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'28 Years Later' used 20 iPhones in tandem for some wild shots
28 Years Later used three different iPhone rigs for filming.
In editing, you can choose from any of the footage each iPhone takes to, say, move between perspectives or jump forward and backward. In addition to the iPhones, the filmmakers also used drones, cameras attached to actors and even farm animals to achieve an immersive feel for its 2.76:1 widescreen aspect ratio. They decided on the aspect ratio to create a sense of unease, since you'd have to keep scanning the screen to see potential threats coming from the sides.
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