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133-436: Although filmmaking originally involved the use of film , most film productions are now digital . Today, filmmaking refers to the process of crafting an audio-visual story commercially for distribution or broadcast. Film production consists of five major stages: The development stage contains both general and specific components. Each film studio has a yearly retreat where their top creative executives meet and interact on

266-428: A PET (polyethylene terephthalate) plastic film base. Films with a triacetate base can suffer from vinegar syndrome , a decomposition process accelerated by warm and humid conditions, that releases acetic acid which is the characteristic component of vinegar, imparting the film a strong vinegar smell, accelerating damage within the film and possibly even damaging surrounding metal and films. Films are usually spliced using

399-399: A basic story idea that utilizes the concept given by studio executives. Often it is a competition with several pairings meeting with studio executives and "pitching" their "take". Very few writing jobs are from original ideas brought to studios by producers or writers. Perhaps one movie a year will be a "spec" script that was purchased. Once the producer and writer have sold their approach to

532-420: A cast and crew of hundreds, while a low-budget, independent film may be made by a "skeleton crew" of eight or nine (or fewer). These are typical crew positions: In production, the film is created and shot. In this phase, it is key to keep planning ahead of the daily shoot. The primary aim is to stick to the budget and schedule, which requires constant vigilance. More crew will be recruited at this stage, such as

665-464: A certain appeal of the film to a possible audience. Not all films make a profit from the theatrical release alone, however, the studio mainly targets the opening weekend and the second weekend to make most domestic profits. Occasionally, a film called a "word of mouth film" does not market strongly but its success spreads by word of mouth. It slowly gains its audience. These are special circumstances and these films may remain in theaters for 5 months while

798-447: A certain filter, assume ISO 25 under daylight and ISO 64 under tungsten lighting"). This allows a light meter to be used to estimate an exposure. The focal point for IR is slightly farther away from the camera than visible light, and UV slightly closer; this must be compensated for when focusing. Apochromatic lenses are sometimes recommended due to their improved focusing across the spectrum. Film optimized for detecting X-ray radiation

931-419: A color film, the by-products of the development reaction simultaneously combine with chemicals known as color couplers that are included either in the film itself or in the developer solution to form colored dyes. Because the by-products are created in direct proportion to the amount of exposure and development, the dye clouds formed are also in proportion to the exposure and development. Following development,

1064-408: A complex development process, with multiple dyeing steps as each color layer was processed separately. 1936 also saw the launch of Agfa Color Neu, the first subtractive three-color reversal film for movie and still camera use to incorporate color dye couplers, which could be processed at the same time by a single color developer. The film had some 278 patents. The incorporation of color couplers formed

1197-424: A faster film. A film with a particular ISO rating can be push-processed , or "pushed", to behave like a film with a higher ISO, by developing for a longer amount of time or at a higher temperature than usual. More rarely, a film can be "pulled" to behave like a "slower" film. Pushing generally coarsens grain and increases contrast, reducing dynamic range, to the detriment of overall quality. Nevertheless, it can be

1330-435: A feature that was eventually adapted by all camera and film manufacturers. DX encoding provides information on both the film cassette and on the film regarding the type of film, number of exposures, speed (ISO/ASA rating) of the film. It consists of three types of identification. First is a barcode near the film opening of the cassette, identifying the manufacturer, film type and processing method ( see image below left ). This

1463-465: A few special applications as an alternative to the hazardous nitrate film, which had the advantages of being considerably tougher, slightly more transparent, and cheaper. The changeover was completed for X-ray films in 1933, but although safety film was always used for 16 mm and 8 mm home movies, nitrate film remained standard for theatrical 35 mm films until it was finally discontinued in 1951. Hurter and Driffield began pioneering work on

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1596-538: A film, create and edit the sound and music, and mix the final cut on a home computer. However, while the means of production may be democratized, financing, traditional distribution, and marketing remain difficult to accomplish outside the traditional system. In the past, most independent filmmakers have relied on film festivals (such as Sundance Film Festival , Venice Film Festival , Cannes Film Festival , and Toronto International Film Festivals ) to get their films noticed and sold for distribution and production. However,

1729-441: A freelance job held by recent university graduates, does not feed scripts into the system that are ready for production nor already produced. "Coverage" is a way for young screenwriters to be read and their ideas might make their way up to an executive or famous producer and result in "meet and greets" where relations with up-and-comers can be formed. But it has not historically yielded ideas studios pursue into production. The studio

1862-430: A green light may have protracted difficulties in making the transition to pre-production and enter a phase referred to as developmental hell for extended period of time or until developmental turnaround . Analogous to almost any business venture, financing of a film project deals with the study of filmmaking as the management and procurement of investments . It includes the dynamics of assets that are required to fund

