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Creator / IMAX

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The really big screen. IMAX is a Canadian invention, with the IMAX Corporation headquartered in Toronto.

The first IMAX film was screened at the 1970 World's Fair in Osaka, Japan. Today, many movies are released in IMAX.

IMAX gets its high quality from running 70mm film sideways through the camera. Unlike normal 70mm, which uses 5 perforations per with a 2.20:1 Aspect Ratio, IMAX uses 15 perferations per frame for three times the exposure area. This makes an aspect ratio of 1.43:1.

Starting with The Dark Knight, IMAX has been used for major motion pictures. Though it used 70mm cameras with the full 1.43:1 ratio, most major IMAX films are digital IMAX, with the full aspect being 1.90:1note . However, IMAX 70mm still gets used in some major motion pictures, with Christopher Nolan using it the most.

These films are shown in Open Matte in IMAX theaters. However, most of these films are not shot entirely in IMAX, causing aspect ratio switches when shown in IMAX ratio. No major motion picture so far has been made entirely in IMAX 70mm, mainly due to the cameras being heavy, bulky and loud. The first major motion picture to be made entirely in digital IMAX is Avengers: Infinity Warnote . The Suicide Squad uses 1.90:1 as its normal aspect ratio as opposed to being open matte in IMAX.


IMAX ratios are rarely made available for viewing outside of IMAX theaters, with most home video releases cropping the IMAX sequences to match the rest of the film. Some films, such as The Dark Knight, have the wider aspect ratio modified to fit standard HDTV screens. In 2021, Disney+, in a novel move, made the IMAX-formatted versions of all applicable films in the Marvel Cinematic Universe available to stream.

IMAX has become a very common format for science documentaries shown at science museums worldwide. Many science documentaries are designed for showing on dome-shaped theaters officially called IMAX Domenote  that wrap around 180 degrees, up 100 degrees, and down 22 degrees to the viewer for full immersion. In addition, they typically run for about half the length of a feature film.


Here's a filmography of films released in IMAX, including (all listed in alphabetical order):

Filmography of IMAX films, including 3D Movies: