The viewing experience is very different — if you're in the right theater. Graphic by Steve Dent (Universal Studios) You've likely heard, ad nauseum even , that Christopher Nolan's epic The Odyssey is the first feature film fully shot in the awesome IMAX 70mm film format . With all that publicity, many cinema fans want to see it projected that way  as well. However, they may get confused, as The Odyssey is available in both IMAX 70mm film and the IMAX digital format. Both are excellent, but one is definitely a bit better. Let's break down the differences between these two formats.  To understand IMAX, it helps to know how movies are captured in the first place. Many are shot digitally, as it's cheaper and more convenient than using film. However, many filmmakers still want, well, film.…