Mirrored Sunglasses – Mirror shades, anyone.
The coating proves useful on sand, water, snow and in higher altitudes. Mirrored sunglasses are a popular phenomenon among the US police force; mostly used by Highway Patrolmen, it is due to this reason they are also known as cop shades and mostly come in the form of mirrored aviator sunglasses and wraparounds. However, the mirrored Aviator sunglasses are actually dual lenses set in metal frames and resemble the Aviators.The simplest version of mirrored sunglasses feature a single layer of a suitable metal, in the form of a thin film, deposited by ion beam, sputter deposition or vapor deposition. Though these come cheap, they are very prone to scratches and corrosion. Modern reflective coatings hold better than the single-layers; they comprise several alternating layers of dielectric materials and metals (e.g. titanium, nickel, chromium, Nichrome, Inconel etc.) with the thickness ranging between 0.5 and 9 nanometers.
Shield sunglasses have long been the favorites of the celebrities; these ones have a glass shield set in a frame instead of the pair of lenses, often coated with the reflective material earning them the name of mirrored shield sunglasses. Mirrored shield sunglasses are also the easiest way to look like a celebrity; with mirrored aviator sunglasses, chances are you shall never be considered a commoner at the first glance.
Full mirrored sunglasses got their name from the several alternating layers of dielectric materials and metals (e.g. titanium, nickel, chromium, Nichrome, Inconel etc.) that impart to them total reflective qualities. Full mirrored sunglasses have a few properties that come as standards within the types; these include UV 400 protection and full mirror lenses apart from the ultra-modern frame.
The ground where full mirrored sunglasses cash-in are their very unusual look that not only cover the eyes, but also the face partially, thus stopping harmful sunrays affecting the adjoining skin. The frames are usually lightweight while the lenses come with scratch- and impact-resistant properties; it is due to these qualities, full mirrored sunglasses are favored for outdoor sports, especially the ones occurring at high altitudes, on sand, on water and on snow. The mirror coating imparts to it the different colors and the sunglasses are available from all the brands, in all types, colors and sizes.