What's the difference between IMAX and ordinary giant screen (Dalian Ona giant screen)?

Image maximization is a type of film, which generally refers to the big screen, ball screen, ring screen and IMAX, all of which belong to giant screen, but generally larger than ordinary screen. Now it is generally called image maximization, but in fact giant screen is a big category.

IMAX means to maximize the screen, which is the top type of giant screen at present, and 3DIMAX is to play 3D movies on IMAX screen to get more shocking effect ~