16 mm film
16 mm film is a historically popular and economical gauge of film. 16 mm refers to the width of the film; other common film gauges include 8 and 35 mm. It is generally used for non-theatrical (e.g., industrial, educational) film-making, or for low-budget motion pictures. It also existed as a popular amateur or home movie-making format for several decades, alongside 8 mm film and later Super 8 film. Eastman Kodak released the first 16 mm "outfit" in 1923, consisting of a camera, projector, tripod, screen and splicer, for $335. RCA-Victor introduced a 16 mm sound movie projector in 1932, and developed an optical sound-on-film 16 mm camera, released in 1935.
- 1 History
- 2 Format standards
- 3 Modern usage
- 4 Cameras
- 5 Film reproduction methods
- 6 Technical specifications
- 7 See also
- 8 References
- 9 External links
Eastman Kodak introduced 16 mm film in 1923, as a less expensive alternative to 35 mm film for amateurs. During the 1920s, the format was often referred to as sub-standard by the professional industry.
Kodak hired Willard Beech Cook from his 28 mm Pathescope of America company to create the new 16 mm 'Kodascope Library'. In addition to making home movies, people could buy or rent films from the library, a key selling aspect of the format.
Intended for amateur use, 16 mm film was one of the first formats to use acetate safety film as a film base. Kodak never used nitrate film for the format, owing to the high flammability of the nitrate base. 35 mm nitrate was discontinued in 1952.
The silent 16 mm format was initially aimed at the home enthusiast, but by the 1930s it had begun to make inroads into the educational market. The addition of optical sound tracks and, most notably, Kodachrome in 1935, gave an enormous boost to its popularity. The format was used extensively during World War II, and there was a huge expansion of 16 mm professional filmmaking in the post-war years. Films for government, business, medical and industrial clients created a large network of 16 mm professional filmmakers and related service industries in the 1950s and 1960s. The advent of television production also enhanced the use of 16 mm film, initially for its advantage of cost and portability over 35 mm. At first used as a news-gathering format, the 16 mm format was also used to create television programming shot outside the confines of the more rigid television studio production sets. The home movie market gradually switched to the even less expensive 8 mm and Super 8 mm film formats.
16 mm, using light cameras, was extensively used for television production in many countries before portable video cameras appeared. In Britain, the BBC's Ealing-based film department made significant use of 16mm film and, during its peak, employed over 50 film crews. Throughout much of the 1960s-1990s period, these crews made use of cameras such as the Arriflex SP and Eclair NPR in combination with quarter-inch sound recorders, such as the Nagra III. Using these tools, film department crews would work on some of the most significant programmes produced by the BBC, including Man Alive, Panorama and Chronicle. Usually made up of five people, these small crews were able to work incredibly efficiently and, even in hostile environments, were able to shoot an entire programme with a filming ratio of less than 5:1.
Replacing analog video devices, digital video has made significant inroads in television production use. Nevertheless, 16 mm is still in use in its Super 16 ratio (see below) for low-cost productions.
Two perforation pitches are available for 16 mm film. One specification, known as "long pitch", has a spacing of 7.62 mm (0.300 in) and is used primarily for print and reversal film stocks. Negative and intermediate film stocks have perforations spaced 7.605 mm (0.2994 in), known as "short pitch". These differences allow for the sharpest and smoothest possible image when making prints using a contact printer.
Film stocks are available in either 'single-perf' or 'double-perf', meaning the film is perforated on either one or both edges. A perforation for 16 mm film is 1.829 mm × 1.27 mm (0.0720 in × 0.0500 in) with a radius curve on all four corners of 0.25 mm (0.0098 in). Tolerances are ±0.001 mm (4×10−5 in).
Standard 16 mmEdit
The picture-taking area of standard 16 mm is 10.26 mm × 7.49 mm (0.404 in × 0.295 in), an aspect ratio of 1.37:1, the standard pre-widescreen Academy ratio for 35 mm. The "nominal" picture projection area (per SMPTE RP 20-2003) is 0.380 in by 0.284 in, and the maximum picture projection area (per SMPTE ST 233-2003) is 0.384 in by 0.286 in, each implying an aspect ratio of 1.34:1. Double-perf 16 mm film, the original format, has a perforation at both sides of every frame line. Single-perf is perforated at one side only, making room for an optical or magnetic soundtrack along the other side.
Super 16 mmEdit
The variant called Super 16 mm, Super 16, or 16 mm Type W is an adaptation of the 1.66 aspect ratio of the "Paramount format" to 16 mm film. It was developed by Swedish cinematographer Rune Ericson in 1969, using single-sprocket film and taking advantage of the extra room for an expanded picture area of 12.52 mm × 7.41 mm (0.493 in × 0.292 in).
Super 16 cameras are usually 16 mm cameras that have had the film gate and ground glass in the viewfinder modified for the wider frame, and, since this process widens the frame by affecting only one side of the film, the various cameras' front mounting plate or turret areas must also be re-machined to shift and re-center the mounts for any lenses used. Because the resulting, new, Super 16 aspect-ratio takes up the space originally reserved for the 16mm soundtrack, films shot in this format must be enlarged by optical printing to 35 mm for sound-projection, and, in order to preserve the proper 1.66:1, or (slightly cropped) 1.85:1 theatrical aspect ratios which this format was designed to provide. And, with the recent development of digital intermediate workflows, it is now possible to digitally enlarge to a 35 mm sound print with virtually no quality loss (given a high quality digital scan), or alternatively to use high-quality video equipment for the original image capture.
In 2009, German lens manufacturer Vantage introduced a series of anamorphic lenses under its HAWK brand. These provided a 1.3× squeeze factor (as opposed to the standard 2×) specifically for the Super 16 format. These lenses let camera operators use the entire Super 16 frame for 2.39:1 widescreen photography.
Ultra 16 mmEdit
The DIY-crafted Ultra 16 is a variation of Super 16. Cinematographer Frank G. DeMarco is credited with inventing Ultra 16 in 1996 while shooting tests for Darren Aronofsky's Pi. Ultra 16 is created by widening the left and right sides of the gate of a standard 16 mm camera by 0.7 mm to expose part of the horizontal area between the perforations. Perforation placement on standard 16 mm film (on the one side [or, both sides, when using double-perf film] of the divisions between frames) accommodates use of these normally unexposed areas.
The Ultra 16 format, with frame dimensions of 11.66 mm × 6.15 mm (0.459 in × 0.242 in), provides a frame size between standard 16 mm and Super 16—while avoiding the expense of converting a 16 mm camera to Super 16, the larger lens-element requirements for proper aperture field coverage on Super 16 camera conversions, and, the potential image vignetting caused by trying to use some "conventional" 16 mm lenses on those Super 16 converted cameras. Thus, almost all standard 16 mm optics can now achieve the wider image in Ultra 16, but without the above pitfalls and optical "shortcomings" encountered when attempting their use for Super 16.
The image readily converts to NTSC/PAL (1.33 ratio), HDTV (1.78 ratio) and to 35 mm film (1.66 [European] and 1.85 wide screen ratios), using either the full vertical frame, or the full width (intersprocket) frame, and at times, portions of both, depending upon the required application.
The two major suppliers of 16 mm film today[when?] are Kodak and Agfa (Fuji closed its film manufacturing facility on 31 December 2012). 16 mm film is used in television, such as for the Hallmark Hall of Fame anthology (it has since been produced in 16:9 high definition) and Friday Night Lights and The O.C. as well as The Walking Dead in the US. In the UK, the format is exceedingly popular for television series such as "Doc Martin", dramas and commercials. The British Broadcasting Corporation (BBC) played a large part in the development of the format. It worked extensively with Kodak during the 1950s and 1960s to bring 16 mm to a professional level, since the BBC needed cheaper, more portable production solutions while maintaining a higher quality than was offered at the time, when the format was mostly for home display of theatrical shorts, newsreels, and cartoons, documentary capture and display for various purposes (including education), and limited "high end" amateur use. Today[when?] the format also is frequently used for student films, while usage in documentary has almost disappeared. With the advent of HDTV, Super 16 film is still used for some productions destined for HD. Some low-budget theatrical features are shot on 16 mm and super 16 mm such as Kevin Smith's 16 mm 1994 independent hit Clerks, or Man Bites Dog, and Mid90s.
