According to real-world analysis (and IMDB technical specs), Doctor Strange was shot primarily on the (a 6.5K resolution camera) and finished with a 2K Digital Intermediate (DI) . This means the visual effects—which constitute 70% of the film’s runtime—were rendered at 2K and upscaled to 4K.
: Under her guidance, he learns to manipulate reality and use the Eye of Agamotto to control time. dr strange 4k