1995-528: A linear response through the effective exposure range). The sensitivity (i.e., the ISO speed) of a film can be affected by changing the length or temperature of development, which would move the H&;D curve to the left or right ( see figure ). If parts of the image are exposed heavily enough to approach the maximum density possible for a print film, then they will begin losing the ability to show tonal variations in

2128-401: A list of master shots. However, screenwriters soon began to add the shot-by-shot details that characterized continuities of the films of the later silent era. Casablanca (1942), is written in this style, with detailed technical instructions interwoven with dialogue. The first use of the term "screenplay" dates to this era; the term "screen play" (two words) was used as early as 1916 in

2261-462: A number of disadvantages as a scientific detector: it is difficult to calibrate for photometry , it is not re-usable, it requires careful handling (including temperature and humidity control) for best calibration, and the film must physically be returned to the laboratory and processed. Against this, photographic film can be made with a higher spatial resolution than any other type of imaging detector, and, because of its logarithmic response to light, has

2394-571: A result, the relative tonal values in a scene registered roughly as they would appear if viewed through a piece of deep blue glass. Blue skies with interesting cloud formations photographed as a white blank. Any detail visible in masses of green foliage was due mainly to the colorless surface gloss. Bright yellows and reds appeared nearly black. Most skin tones came out unnaturally dark, and uneven or freckled complexions were exaggerated. Photographers sometimes compensated by adding in skies from separate negatives that had been exposed and processed to optimize

2527-405: A single brad at the top left-hand side of the page, making flicking through the paper easier during script meetings. Screenplays are usually bound with a light card stock cover and back page, often showing the logo of the production company or agency submitting the script, covers are there to protect the script during handling which can reduce the strength of the paper. This is especially important if

2660-433: A single color of light and allow all others to pass through. Because of these colored couplers, the developed film appears orange. Colored couplers mean that corrections through color filters need to be applied to the image before printing. Printing can be carried out by using an optical enlarger, or by scanning the image, correcting it using software and printing it using a digital printer. Kodachrome films have no couplers;

2793-467: A single photon striking a grain (based on the size of the grains and how closely spaced they are), and density is the proportion of grains that have been hit by at least one photon. The relationship between density and log exposure is linear for photographic films except at the extreme ranges of maximum exposure (D-max) and minimum exposure (D-min) on an H&D curve, so the curve is characteristically S-shaped (as opposed to digital camera sensors which have

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2926-430: A special adhesive tape; those with PET layers can be ultrasonically spliced or their ends melted and then spliced. The emulsion layers of films are made by dissolving pure silver in nitric acid to form silver nitrate crystals, which are mixed with other chemicals to form silver halide grains, which are then suspended in gelatin and applied to the film base. The size and hence the light sensitivity of these grains determines

3059-403: A studio. The executives return from the retreat with fairly well-established instructions. They spread these concepts through the industry community, especially to producers they have deals with (traditional studios will have those producers in offices on their lots). Also, agents for screenwriters are made aware. This results in a pairing of producers with writers , where they develop a "take",

3192-464: A triangle with or without clipped edges; this type of crystal is known as a T-grain crystal or a tabular grain (T-grains). Films using T-grains are more sensitive to light without using more silver halide since they increase the surface area exposed to light by making the crystals flatter and larger in footprint instead of simply increasing their volume. T-grains can also have a hexagonal shape. These grains also have reduced sensitivity to blue light which

3325-418: A typical film run is closer to 5 weekends. Further earnings result from pay television purchases, foreign market purchases and DVD sales to establish worldwide distribution gross of a film. Once a screenplay is "green-lit", directors and actors are attached and the film proceeds into the pre-production stage, although sometimes development and pre-production stages will overlap. Projects which fail to obtain

3458-870: A useful tradeoff in difficult shooting environments, if the alternative is no usable shot at all. Instant photography, as popularized by Polaroid , uses a special type of camera and film that automates and integrates development, without the need of further equipment or chemicals. This process is carried out immediately after exposure, as opposed to regular film, which is developed afterwards and requires additional chemicals. See instant film . Films can be made to record non- visible ultraviolet (UV) and infrared (IR) radiation. These films generally require special equipment; for example, most photographic lenses are made of glass and will therefore filter out most ultraviolet light. Instead, expensive lenses made of quartz must be used. Infrared films may be shot in standard cameras using an infrared band- or long-pass filters , although

3591-420: A variety of areas and topics they wish to explore through collaborations with producers and screenwriters, and then ultimately, directors , actors, and actresses. They choose trending topics from the media and real life, as well as many other sources, to determine their yearly agenda. For example, in a year when action is popular, they may wish to explore that topic in one or more movies. Sometimes, they purchase

3724-455: A wider dynamic range than most digital detectors. For example, Agfa 10E56 holographic film has a resolution of over 4,000 lines/mm – equivalent to a pixel size of 0.125 micrometers – and an active dynamic range of over five orders of magnitude in brightness, compared to typical scientific CCDs that might have pixels of about 10 micrometers and a dynamic range of 3–4 orders of magnitude. Special films are used for

