The director has used IMAX cameras in most of his films, with each addition to his oeuvre more readily embracing the big-screen format. Nolan tells stories on an epic scale, so it only makes sense for him to pursue and perfect the most epic filmmaking techniques at his disposal. It’s a notoriously difficult process, as IMAX’s film cameras are loud and bulky. The Odyssey is set to adapt Homer’s epic Greek poem, which means Nolan needs sweeping visuals to back it up. Per Gelfond, the new film cameras are lighter and 30% quieter, making it easier to record dialogue.