In the 14-minute National Geographic 3-D film, Titanic: The Real Deal, photographer Emory Kristof narrates as viewers glide over the length of the legendary wreck. Images from the film helped inspire director James Cameron to use similar photographic technology when filming Titanic. Real Deal is not currently in theaters, but you may view scenes of its filming—and of the Titanic itself—by clicking the photos at right.     TITANIC IMAGES INTRODUCTION | MORE