What is the difference between 35mm and 70mm

As McLaren says, "There's a reason why there are so many editing-effects plugins to make your video look like film. It takes a little extra work to see a 70mm movie on the big screen, but not as much as you might think. Though your typical multiplex might not be capable of projecting the format, many IMAX theaters are. IMAX Corporation even persuaded its theaters that were in the midst of switching from film to digital projection to hold onto their old equipment in anticipation of Interstellar.

Some indie theaters also make the effort to provide classic 70mm content all year long. Ultimately, theaters know these films are worth the effort. It's just a matter of whether the audience will agree. Sarah Gorr is a travel editor. BY: Sarah Gorr Jul 23, What is 70mm film?

If it's so much better, why aren't more films shot in 70mm? The most widely used film for still imagery and film production is 35 mm. Prior to its recognition as the international standard film gauge in , cinemas used film ranging in width from 13 mm to 75 mm.

Unlike 70 mm film, 35 mm film can be used in the majority of theaters around the world Over the last years, the film strip has been redesigned to incorporate sound and color.

This film sizehas been designed to create a 1. The 70 mm film features a high-resolution image that allows for increased image clarity at larger projected screen sizes. In Japan, for example, there are 71 theaters with 70mm projectors. Korea has five such houses and Formosa two, with Thailand and Okinawa each having one. There are twelve in Paris. In many small towns and outlying areas the world over, portable 70mm projectors are being used.

The United Kingdom has many 70mm installations, including seven in London and one or two each in 28 other cities. In many foreign countries there are rigid ceilings on admission prices for 35mm presentations, but a considerable increase is allowed for 70mm showings. In Mexico, for example, the official government-controlled admission for a 35mm screening is four pesos 32 cents, American , but an increase to eight pesos is permitted when the film is in 70mm.

This means that American producers can look forward to greatly in creased revenue from foreign releases now that an inexpensive, and technically excellent, method is available for obtaining high-quality 70mm prints of pictures shot in Panavision The availability of such prints should, in turn, spur an even greater increase in the number of 70mm installations worldwide.

According to Robert E. Gottschalk, president of Panavision, Inc. In the print-up process, a standard Panavision 35 negative is run through a highly sophisticated optical printing system developed by Panavision to reproduce faithfully every last bit of definition available on the original. The optical printer de-anamorphoses "unsqueezes" the image on the negative frame and enlarges it from four holes in height to five, printing on 70mm release positive stock.

Many viewers, thinking in terms of the fuzzy blow-ups usually obtained in enlarging from 16mm to 35mm, are amazed at the sharpness of the result in print-up from 35mm to 70mm. However, the physical equations involved are vastly different. The Panavision 35mm negative encompasses, with the exception of the sound track strip, the total area of the frame as opposed to the much smaller "Academy aperture" frame. This, of course, results in a much sharper screen image in proportion to the area of the positive frame - and infinitely greater resolution than is possible in blow-ups from 16mm to 35mm.