This is a roll of IMAX 70mm film with 4 minutes of content : r/imax

Oppenheimer in IMAX 70mm

IMAX Scene Before

In a digital age, Interstellar unspools on film stock - CBS News

Master of IMAX: Christopher Nolan's Costly Pursuit of Perfection - Ci-Lovers

Oppenheimer in IMAX is so good that it might have ruined the film forever

Oppenheimer' 70mm IMAX Print Is So Big, Theaters Need to Build Around It

Oppenheimer IMAX Run Extended Due to Popular Demand - The Credits

Dolby Cinema vs. IMAX, head to head - Cantech Letter

Grand Rapids IMAX theater's 'Oppenheimer' film repaired