The Difference Between a 65 and an Imax Ticket?

The screen is still bigger, but you're paying almost, literally double your price. So i think that the reason that this happens is in part to justify the cost of the imax ticket. I mean, let's just say, like all the footage the 65 and the imax was all like, spliced down to, or cropped down to 16 by nine. Then at that point, why go, why go to imax? Why?