3857-403: A writer, I knew of only a few that were sold and fewer that made it to the screen," relays writer Wayne Powers. Alan Watt, writer-director and Founder of The LA Writer's Lab confirmed that completed original screenplays, referred to as "specs", make big news when they sell, but these make up a very small portion of movies that are ultimately given the green light to be produced by the president of

3990-732: Is a form of narration in which the movements, actions, expressions and dialogue of the characters are described in a certain format. Visual or cinematographic cues may be given, as well as scene descriptions and scene changes. In the early silent era , before the turn of the 20th century, "scripts" for films in the United States were usually a synopsis of a film of around one paragraph and sometimes as short as one sentence. Shortly thereafter, as films grew in length and complexity, film scenarios (also called "treatments" or "synopses" ) were written to provide narrative coherence that had previously been improvised. Films such as A Trip to

4123-543: Is also similar to photographic film. There are several types of photographic film, including: In order to produce a usable image, the film needs to be exposed properly. The amount of exposure variation that a given film can tolerate, while still producing an acceptable level of quality, is called its exposure latitude . Color print film generally has greater exposure latitude than other types of film. Additionally, because print film must be printed to be viewed, after-the-fact corrections for imperfect exposure are possible during

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4256-481: Is an advantage since silver halide is most sensitive to blue light than other colors of light. This was traditionally solved by the addition of a blue-blocking filter layer in the film emulsion, but T-grains have allowed this layer to be removed. Also the grains may have a "core" and "shell" where the core, made of silver iodobromide, has higher iodine content than the shell, which improves light sensitivity, these grains are known as Σ-Grains. The exact silver halide used

4389-413: Is available as a mobile application and a website. The first screenwriting software was SmartKey , a macro program that sent strings of commands to existing word processing programs, such as WordStar , WordPerfect and Microsoft Word . SmartKey was popular with screenwriters from 1982 to 1987, after which word processing programs had their own macro features. Script coverage is a filmmaking term for

4522-403: Is blue light). The sensitizing dyes are absorbed at dislocations in the silver halide particles in the emulsion on the film. The sensitizing dyes may be supersensitized with a supersensitizing dye, that assists the function of the sensitizing dye and improves the efficiency of photon capture by silver halide. Each layer has a different type of color dye forming coupler: in the blue sensitive layer,

4655-543: Is commonly used for medical radiography and industrial radiography by placing the subject between the film and a source of X-rays or gamma rays, without a lens, as if a translucent object were imaged by being placed between a light source and standard film. Unlike other types of film, X-ray film has a sensitive emulsion on both sides of the carrier material. This reduces the X-ray exposure for an acceptable image – a desirable feature in medical radiography. The film

4788-446: Is convenient to read or put in a pocket; this is generally for use by the director or production crew during shooting. Although most writing contracts continue to stipulate physical delivery of three or more copies of a finished script, it is common for scripts to be delivered electronically via email. Electronic copies allow easier copyright registration and also documenting "authorship on a given date". Authors can register works with

4921-478: Is customary for the production office to arrange a wrap party , to thank all the cast and crew for their efforts. For the production phase on live-action films , synchronizing work schedules of key cast and crew members is very important. For many scenes, several cast members and many crew members must be physically present at the same place at the same time (and bankable stars may need to rush from one project to another). Animated films have different workflow at

5054-414: Is done by making couplers with a ballast group such as a lipophilic group (oil-protected) and applying them in oil droplets to the film, or a hydrophilic group, or in a polymer layer such as a loadable latex layer with oil-protected couplers, in which case they are considered to be polymer-protected. The color couplers may be colorless and be chromogenic or be colored. Colored couplers are used to improve

5187-415: Is double-spaced, action lines are capitalized, and scene headings, character entrances and exits, and sound effects are capitalized and underlined. Drama series and sitcoms are no longer the only formats that require the skills of a writer. With reality-based programming crossing genres to create various hybrid programs, many of the so-called "reality" programs are in a large part scripted in format. That is,

5320-454: Is drawn up to plan expenditures for the film. For major productions, insurance is procured to protect against accidents. Pre-production also includes working out the shoot location and casting process. The Producer hires a Line Manager or a Production Manager to create the schedule and budget for the film. The nature of the film, and the budget, determine the size and type of crew used during filmmaking. Many Hollywood blockbusters employ

5453-401: Is due to the statistics of grain activation: as the film becomes progressively more exposed, each incident photon is less likely to impact a still-unexposed grain, yielding the logarithmic behavior. A simple, idealized statistical model yields the equation density = 1 – ( 1 – k ) , where light is proportional to the number of photons hitting a unit area of film, k is the probability of