Thanks to advances in film stock and digital technology—specifically digital intermediate (DI)—the format has dramatically improved in picture quality since the 1970s, and is now a revitalized option. Vera Drake, for example, was shot on Super 16 mm film, digitally scanned at a high resolution, edited and color graded, and then printed out onto 35 mm film via a laser film recorder. Because of the digital process, the final 35 mm print quality is good enough to fool some professionals into thinking it was shot on 35 mm.
In Britain most exterior television footage was shot on 16 mm from the 1960s until the 1990s, when the development of more portable television cameras and videotape machines led to video replacing 16 mm in many instances. Many drama shows and documentaries were made entirely on 16 mm, notably Brideshead Revisited, The Jewel in the Crown, The Ascent of Man and Life on Earth. More recently, the advent of widescreen television has led to the use of Super 16. For example, the 2008/09 BBC fantasy drama series Merlin was shot in Super 16.
The BBC considers Super16 a standard definition film format, but other broadcasting and production companies may have different outlook. In particular, Scrubs has been shot on Super16 from the start and is aired either as 4:3 SD (first 7 seasons) or as 16:9 HD (seasons 8 and 9). John Inwood, the cinematographer of the series, believed that footage from his Aaton XTR Prod camera was not only sufficient to air in high definition, it "looked terrific." However, the BBC has recently[when?] announced that it would no longer accept 16 mm as an origination format for High Definition video transfer.
The first two seasons of Buffy the Vampire Slayer were shot on 16 mm and was switched to 35 mm for its later seasons.
The first season of the popular series Sex and the City was shot on 16 mm. Later seasons were shot on 35 mm. All three seasons of Veronica Mars were shot on 16 mm and aired in HD. This Is Spinal Tap, and Christopher Guest's subsequent mockumentary films, are shot in Super 16 mm.
The first three seasons of Stargate SG-1 (bar the season 3 finale and the effects shots) were shot in 16 mm, before switching to 35 mm for later seasons.
The 2009 Academy Award winner for Best Picture, The Hurt Locker, was shot using Aaton Super 16 mm cameras and Fujifilm 16 mm film stocks. The cost savings over 35 mm allowed the production to utilize multiple cameras for many shots, exposing over 1,000,000 feet of film.
British Napoleonic era drama Sharpe (TV series) was shot on Super 16 mm right through to the film Sharpe's Challenge (2006). For the last film in the series, Sharpe's Peril (2008), the producers switched to 35 mm.
Moonrise Kingdom was shot using super 16 mm.
Digital 16 mmEdit
A number of digital cameras approximate the look of the 16 mm format by using 16 mm-sized sensors and taking 16 mm lenses. These cameras include the Ikonoskop A-Cam DII (2008) and the Digital Bolex (2012). The Blackmagic Pocket Cinema Camera (2013) has a Super 16-sized sensor.
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Today,[when?] the professional industry tends to use 16 mm cameras from Aaton and Arri, most notably the Aaton Xtera, Aaton XTRprod, Arriflex 16SR3, and Arriflex 416. Aaton also released the A-Minima, which is about the size of a video camcorder and is used for specialized filming requiring smaller, more versatile cameras. Photo Sonics have special extremely high speed cameras for 16 mm that film at up to 1,000 frames per second. Panavision has produced the Panaflex 16, nicknamed "Elaine".
For amateur, hobbyist, and student use, it is more economical to use older models from Arri, Aaton, Auricon, Beaulieu, Bell and Howell, Bolex, Canon, Cinema Products, Eclair, Keystone, Krasnogorsk, Mitchell, and others.
