Polaroid (polarizer) Polaroid (polarizer) Polaroid is a type of synthetic plastic sheet which is used as a polarizer or polarizing filter. A trademark of the Polaroid Corporation, the term has since entered common use. The original material, patented in 1929 and further developed in 1932 by Edwin H. Land, consists of many microscopic crystals of iodoquinine sulphate (herapathite) embedded in a transparent nitrocellulose polymer film. The needle-like crystals are aligned during manufacture of the film by stretching or by applying electric or magnetic fields. With the crystals aligned, the sheet is dichroic: it tends to absorb light which is polarized parallel to
Instant camera × 24 Polaroid studio, for years experimented with snapshot transfers. Andy Warhol also made use of instant cameras. Warhol began taking snapshots to use as sketches of his popular lithographs. In spite of this, their peculiar vision and the passage of time have turned these Polaroids into famous and interesting photographs from an artistic point of view. In addition, they are also part of pop art or pop culture. Instant camera The instant camera is a type of camera which uses self-developing film to create a chemically developed print shortly after taking the picture. Polaroid Corporation pioneered (and patented) consumer