The types of lenses that are broadly divided into: five kinds of anti-reflective protective lenses, color lenses, color coated lenses, polarized lenses and photochromic lenses cheap sunglasses.
An anti-reflective protective lens: This lens is coated with a thin layer of magnesium fluoride to prevent light reflection, so you see things more clear and free from light interference. To test your sun glasses is really an anti-reflective protective lenses, glasses against the light, if you see a purple can be green reflective, it is indeed coated with anti-reflective protective film on the replica sunglasses lens.
(2) Color Lens: cheap oakley sunglasses,also known as the "stain lens is the lens production process, coupled with some chemical substances, so that the lens showing color to absorb specific wavelengths of light. This is the sunglasses the most commonly used type of lens.
Coloring lens: This lens showing the effect of the same color lens, made only in different ways, it is the color applied to the lens surface, the most well-known is the "gradient coloring lenses, color above the deepest, and then down gradually to light. General degree of sun glasses is a multi-coloring approach to the lens.
The polarized lenses: In order to filter the sun shines a dazzling light in equal direction of the water, land or snow, in the lens perpendicular to the special coating, called polarized lenses. Most suitable for outdoor sports (such as: maritime activities, skiing or fishing) use.
Lenses: It was also referred to as "photosensitive lenses. To join the silver halide chemicals on the lenses, so that the originally transparent and colorless lens case of strong light, it will become colored lenses do protection, and so is suitable for indoor and outdoor use cheap ray ban sunglasses.
Orignal From: The classification of sunglasses lens
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