Originally Posted by flickchick85
The digital IMAXes are still IMAX brand. When people talk about "true IMAX" they're talking about 70mm film projection, which is sadly becoming obsolete. AMC made a deal with IMAX a few years back to install digital IMAXes in a lot of their theaters, which don't project the actual 70mm film stock, and are almost universally smaller screens than the true IMAXes.
I remember going to an AMC IMAX for the first time expecting it to be an actual IMAX, my only reaction was "Da hell is this?"