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Costa Del Mar or simply Costa is an American manufacturer of polarized sunglasses based in Daytona Beach, Florida. [1] It is a wholly owned subsidiary of EssilorLuxottica. Their sunglasses are popular in the sport sunglasses market, and are considered good for outdoor sports practicing, such as Summer activities, recreational fishing and boating.
Sales rapidly increased with Hollywood stars being featured in advertising campaigns, and the company became a major player in the sunglasses' industry. [ 4 ] In 1934, [ 5 ] Foster Grant purchased the first plastics injection molding machine to be imported from Europe; however, the machine arrived in non-working condition.
At the same time, sunglasses started to be used as aids for pilots and even produced for the gaining aviation sector, eventually adding to sunglasses as cultural icons and to their popularity. Polarized sunglasses first became available in 1936 when Edwin H. Land began experimenting with making lenses with his patented Polaroid filter. In 1947 ...
Luxottica was founded in Agordo by Leonardo Del Vecchio in 1961 as a sunglasses manufacturer selling and branding under its own name. Del Vecchio quickly acquired numerous businesses in the pursuit of vertical integration, buying distribution companies rapidly and signing its first designer licensing agreement with Giorgio Armani .
Polarized sunglasses use a sheet of polarizing material to block horizontally-polarized light and thus reduce glare in such situations. These are most effective with smooth surfaces where specular reflection (thus from light whose angle of incidence is the same as the angle of reflection defined by the angle observed from) is dominant, but even ...
A polarized 3D system uses polarization glasses to create the illusion of three-dimensional images by restricting the light that reaches each eye ...
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