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GRANITE Petter
FRAME: BLUE
LENS: SMOKE with FLASH
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Different types of lenses
Granite eyewear is available with several different types of lenses. All of them block ultraviolet UVA and UVB rays. The material used in most of our lenses is shatter-proof acrylic, but we also use unbreakable polycarbonate for some special-purpose frames, particularly for use in sports activities. The most common types of lenses can be used in the following instances:
Yellow, orange and amber lens
Gives better contrast in poor light, e.g. dusk, fog and snowfall; a perfect lens for skiing, bicycling and shooting. This lens is also suitable for driving in low visibility conditions.
Normal tinted lens
This lens (known as normal sunglass lens) reduces sunlight considerably and gives real colour rendition. Available in grey, green and brown.
Polarized lens
Absorbs horizontal reflexes and glare from water surfaces, wet roads, and snow. Suitable for driving, skiing or sailing.
Mirror & flash lens
A normal tinted lens, with a tinted reflective coating on the outside (mirror effect). Reduces sunlight, snow and water glare considerably. Several shades are available, but silver is the most common.The flash lens has a slight mirror effect, not as pronounced as an actual mirror lens.
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