Science Fair Project Encyclopedia
The film is in the form of a flat disc, and is fully housed in a plastic cartridge. There are 15 exposures, the disc being rotated 24° between each image. The camera is very simple to load and unload. The cartridge has a built-in dark slide to prevent stray light reaching the film when the cartridge is removed. Because the film is rotated on a disc instead of by spools, the cartridge is very thin. The camera is typically thin as well.
The format was introduced by Kodak in 1982, presumably as a replacement for their miniature Instamatic 110 format. The format did not really have any advantages compared to its predecessors, and was not particularly successful. It was discontinued in 1998.
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