The movie itself is the same. Both options use the IMAX technology and screen. During a 3D movie you were polarized glasses that help your eyes perceive the image as a three dimensional space. The image quality is better then that used in other 3D options such as real D 3D. Price for IMAX is a flat rate
You wear glasses that allow 3d effects for Imax movies. Same as 2d and 3d in regular aspect movies. They also charge a little more for 3d usually.
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