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Christopher Nolan is a staunch advocate for film over digital. Interstellar was shot using a combination of 35mm anamorphic film and 15-perf 65mm IMAX film. When transferred to 4K UHD (Ultra High Definition), the resolution increase provides a tangible difference in clarity. The IMAX scenes in Interstellar switch aspect ratios, filling the entire screen on compatible TVs. This results in roughly 40% more image content. Interstellar 4k Download Google Drive