ISO 732 also specifies the dimensions of 220 film. With the popularity of 35mm, 120 film became a format for professionals.Ģ20 film is the same width as 120, but with double length (144 cm) and thus twice the number of exposures per roll. It was the main format for amateur photographers and beginners’ cameras like the box cameras. The 120 film format was originally introduced by Eastman Kodak for its Brownie No. The 70mm wide 616 film format ( 2½” ×4¼” or 6.5×11 cm) was the same as the existing 116 film format but the negative stock was wound on smaller spools in order to fit smaller cameras.ġ20 film is still a very popular medium format film, especially with the recent popularity of the Holga. In 1932 Kodak introduced two new negative format, 620 and 616.
Introduced in 1899 and discontinued in 1984
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