When movies get released on Blu-ray, they usually only release the Blu-ray Standard version 2.39:1 (21:9). IMAX version of movies are usually released after or on a special edition box. IMAX Blu-ray versions usually comes in 1.78:1 (16:9) and IMAX digital versions are 1.9:1 (19:10).
Aspect Ratio ———– Users ————————– TVs
4:3 (1.33:1) ————- Standard Channels —– Old TVs
16:9 (1.77:1) ———– HD Channels ————— Most TVs today
21:9 (2.35:1) ———– Most movies ————— Most theaters today
14:10 (1.4:1) ———– IMAX Film ——————- Very few theaters
19:10 (1.9:1) ———– IMAX Digital —————- Most IMAX theaters
So when buying a Blu-ray discs, if you want the full experience and resolution, buy the one that includes the IMAX resolution. They usually release it with 3D Blu-rays and deluxe editions.
Look for #IMAX #Bluray #OpenMatte and learn more about different video resolutions.