This is the third Harry Potter film converted into the IMAX format. It has been digitally re-mastered into the image and sound quality of The IMAX ExperienceÂ® with proprietary IMAX DMRÂ® technology. The large 15/70 film frame, combined with the IMAX projection technology and sound system, provide moviegoers with an immersive cinematic experience. Also, see the movie's explosive finale in IMAX(R) 3D! Using proprietary 2D to 3D conversion technology, the final scenes have been digitally transformed into amazing IMAX 3D--the most immersive cinematic 3D in the world."