Polaroid Eyewear Polaroid Eyewear Polaroid Eyewear manufactures polarized sunglasses and polarized lenses, as well as optical frames, reading glasses, and clip-on lenses. Polaroid Eyewear was a part of the StyleMark group and sold to the Safilo Group in November 2011. Polaroid headquarters is located in Padua (Italy). Edwin Land, born in 1909 in Connecticut, invented Polaroid, the world's first polarizing material for commercial use, in 1929. He founded the Polaroid Corporation in 1937 in Cambridge, Massachusetts. The company initially produced Polaroid Day Glasses, the first sunglasses with a polarizing filter. In 1935 Land negotiated with American Optical Company to produce polarized sunglasses.
Field camera monorail cameras, modern field cameras tend to have most camera movements for the front standard, i.e. lens rise/fall/shift/tilt/swing, but are usually more limited in back movements, sometimes having only tilt/swing. They usually use sheet film, in sizes from 6x9cm (2.4×3.6") to 20×24 inches (e.g., the Polaroid 20×24 camera), but the most popular "standard" sizes are 4×5 and 8×10 inches. They are usually used by photographers who need the larger negative sizes and the portability. Field camera A field camera is a view camera that can be folded in a compact size. Modern designs are little different from the first folding