RKMBs Forums .::Robegories::. Media Batman: The Dark Knight casting, news and rumors

For the new movie, his designers built a full-size, working motorbike called the Batpod, which zips around on two fat spheroid wheels. According to star Christian Bale, it's a cruel mistress; only one stuntman managed to stay in the saddle. "If you ride it like a bike, you won't be riding it very long," the actor says, speaking from painful experience. But spills aside, Bale definitely caught Nolan's naturalism bug: When he heard that his stunt double, Buster Reeves, was prepping for an aerial shot atop the Sears Tower, he pulled rank. "I said to Buster, 'No you're not. You get to do a lot of fantastic stunts. You're not taking that one away from me.'"

"So we got an Imax shot of Christian Bale as Batman standing on top of the Sears Tower," Pfister says. "Here we are with our principal actor standing on the edge of one of the tallest buildings in the world. I think a lot of people will assume that's CGI." Perhaps, but when you see the shot (featured in the first trailer), your eye instinctively detects something different, something thrilling and rare: photographic reality.

Settling for anything less, Nolan feared, would send the Batman franchise back into camp and mummery. That's why he transported his hero to the very real city of Hong Kong. Unfortunately, the real world has its drawbacks. "The Chinese government was a nightmare in terms of filming stuff," Pfister sighs. "They wanted to limit the amount of helicopter activity over the city."

And Nolan needed helicopters. He especially wanted to minimize digital meddling in those high-altitude Imax sequences. His reasons were both aesthetic and practical: Imax film stock is enormous, roughly 10 times the size of 35-mm celluloid, and it soaks up a vast amount of visual information. Those dimensions are what make the image so rich and sharp, even spread over a screen the size of a blimp hangar. While conventional films are digitized at 2K resolution (2,000 pixels across), or 4K at most, adding visual effects to Imax footage requires digitizing each frame at up to 8K. In other words, the difficulty and expense of doing f/x rise exponentially with the size of the negative.

But even superheroes and movie directors sometimes have to compromise: In the end, Chinese authorities refused to budge, and the skyscraper jump was digitized. (But the C-130 preparing to snatch Batman into the sky? That's real.) "Sometimes you do end up replacing a filmed shot with visual effects," Nolan says. "And there's kind of a see-I-told-you-so among the effects guys. But if we had started out with that, it wouldn't have looked the same. Because we photographed something, we have a benchmark standard to hold to, even if we change things. Even the film's CG shots are rooted in some kind of photographic reality." For instance, Nolan adds a layer of actual human-generated camera-operating motions to digital effects shots — kind of like deliberately scratching the negative. He says it restores "the human element of choice: the little corrections, little imperfections. Certain uncertainties."