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5586-940: Is either silver bromide or silver bromochloroiodide, or a combination of silver bromide, chloride and iodide. Silver iodobromide may be used as a silver halide. Silver halide crystals can be made in several shapes for use in photographic films. For example, AgBrCl hexagonal tabular grains can be used for color negative films, AgBr octahedral grains can be used for instant color photography films, AgBrl cubo-octahedral grains can be used for color reversal films, AgBr hexagonal tabular grains can be used for medical X-ray films, and AgBrCl cubic grains can be used for graphic arts films. In color films, each emulsion layer has silver halide crystals that are sensitized to one particular color (wavelength of light) vía sentizing dyes, to that they will be made sensitive to only one color of light, and not to others, since silver halide particles are intrinsically sensitive only to wavelengths below 450 nm (which

5719-404: Is the film distributor who at an early stage attempts to choose a slate of concepts that are likely to have market appeal and find potential financial success. Hollywood distributors consider factors such as the film genre , the target audience and assumed audience, the historical success of similar films, the actors who might appear in the film, and potential directors. All these factors imply

5852-463: Is up!" to inform everyone that a take is about to be recorded, and then "quiet, everyone!" Once everyone is ready to shoot, the AD calls "roll sound" (if the take involves sound), and the production sound mixer will start their equipment, record a verbal slate of the take's information, and announce "sound speed", or just "speed", when they are ready. The AD follows with "roll camera", answered by "speed!" by

5985-474: Is used by photofinishing equipment during film processing. The second part is a barcode on the edge of the film ( see image below right ), used also during processing, which indicates the image film type, manufacturer, frame number and synchronizes the position of the frame. The third part of DX coding, known as the DX Camera Auto Sensing (CAS) code, consists of a series of 12 metal contacts on

6118-460: Is usually invented solely by the screenwriter, though spec screenplays can also be based on established works or real people and events. For American TV shows, the format rules for hour-long dramas and single-camera sitcoms are essentially the same as for motion pictures. The main difference is that TV scripts have act breaks. Multi-camera sitcoms use a different, specialized format that derives from stage plays and radio. In this format, dialogue

6251-499: Is usually placed in close contact with phosphor screen(s) and/or thin lead-foil screen(s), the combination having a higher sensitivity to X-rays. Because film is sensitive to x-rays, its contents may be wiped by airport baggage scanners if the film has a speed higher than 800 ISO. This property is exploited in Film badge dosimeters . Film optimized for detecting X-rays and gamma rays is sometimes used for radiation dosimetry . Film has

6384-580: The ASA speed and the DIN speed in the format ASA/DIN. Using ISO convention film with an ASA speed of 400 would be labeled 400/27°. A fourth naming standard is GOST , developed by the Russian standards authority. See the film speed article for a table of conversions between ASA, DIN, and GOST film speeds. Common film speeds include ISO 25, 50, 64, 100, 160, 200, 400, 800 and 1600. Consumer print films are usually in

6517-624: The K-14 process , Kodacolor, Ektachrome , which is often processed using the E-6 process and Fujifilm Superia , which is processed using the C-41 process . The chemicals and the color dye couplers on the film may vary depending on the process used to develop the film. Film speed describes a film's threshold sensitivity to light. The international standard for rating film speed is the ISO scale, which combines both

6650-540: The Lumière Brothers introduced their Lumière Panchromatic plate, which was made sensitive, although very unequally, to all colors including red. New and improved sensitizing dyes were developed, and in 1902 the much more evenly color-sensitive Perchromo panchromatic plate was being sold by the German manufacturer Perutz . The commercial availability of highly panchromatic black-and-white emulsions also accelerated

6783-599: The Writers Guild of America West (WGAW) Registry, and even television formats using the FRAPA 's system. Screenplays and teleplays use a set of standardizations, beginning with proper formatting. These rules are in part to serve the practical purpose of making scripts uniformly readable blueprints of movies, and also to serve as a way of distinguishing a professional from an amateur. Motion picture screenplays intended for submission to mainstream studios, whether in

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6916-438: The film editor reviewing the footage with the director and assembling the film out of selected takes. The production sound (dialogue) is also edited; music tracks and songs are composed and recorded if a film is intended to have a score; sound effects are designed and recorded. Any computer-generated visual effects are digitally added by an artist . Finally, all sound elements are mixed down into "stems", which are synchronized to

7049-447: The infrared (IR) region of the spectrum . In black-and-white photographic film, there is usually one layer of silver halide crystals. When the exposed silver halide grains are developed, the silver halide crystals are converted to metallic silver, which blocks light and appears as the black part of the film negative . Color film has at least three sensitive layers, incorporating different combinations of sensitizing dyes. Typically

7182-432: The internet has allowed for the relatively inexpensive distribution of independent films on websites such as YouTube . As a result, several companies have emerged to assist filmmakers in getting independent movies seen and sold via mainstream internet marketplaces, often adjacent to popular Hollywood titles. With internet movie distribution, independent filmmakers who choose to forego a traditional distribution deal now have

