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IMAX is a motion picture film format and a set of cinema projection standards developed in Canada by Graeme Ferguson, Roman Kroitor, Robert Kerr, and William C. Shaw. IMAX has the capacity to record and display images of far greater size and resolution than conventional film systems. Since 2002, some feature films have been converted into IMAX format for displaying in IMAX theatres and some have also been partially shot in IMAX.

Logo for IMAX used since 1970.
A comparison between 35 mm and 15/70 mm negative areas.

IMAX (an acronym for Image maximum) is a motion picture film format and a set of cinema projection standards developed in Canada by Graeme Ferguson, Roman Kroitor, Robert Kerr, and William C. Shaw. IMAX has the capacity to record and display images of far greater size and resolution than conventional film systems. Since 2002, some feature films have been converted (or upgraded) into IMAX format for displaying in IMAX theatres and some have also been partially shot in IMAX.

IMAX is the most widely used system for special-venue film presentations. As of June 2016, there were 1,102 IMAX theatres in 69 countries.