Commentary: In a digital world, 'Knight' took the film route

July 16, 2008 From chilling close-ups of Heath Ledger's Joker to heart-pounding aerial photography, few summer tentpoles have attracted filmmakers' attention like Christopher Nolan's landmark addition to the Batman franchise. ' "The Dark Knight," which opens Friday, takes the film route, in part using Imax 65mm film cameras -- a first for a Hollywood production -- while shooting the rest of the movie in anamorphic 35mm. A 100-pound Imax camera might look as much like a contraption developed for Batman at Wayne Industries as it does a filmmaking device.

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