7315-482: The light sensitivity of photographic emulsions in 1876. Their work enabled the first quantitative measure of film speed to be devised. They developed H&D curves, which are specific for each film and paper. These curves plot the photographic density against the log of the exposure, to determine sensitivity or speed of the emulsion and enabling correct exposure. Early photographic plates and films were usefully sensitive only to blue, violet and ultraviolet light . As

7448-481: The property master , script supervisor , assistant directors, stills photographer , picture editor , and sound editors . These are the most common roles in filmmaking; the production office will be free to create any unique blend of roles to suit the various responsibilities needed during the production of a film. Communication is key between the location, set, office, production company, distributors and all other parties involved. A typical day shooting begins with

7581-573: The First Draft. Preliminary discussions are minimal with studio executives but might be quite detailed with the producer. Next, a screenwriter writes a screenplay over a period of several months, or however long it takes. Deadlines are in their contracts but there is no pressure to adhere to them. Again, every writer's process and speed vary. The screenwriter may rewrite the script several times to improve dramatization, clarity, structure, characters, dialogue, and overall style. Script Coverage,

7714-429: The ISO 100 to ISO 800 range. Some films, like Kodak's Technical Pan , are not ISO rated and therefore careful examination of the film's properties must be made by the photographer before exposure and development. ISO 25 film is very "slow", as it requires much more exposure to produce a usable image than "fast" ISO 800 film. Films of ISO 800 and greater are thus better suited to low-light situations and action shots (where

7847-529: The Moon (1902) and The Great Train Robbery (1903) had scenarios consisting respectively of a list of scene headings or scene headings with a detailed explication of the action in each scene. At this time, scripts had yet to include individual shots or dialogue. These scenario scripts evolved into continuity scripts , which listed a number of shots within each scene, thus providing continuity to streamline

7980-499: The US or elsewhere in the world, are expected to conform to a standard typographical style known widely as the studio format which stipulates how elements of the screenplay such as scene headings, action, transitions, dialogue, character names, shots and parenthetical matter should be presented on the page, as well as font size and line spacing. One reason for this is that, when rendered in studio format, most screenplays will transfer onto

8113-529: The ability to reach global audiences. Photographic film Photographic film is a strip or sheet of transparent film base coated on one side with a gelatin emulsion containing microscopically small light-sensitive silver halide crystals. The sizes and other characteristics of the crystals determine the sensitivity, contrast, and resolution of the film. Film is typically segmented in frames , that give rise to separate photographs . The emulsion will gradually darken if left exposed to light, but

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8246-432: The active dynamic range of most films, the density of the developed film is proportional to the logarithm of the total amount of light to which the film was exposed, so the transmission coefficient of the developed film is proportional to a power of the reciprocal of the brightness of the original exposure. The plot of the density of the film image against the log of the exposure is known as an H&D curve. This effect

8379-548: The advent of home video in the late 1970s, most major films have followed a pattern of having several distinct release windows. A film may first be released to a few select cinemas , or if it tests well enough , may go directly into wide release . Next, it is released, normally at different times several weeks (or months) apart, into different market segments like rental , retail , pay-per-view , in-flight entertainment , cable television , satellite television , or free-to-air broadcast television. The distribution rights for

8512-451: The analysis and grading of screenplays, often within the script-development department of a production company. While coverage may remain entirely verbal, it usually takes the form of a written report, guided by a rubric that varies from company to company. The original idea behind coverage was that a producer's assistant could read a script and then give their producer a breakdown of the project and suggest whether they should consider producing

8645-755: The back of the film base in triacetate film bases or in the front in PET film bases, below the emulsion stack. An anticurl layer and a separate antistatic layer may be present in thin high resolution films that have the antihalation layer below the emulsion. PET film bases are often dyed, specially because PET can serve as a light pipe; black and white film bases tend to have a higher level of dying applied to them. The film base needs to be transparent but with some density, perfectly flat, insensitive to light, chemically stable, resistant to tearing and strong enough to be handled manually and by camera mechanisms and film processing equipment, while being chemically resistant to moisture and

8778-439: The back of the film, it also serves to prevent scratching, as an antistatic measure due to its conductive carbon content, and as a lubricant to help transport the film through mechanisms. The antistatic property is necessary to prevent the film from getting fogged under low humidity, and mechanisms to avoid static are present in most if not all films. If applied on the back it is removed during film processing. If applied it may be on

8911-629: The basis of subsequent color film design, with the Agfa process initially adopted by Ferrania, Fuji and Konica and lasting until the late 70s/early 1980s in the West and 1990s in Eastern Europe. The process used dye-forming chemicals that terminated with sulfonic acid groups and had to be coated one layer at a time. It was a further innovation by Kodak, using dye-forming chemicals which terminated in 'fatty' tails which permitted multiple layers to coated at

