Nolan and Oscar-winning cinematographer Wally Pfister pioneered the use of Imax 70mm photography in feature filmmaking on the production, marking The Dark Knight as the first major feature to utilise Imax cameras.
Nolan had previously tested the possibilities of the format's massive scale and increased resolution with an Imax digital remastering of Batman Begins.
In the years since, movies such as Transformers: Revenge of the Fallen, Mission: Impossible - Ghost Protocol, Star Trek Into Darkness and Star Wars: The Force Awakens have followed suit, not to mention Nolan's own The Dark Knight Rises, Interstellar and Dunkirk.
Released on July 18, 2008, The Dark Knight became, at the time, just the fourth film to ever cross the $1 billion mark at the worldwide box office. It scored north of $533 million stateside and still sits in the all-time domestic top 10.
The film was nominated for eight Academy Awards and won two, including a posthumous supporting actor Oscar for Heath Ledger's memorable performance as the Joker.
A few months before his death, Ledger had finished filming The Dark Knight. Ledger died on 22 January 2008 from an accidental intoxication from prescription drugs.
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