70mm film is a higher quality film than digital, providing a richer visual experience and extremely detailed images. However, the equipment to transport, store, and play 70mm film is expensive, bulky, and difficult to manipulate. Digital film is easier to transport, store, and manipulate, and can be crunched down to whatever size is most convenient without losing much resolution.
The battle between old-school nostalgia and modern gadgetry has been raging for centuries, but it seems to have reached a fever pitch in recent decades, given our rapid improvements in technology, increase in consumer demand, and cultural divides between old and new. Vinyl or MP3? Satellite or cable? Books or Kindles? Batman or Superman?
This struggle between modernity and tradition is particularly obvious in the world of film, where aging film buffs and modern indie film fans frequently duke it out over which type of film is better – 35 mm, 24mm, 70mm, IMAX, digital…?
With the recent resurgence of throwback film techniques (most notably, Quentin Tarantino’s use of 70mm film to shoot his 2015 western thriller The Hateful Eight – see the clip above), a whole new generation of people are being exposed to some nearly forgotten film styles, and an ancient debate is heating up once again.
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As the advertisements for Tarantino’s latest film proudly proclaimed, the movie would be available for viewing in “Glorious 70mm – Ultra Panavision 70”, and most people had no idea what they meant. Well, 70mm is just another variety of analogue film, more specifically, a film reel with frames that are 70mm in width. The gauge for most motion pictures is 35mm, and while most movies are still wonderful to watch, the difference when you jump to a 70mm gauge is quite noticeable.
Improvement In Resolution And Aspect Ratio
The resolution of 70mm film is much better than 35mm, providing a richer visual experience and extremely detailed images that are a joy to watch. This type of film also changes the aspect ratio of the film, stretching it to a wider 2.2:1 ratio, rather than the typical 1.35:1 (known as the Academy ratio) or 16:9 (widescreen ratio). This makes 70mm films ideal for larger and wider screens (for example, IMAX films shoot on a special type of 70mm film).
Now, it’s important to remember that Tarantino is far from the first person to use 70mm film for a movie; in fact, the technology dates back to the very beginning of cinema. Throughout film history, when a director wanted to shoot an epic film, such as Ben-Hur or Lawrence of Arabia, they would choose to shoot on 70mm film. This was perfect for the Panavision movie palaces that featured extremely wide screens and could accommodate the wider image of these early “blockbusters”. However, as the decades passed, movie theaters evolved (and shrank), the popularity of the lighter and less expensive 35mm film grew, and 70mm film fell from popularity, despite its undeniably better quality.
The equipment to transport, store, and play 70mm film was expensive, bulky, and difficult to manipulate, as were the cameras used to shoot with that type of film. Today, there are limited resources in terms of projectors that can play 70mm film, let alone projectionists trained to expertly show these types of films on a regular basis.
Essentially, 35mm film did to 70mm film what digital film is currently doing to 35mm film… making it obsolete. 35mm film was more manipulable for different formats, and could be squeezed and bent more easily without distortion, unlike 70mm film.
The Digital Revolution
Traditional motion pictures are recorded on analog film frames, whereas digital film is recorded as digital video images. That is a fundamental difference that creates a very different visual experience for movie-goers who prefer “the real thing”. Digital film is captured like a digital photograph, using light sensors and digital receptors to resolve the image, but that’s only the very basic version.
HD To 4k
High-definition video (Hi-def) has even better resolution, and this has since been followed up by 2K and 4K, creating an arms race to create the most incredibly clear and detailed movies on the market. Digital film is useful and preferred in many instances because it can be crunched down to whatever size is most convenient, without losing much resolution. For example, a new movie that is shot on digital film, rather than celluloid film, can be manipulated and shrunk to fit on the screen of a tablet or smartphone without compromising picture quality.
In a mobile, device-oriented society, this flexible capability makes it more profitable and sensible for most directors to shoot films in a digital format. Even most old movies have been re-recorded in digital formats for that same reason – ease of distribution and consumption.
One might think that with our ever-advancing digital technology, the resolution would be far better in a high-definition digital film, making the discussion of 70mm vs. digital superfluous. However, high-format celluloid films (70mm) have relatively comparable, if not better, resolution than high-definition digital films. There is also an authentic edge to old-school cinematography, which is often lost in the glossy, sterile, and polished appearance of digital projection.
While neither of these two formats can be called “better” than the other, the decision of whether to support or see a digital film vs. a 70mm film truly comes down to personal preference. For traditional film lovers, a movie shot in 70mm will always be superior to the plasticized images of a digital film, whereas superhero blockbuster fans are almost certainly digital film supporters, considering those CGI effects and epic battle scenes would likely be impossible without digital magic!
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