9044-409: The blue and green sensitive layers and a yellow filter before the red sensitive layer; in this way each layer is made sensitive to only a certain color of light. The couplers need to be made resistant to diffusion (non-diffusible) so that they will not move between the layers of the film and thus cause incorrect color rendition as the couplers are specific to either cyan, magenta or yellow colors. This

9177-598: The blue part of the visible spectrum, producing unnatural-looking renditions of some colored subjects. This problem was resolved with the discovery that certain dyes, called sensitizing dyes, when adsorbed onto the silver halide crystals made them respond to other colors as well. First orthochromatic (sensitive to blue and green) and finally panchromatic (sensitive to all visible colors) films were developed. Panchromatic film renders all colors in shades of gray approximately matching their subjective brightness. By similar techniques, special-purpose films can be made sensitive to

9310-399: The blue-sensitive layer is on top, followed by a yellow filter layer to stop any remaining blue light from affecting the layers below. Next comes a green-and-blue sensitive layer, and a red-and-blue sensitive layer, which record the green and red images respectively. During development, the exposed silver halide crystals are converted to metallic silver, just as with black-and-white film. But in

9443-409: The camera and sound stop recording. The script supervisor will note any continuity issues, and the sound and camera teams log technical notes for the take on their respective report sheets. If the director decides additional takes are required, the whole process repeats. Once satisfied, the crew moves on to the next camera angle or "setup", until the whole scene is "covered." When shooting is finished for

9576-419: The camera operator once the camera is recording. The clapper loader , who is already in front of the camera with the clapperboard , calls "marker!" and slaps it shut. If the take involves extras or background action, the AD will cue them ("action background!"), and last is the director, telling the actors "action!". The AD may echo "action" louder on large sets. A take is over when the director calls "Cut!" and

9709-495: The chemicals used during processing without losing strength, flexibility or changing in size. The subbing layer is essentially an adhesive that allows the subsequent layers to stick to the film base. The film base was initially made of highly flammable cellulose nitrate, which was replaced by cellulose acetate films , often cellulose triacetate film (safety film), which in turn was replaced in many films (such as all print films, most duplication films and some other specialty films) by

9842-479: The color filter mosaic layer absorbed most of the light passing through. The last films of this type were discontinued in the 1950s, but Polachrome "instant" slide film, introduced in 1983, temporarily revived the technology. "Color film" in the modern sense of a subtractive color product with a multi-layered emulsion was born with the introduction of Kodachrome for home movies in 1935 and as lengths of 35 mm film for still cameras in 1936; however, it required

9975-435: The color reproduction of film. The first coupler which is used in the blue layer remains colorless to allow all light to pass through, but the coupler used in the green layer is colored yellow, and the coupler used in the red layer is light pink. Yellow was chosen to block any remaining blue light from exposing the underlying green and red layers (since yellow can be made from green and red). Each layer should only be sensitive to

10108-411: The coupler forms a yellow dye; in the green sensitive layer the coupler forms a magenta dye, and in the red sensitive layer the coupler forms a cyan dye. Color films often have an UV blocking layer. Each emulsion layer in a color film may itself have three layers: a slow, medium and fast layer, to allow the film to capture higher contrast images. The color dye couplers are inside oil droplets dispersed in

10241-424: The crew arriving on the set/location by their call time. Actors usually have their own separate call times. Since set construction, dressing and lighting can take many hours or even days, they are often set up in advance. The grip , electric and production design crews are typically a step ahead of the camera and sound departments: for efficiency's sake, while a scene is being filmed, they are already preparing

10374-404: The date, shutter speed and aperture setting are recorded on the negative directly as the film is exposed. The first known version of this process was patented in the United States in 1975, using half-silvered mirrors to direct the readout of a digital clock and mix it with the light rays coming through the main camera lens. Modern SLR cameras use an imprinter fixed to the back of the camera on

10507-732: The desired subject matter, they begin to work. However, many writers and producers usually pass before a particular concept is realized in a way that is awarded a green light to production. Production of Unforgiven , which earned Oscars for its Director/Star Clint Eastwood , as well as its screenwriter, David Webb Peoples, required fifteen years. Powers related that The Italian Job took approximately eight years from concept to screen, which, as Powers added, "is average." And most concepts turned into paid screenplays wind up gathering dust on some executive's shelf, never to see production. Writers have different styles and creative processes; some have stronger track records than others. Because of this, how

10640-566: The development process proceeds from there and how much detail a writer returns to the studio to divulge before beginning writing can vary greatly. Screenwriters are often protected by the union, the Writers Guild of America , or WGA. The WGA allows a screenwriter to contract for One Draft, One Revision, and One Polish. Bob Eisle, Writer and Member of the Guild Board, states, "Additional writing requires an extension of contracts and payment for additional work". They are paid 80% of their fee after

