequencies, such as blue. Studies have shown that long-term acceptance near ultraviolet light (such as blue and violet) radiation, is one of the risk factors of cataract. In fact, Sun Tiger has a special version called Blue Blockers,Dior Shoes, with the patent. Such as sunglasses with yellow lenses can cause color distortion, but will increase the contrast and sharpness.
fifth,yellow or golden lenses can reduce the Blu-ray, while allowing more light through the lens of other frequencies. Because a lot of Blu-ray can bounce and disperse light, which can produce a glare known as blue haze effect. In fact, the yellow part to eliminate the blue spectrum, which makes all objects appear bright and clear. This is why the anti-snow-blindness is usually yellow sunglasses reasons. wholesale gucci from china Color perception of these colors will make a little distortion, and therefore not suitable for this type of sunglasses the color to identify those who need accurate color activities.
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