Larger film gauge is generally associated with higher image quality, higher image detail, greater materials expense, heavier camera equipment, larger and most costly projection equipment, as well as greater bulk and weight for distribution and storage (both interim and archival).- Film gauge
Many projectors are specific to a particular film gauge.- Movie projector
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35 mm film is a film gauge used in filmmaking, and the film standard.
The ubiquity of 35 mm movie projectors in commercial movie theaters made 35 mm the only motion picture format that could be played in almost any cinema in the world, until digital projection largely superseded it in the 21st century.