10773-466: The dyes are instead formed by a long sequence of steps, limiting adoption among smaller film processing companies. Black and white films are very simple by comparison, only consisting of silver halide crystals suspended in a gelatin emulsion which sits on a film base with an antihalation back. Many films contain a top supercoat layer to protect the emulsion layers from damage. Some manufacturers manufacture their films with daylight, tungsten (named after

10906-502: The early 20th century. Although color photographs of good quality were being made by the 1890s, they required special equipment, separate and long exposures through three color filters , complex printing or display procedures, and highly specialized skills, so they were then exceedingly rare. The first practical and commercially successful color "film" was the Lumière Autochrome , a glass plate product introduced in 1907. It

11039-443: The emulsion around silver halide crystals, forming a silver halide grain. Here the oil droplets act as a surfactant , also protecting the couplers from chemical reactions with the silver halide and from the surrounding gelatin. During development, oxidized developer diffuses into the oil droplets and combines with the dye couplers to form dye clouds; the dye clouds only form around unexposed silver halide crystals. The fixer then removes

11172-464: The explicit visual continuity and strict adherence to a budget that continuity scripts afforded, the master-scene script was more readable, which is of importance to an independent producer seeking financing for a project. By the production of Chinatown (1974), this change was complete. Andrew Kenneth Gay argues that this shift has raised the status of directors as auteurs and lowered the profile of screenwriters. However, he also notes that since

11305-403: The film are also usually sold for worldwide distribution. The distributor and the production company share profits and manage losses. Filmmaking also takes place outside of the mainstream and is commonly called independent filmmaking . Since the introduction of DV technology, the means of production have become more democratized and economically viable. Filmmakers can conceivably shoot and edit

11438-432: The film backing plate. It uses a small LED display for illumination and optics to focus the light onto a specific part of the film. The LED display is exposed on the negative at the same time the picture is taken. Digital cameras can often encode all the information in the image file itself. The Exif format is the most commonly used format. In the 1980s, Kodak developed DX Encoding (from Digital indeX), or DX coding ,

11571-428: The film cassette, which beginning with cameras manufactured after 1985 could detect the type of film, number of exposures and ISO of the film, and use that information to automatically adjust the camera settings for the speed of the film. Source: e.g., Kodak "Advantix", different aspect ratios possible, data recorded on magnetic strip, processed film remains in cartridge The earliest practical photographic process

11704-622: The film is advertised and promoted . A B-roll clip may be released to the press based on raw footage shot for a "making of" documentary, which may include making-of clips as well as on-set interviews separate from those of the production company or distributor. For major films, key personnel are often contractually required to participate in promotional tours in which they appear at premieres and festivals and sit for interviews with many TV, print, and online journalists. The largest productions may require more than one promotional tour, in order to rejuvenate audience demand at each release window. Since

11837-455: The film is carefully designed and planned. This is the phase where one would narrow down all the options of the production. It is where all the planning takes place before the camera rolls and sets the overall vision of the project. The production company is created and a production office established. The film is pre-visualized by the director and may be storyboarded with the help of illustrators and concept artists . A production budget

11970-625: The film's sensitivity to light – or speed – the film there will have no appreciable image density, and will appear on the print as a featureless black. Some photographers use their knowledge of these limits to determine the optimum exposure for a photograph; for one example, see the Zone System . Most automatic cameras instead try to achieve a particular average density. Color films can have many layers. The film base can have an antihalation layer applied to it or be dyed. This layer prevents light from reflecting from within

12103-575: The film, increasing image quality. This also can make films exposable on only one side, as it prevents exposure from behind the film. This layer is bleached after development to make it clear, thus making the film transparent. The antihalation layer, besides having a black colloidal silver sol pigment for absorbing light, can also have two UV absorbents to improve lightfastness of the developed image, an oxidized developer scavenger, dyes for compensating for optical density during printing, solvents, gelatin and disodium salt of 3,5- disulfocatechol. If applied to

12236-586: The filmmaking and liabilities incurred during the filmmaking over the time period from early development through the management of profits and losses after distribution under conditions of different degrees of uncertainty and risk. The practical aspects of filmmaking finance can also be defined as the science of the money management of all phases involved in filmmaking. Film finance aims to price assets based on their risk level and their expected rate of return based upon anticipated profits and protection against losses. In pre-production, every step of actually creating

12369-617: The filmmaking process. While some productions, notably D. W. Griffith 's The Birth of a Nation (1915), were made without a script, preapproved " continuities " allowed the increasingly powerful studio executives to more accurately budget for film productions. Movie industry revolutionary Thomas H. Ince , a screenwriter himself, invented movie production by introducing an " assembly line " system of filmmaking that utilized far more detailed written materials, clearly dedicated to "separating conception from execution". Film researcher Andrew Kenneth Gay posits that, "The process of scripting for