Film reproduction methodsEdit
Most original movie production companies that use film shoot on 35 mm. The 35 mm size must be converted or reduced to 16 mm for 16 mm systems. There are multiple ways of obtaining a 16 mm print from 35 mm. The preferred method is to strike a 16 mm negative from the original 35 mm negative and then make a print from the new 16 mm negative. A 16 mm negative struck from the original 35 mm negative is called an original. A new 16 mm print made from a print with no negative is called a reversal. 16 mm prints can be made from many combinations of size and format, each with a distinct, descriptive name:
- A 16 mm negative struck from an original 35 mm print is a print down.
- A 16 mm negative struck from an original 16 mm print that was struck from a 35 mm original is a dupe down.
- A 16 mm print struck directly from a 16 mm print is a double dupe.
- A 16 mm print struck directly from a 35 mm print is a double dupe down.
Film traders often refer to 16 mm prints by the print's production method, i.e., an original, reversal, dupe down, double dupe, or double dupe down.
Color fading of old film and color recoveryEdit
Over time, the cyan, magenta and yellow dyes that form the image in color 16 mm film inevitably fade. The rate of deterioration depends on storage conditions and the film type. In the case of Kodachrome amateur and documentary films and Technicolor IB (imbibition process) color prints, the dyes are so stable and the deterioration so slow that even prints now over 70 years old typically show no obvious problems.
Unfortunately, dyes in the far more common Eastmancolor print film and similar products from other manufacturers are notoriously unstable. Prior to the introduction of a longer-lasting "low fade" type in 1979, Eastmancolor prints routinely suffered from easily seen color shift and fading within ten years. The dyes degrade at different rates, with magenta being the longest-lasting, eventually resulting in a pale reddish image with little if any other color discernible.
In the process of digitizing old color films, even badly faded source material can sometimes be restored to full color through digital techniques that amplify the faded dye colors.
- 7.62 mm per frame (40 frames per foot) for print stock—7.605 mm per frame for camera stock
- 122 m (400 feet) = about 11 minutes at 24 frame/s
- vertical pulldown
- 16 mm
- 1.37 aspect ratio
- enlarging ratio of 1:4.58 for 35 mm Academy format prints
- camera aperture: 10.26 by 7.49 mm (0.404 by 0.295 in)
- projector aperture: 9.65 by 7.21 mm (0.380 by 0.284 in)
- projector aperture (1.85): 9.60 by 5.20 mm (0.378 by 0.205 in)
- TV station aperture: 9.65 by 7.26 mm (0.380 by 0.286 in)
- TV transmission: 9.34 by 7.01 mm (0.368 by 0.276 in)
- TV safe action: 8.40 by 6.29 mm (0.331 by 0.248 in); corner radii: 1.67 mm (0.066 in)
- TV safe titles: 7.44 by 5.61 mm (0.293 by 0.221 in); corner radii: 1.47 mm (0.058 in)
- 1 perforation per frame (may also be double perf, i.e. one on each side)
- Picture to sound separation: sound in advance of picture by 26 frames for optical sound and 28 frames for magnetic.
- Super 16
- 1.66 aspect ratio
- camera aperture: 12.52 by 7.41 mm (0.493 by 0.292 in)
- projector aperture (full 1.66): 11.76 by 7.08 mm (0.463 by 0.279 in)
- projector aperture (1.85): 11.76 by 6.37 mm (0.463 by 0.251 in)
- 1 perforation per frame, always single perf
- Ultra 16
- 1.85 aspect ratio
- camera aperture: 11.66 mm by 7.49 mm (0.459 by 0.295 in)
- projector aperture: 11.66 mm by 6.15 mm (0.459 by 0.242 in)
- 1 perforation per frame (may also be double perf, i.e. one on each side)
- Related film genres
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- Demonstration of a BBC 16mm film crew preparing to shoot
- Discussion and demonstration of 16mm film cameras by former BBC cameraman
- Demonstration of 'lacing up' a 16mm film camera
- History of sub-35 mm Film Formats & Cameras
- SUPER-16 modification of Bolex Reflex 16 mm camera
- "Sweet 16: A-list Cinematographers Say the Emulsion’s Never Looked So Good, Here’s Why...", written February 1, 2005, and accessed December 29, 2005.
- DIY processing 16 mm – guide for DIY processing of black/white 16 mm film
- Early list of films shot in Super16