<ul data-eligibleForWebStory="true">Director Danny Boyle shot his post-apocalyptic sequel '28 Years Later' on iPhones using a rig holding 20 iPhone Pro Max cameras.The rig allowed for capturing action scenes from multiple angles resembling 'a poor man's bullet time.'Boyle disabled settings like automatic focus on the iPhones and used special accessories to enhance filming.The iPhones served as the principal camera for the movie, enabling the team to move quickly and lightly to remote locations.