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2011-05-29 19:34:00
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Not the same process for each lens, not the same for the crowd.
Color Lens: also known as "stain lens" is in the lens production process, coupled with some chemical substances, so the lens showing the color, to absorb specific wavelengths of light.
Coloring lenses: the effect of such lenses and color lenses presents the same, only made in different ways, it is the color applied to the lens surface, the most well known is the "gradient lenses painting style, " color is above the deepest , And then gradually down light. Generally have more degrees of sunglasses lenses are coated with colored handle.
Polarized lenses: In order to filter the sun shone on the water, land or snow, the direction of equality on the dazzling light, the lens perpendicular to add a special coating, known as polarized lenses. Most suitable for outdoor sports (such as: maritime activities, skiing or fishing) use.
Lenses: It was also known as the "photographic lens. " Because the lenses to add the right amount of chemical substances, so that the original colorless lens, case of light, strong ultraviolet radiation, it will become colored lenses, UV protection is mainly used to burn the eyes, it is suitable for indoor and outdoor At the same time use, particularly in the areas of intense ultraviolet