u003cbru003eThe types of sunglasses
lenses are roughly divided into five types: anti-reflective protective lenses, colored lenses, painted lenses, polarized lenses and color-changing lenses. 1. Anti-reflective protective lens: YC9702 Ladies Sunglasses C3 Black/Lens Colorful Blue This lens is coated with a thin layer of magnesium fluoride on the surface to prevent reflection of strong light, allowing you to see things more clearly without interference from strong light . To check whether your glasses really use anti-reflective protective lenses, you can point the glasses at the light source. If you see purple or green reflections, it means that the lenses are indeed coated with anti-reflective protective film. 2. Colored lenses: Ray-Ban RB3449 Men's Sunglasses Silver/Lens Colorful Blue 004/55 is also called 'stained lenses'. In the lens manufacturing process, some chemicals are added to make the lenses appear colorful to absorb light of specific wavelengths. . This is the most commonly used lens type for sunglasses
. 3. Painted lens: This kind of lens presents the same effect as the colored lens, but the way it is made is different. It paints the color on the surface of the lens. The most well-known is the 'gradient colored lens, And then gradually lighter down. Generally, sunglasses with power are mostly painted with lenses. 4. Polarized lenses: YC9707 ladies sunglasses C8 tortoiseshell/colorful yellow In order to filter the sun's dazzling rays in equal directions on the water, land or snow, a special vertical coating is added to the lens, which is called a polarized lens. It is most suitable for outdoor sports (such as marine activities, skiing or fishing). 5. Color-changing lens: It is also called 'photosensitive lens'. Because silver halide chemicals are added to the lens, the originally transparent and colorless lens will turn into a colored lens when exposed to strong light for protection, so it is suitable for both indoor and outdoor use. Related Reading: Sunglasses Polarized Sunglasses
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