Launched in May 1965 by Eastman Kodak at that year's International Photo Exposition, held simultaneously with the ongoing 1964 New York World's Fair, Super 8 film comes in plastic light-proof cartridges containing coaxial supply and take-up spools loaded with 50 feet (15 m) of film, with 72 frames per foot, for a nominal total of 3600 frames per film cartridge. This is enough film for 2.5 minutes at the professional motion picture standard of 24 frames per second, and for 3.33 minutes of continuous filming at 18 frames per second (upgraded from the 16 frames per second rate of standard 8 mm) for amateur use.
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