Why are Imax reels so big?

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Isn’t there any way to make them smaller? They’ve been around forever at this point? Is there something about the way they work that requires the camera and reel being huge?

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Anonymous 0 Comments

For the 70mm IMAX format, each frame on the film is 2.74″ x1.913″. (A little over 2.5 times the area of the more conventional film formats).

That, times 24 frames per second for 3 hours is about a quarter million frames that size, which takes up a lot of physical space.

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