VIDEO - digital contra analogic (fisier contra pelicula)
Posted: 12 May 2016, 11:25
https://www.quora.com/How-does-4k-cinem ... -70mm-film" onclick="window.open(this.href);return false;How does 4k cinema compare to 70mm film?
In a practical sense, this question doesn't matter. This is because 70mm is going to go away as is all film for full length movies. They simply cost too much to produce, print and distribute. a two-hour movie, in 3D, will cost about $60,000 to make a single print on 70mm film. The cost is double that of a 2D movie, because two prints are needed for 3D, one for each eye. This is compared to virtually zero cost to make a distributable copy of a digital film, and there is no extra cost for a 3D movie in digital.
Next, consider the production costs for 70mm film. The cameras are very large and heavy. A few years ago, a documentary crew shooting in the jungles of south america had to build a 100 ft. pier to unload their 70mm cameras from a ship. Digital cameras can be carried with one hand in a small case.
Moreover, any film print deteriorates over time and use. The film will be scratched each time it goes through a projector, and the film tends to break, and then has to be spliced together. If it is a 3D movie, both reels have to be spliced at the same point in the movie if a frame is lost due to the break. A digital copy lasts forever and does not deteriorate with use.
No matter how much Christopher Nolan likes the appearance of 70mm film, there is no way this technology can be sustained much longer.
A few years ago I witnessed a side-by-side comparison of 70mm film and digital projection in a large Imax theatre. The same movie was shown simultaneously in digital and from a film print. The brightness of each image was carefully measured and adjusted so they were the same. The images were cropped so that they each filled opposite halves of the screen. Most of the audience, and me included, preferred the digital image. Most noticeable was the whites were really white in digital and were yellow in 70mm film. The resolution difference was not noticeable to the average viewer. I also felt the color contrast was greater in digital.
There are still purists who insist that 70mm is far superior to digital projection, but they are in the vast minority. If you are one of those people, you would not have asked this question, nor would you be reading the answers!
Written 13 Dec 2015