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Christopher Nolan is no stranger to pushing the boundaries of cinema and exploring new frontiers in filmmaking. However, his latest project,Oppenheimer, posed a unique challenge due to its extensive runtime, almost exceeding the capacity of IMAX projectors.

Cillian Murphy and Matt Damon in a still from Oppenheimer

IMAX projectors utilize a platter mechanism to hold and feed large-format film reels during projection. The platter consists of a circular plate that securely holds the film reel and rotates it for seamless playback on the screen. While this mechanism ensures an immersive viewing experience, it has limitations when it comes to film length. The size and weight of film reels can pose challenges, especially for longer movies.

READ MORE:“I hate looking at myself”: Cillian Murphy Has One More Wish After Getting Completely Overwhelmed While Watching ‘Oppenheimer’ For the First Time

Christopher Nolan on the set of Oppenheimer

Christopher Nolan’sOppenheimerEncounters IMAX’s Limits

During the press tour forOppenheimer,Christopher Nolandiscussed the film’s runtime and the challenges it posed for IMAX projection. Nolan had previously collaborated with IMAX on other films, which involved widening the platters to accommodate longer runtimes. For example,Interstellarpushed the limits with a runtime of 167 minutes. However,Oppenheimerpresented a new challenge.

The sheer weight of the film reel forOppenheimerreached the absolute limits of IMAX projectors designed for movies shot on film. Reportedly, the film reel weighs 600 lbs and has a distance of 11 miles stretched out. Nolan explained that discussions with IMAX had led to engineering wider platters over the years.

Cillian Murphy in behind the scenes on the sets of Oppenheimer

But forOppenheimer, he approached IMAX with a 180-page script for a precisely three-hour movie, questioning if it could be accommodated. After careful consideration, IMAX determined that it could be achieved, though pushing the arm holding the platter to its limits.

READ MORE:“Can’t help but feel a little bit iced out”: Robert Downey Jr Hated Oppenheimer Co-Star Cillian Murphy Changing Personalities When the Camera Rolled

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Fans react toOppenheimerchallenging IMAX’s limits

According to Nolan, the runtime ofOppenheimerrepresents the outer limit for IMAX film prints. The wider platters engineered over the years allowed for extended runtime, but withOppenheimer, the arm holding the platter reached its maximum capacity. Therefore, this film stands as the ultimate length a movie can be projected using IMAX film prints. Nolan said,

“I went to them and I said, “Okay, I’ve got a 180-page script. That’s a three-hour movie on the nose. Can it be done?” We looked at it, they looked at the platters, and they came to the conclusion that it could just be done [laughs]. They’re telling me this is the absolute limit because now the arm that holds the platter went right up against it. So, this, I think, is finally the outer limit of running time for an IMAX film print.”

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And reacting to the challenges faced by the movie, fans joked on Twitter,

I’m gonna need a bigger Blu-ray player 👀

— David Thomas (@nevereverDave)July 12, 2025

I have a feeling it’ll break or malfunction in some screenings

— Shayan🇮🇷 (@AyugaWind)Jun 08, 2025

OMG! It’s like a spaceship! 🤯#Oppenheimer

— Mucho Movies (@MuchoMovies)August 24, 2025

Nolan is becoming that over indulgent guitarist who plays that 15+ minute solo in a concert.pic.twitter.com/PeNc327O8k

— The Kitchen Sink (@JediRyan2)June 30, 2025

Nolan is so goofy

— 27poker 🏴‍☠️ (@the27poker)June 24, 2025

Aside from Christopher Nolan’s extensive vision,Oppenheimerboasts a star-studded ensemble cast. AlongsideCillian Murphyin the titular role, the film featuresMatt Damon, Emily Blunt,Robert Downey Jr., Florence Pugh, Jack Quaid, Benny Safdie, Rami Malek, Dane DeHaan, Josh Hartnett, Matthew Modine, Kenneth Branagh, David Krumholtz, Michael Angarano, and Alden Ehrenreich.

READ MORE:“I couldn’t go along with that, obviously”: Oppenheimer Star Cillian Murphy Had a Major Disagreement With Real Scientists for a Personal Reason

Oppenheimer is set to explode onto screens on July 21, offering audiences a captivating cinematic experience. Despite the challenges posed by the film’s length, Christopher Nolan’s innovative filmmaking and IMAX adaptations have ensured that viewers can immerse themselves in this ambitious and boundary-pushing project.

Source:Collider

Devyani Sharma

Articles Published :288

With a portfolio of over 600 articles, Devyani Sharma is a freelance writer working in the Entertainment and Sports niche. With a Master’s Degree in English literature, Devyani places great importance on the power of words and their ability to connect with readers. When not busy watching sci-fi movies, action thrillers and comedies, Devyani indulges in her love for fiction novels and writing about NASCAR races.

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Christopher NolanCillian MurphyOppenheimer