12502-420: The final print. Usually those areas will be considered overexposed and will appear as featureless white on the print. Some subject matter is tolerant of very heavy exposure. For example, sources of brilliant light, such as a light bulb or the sun, generally appear best as a featureless white on the print. Likewise, if part of an image receives less than the beginning threshold level of exposure, which depends upon

12635-486: The images on the screen, and the film is fully completed ("locked"). Distribution is the last stage, where the film is released in movie theaters or, occasionally, directly to consumer media ( VHS , VCD , DVD , Blu-ray ) or direct download from a digital media provider. The film is duplicated as required (either onto film or hard disk drives ) and distributed in cinemas for exhibition (screening). Press kits, posters, and other advertising materials are published, and

12768-415: The infrared focal point must be compensated for. Exposure and focusing are difficult when using UV or IR film with a camera and lens designed for visible light. The ISO standard for film speed only applies to visible light, so visual-spectrum light meters are nearly useless. Film manufacturers can supply suggested equivalent film speeds under different conditions, and recommend heavy bracketing (e.g., "with

12901-501: The laboratory, but in 1883 the first commercially dye-sensitized plates appeared on the market. These early products, described as isochromatic or orthochromatic depending on the manufacturer, made possible a more accurate rendering of colored subject matter into a black-and-white image. Because they were still disproportionately sensitive to blue, the use of a yellow filter and a consequently longer exposure time were required to take full advantage of their extended sensitivity. In 1894,

13034-406: The left to accommodate hole punches ). The major components are action (sometimes called "screen direction") and dialogue . The action is written in the present tense and is limited to what can be heard or seen by the audience, for example descriptions of settings, character movements, or sound effects. The dialogue is the words the characters speak, and is written in a center column. Unique to

13167-408: The long exposures required by astrophotography. Lith films used in the printing industry. In particular when exposed via a ruled-glass screen or contact-screen, halftone images suitable for printing could be generated. Some film cameras have the ability to read metadata from the film canister or encode metadata on film negatives. Negative imprinting is a feature of some film cameras, in which

13300-441: The next one. While the crew prepares their equipment, the actors do their costumes and attend the hair and make-up departments. The actors rehearse the script and blocking with the director, and the camera and sound crews rehearse with them and make final tweaks. Finally, the action is shot in as many takes as the director wishes. Most American productions follow a specific procedure: The assistant director (AD) calls "picture

13433-416: The next shooting day. Later on, the director, producer, other department heads, and, sometimes, the cast, may gather to watch that day or yesterday's footage, called dailies , and review their work. With workdays often lasting fourteen or eighteen hours in remote locations, film production tends to create a team spirit . When the entire film is "in the can", or in the completion of the production phase, it

13566-512: The overall concept and story. The script format for documentaries and audio-visual presentations which consist largely of voice-over matched to still or moving pictures is different again and uses a two-column format which can be particularly difficult to achieve in standard word processors, at least when it comes to editing or rewriting. Many script-editing software programs include templates for documentary formats. Various screenwriting software packages are available to help screenwriters adhere to

13699-494: The overall skeleton of the show and its episodes are written to dictate the content and direction of the program. The Writers Guild of America has identified this as a legitimate writer's medium, so much so that they have lobbied to impose jurisdiction over writers and producers who "format" reality-based productions. Creating reality show formats involves storytelling structure similar to screenwriting, but much more condensed and boiled down to specific plot points or actions related to

13832-442: The physics of silver grain activation (which sets a minimum amount of light required to expose a single grain) and by the statistics of random grain activation by photons. The film requires a minimum amount of light before it begins to expose, and then responds by progressive darkening over a wide dynamic range of exposure until all of the grains are exposed, and the film achieves (after development) its maximum optical density. Over

13965-405: The printing process. The concentration of dyes or silver halide crystals remaining on the film after development is referred to as optical density , or simply density ; the optical density is proportional to the logarithm of the optical transmission coefficient of the developed film. A dark image on the negative is of higher density than a more transparent image. Most films are affected by

14098-565: The process is too slow and incomplete to be of any practical use. Instead, a very short exposure to the image formed by a camera lens is used to produce only a very slight chemical change, proportional to the amount of light absorbed by each crystal. This creates an invisible latent image in the emulsion, which can be chemically developed into a visible photograph . In addition to visible light, all films are sensitive to ultraviolet light, X-rays , gamma rays , and high-energy particles . Unmodified silver halide crystals are sensitive only to

14231-460: The production phase, in that voice actors can record their takes in the recording studio at different times and may not see one another until the film's premiere. Animated films also have different crew, since most physical live-action tasks are either unnecessary or are simulated by various types of animators . This stage is usually thought of as starting when principal photography ends, but they may overlap. The bulk of post-production consists of

14364-491: The progress of practical color photography, which requires good sensitivity to all the colors of the spectrum for the red, green and blue channels of color information to all be captured with reasonable exposure times. However, all of these were glass-based plate products. Panchromatic emulsions on a film base were not commercially available until the 1910s and did not come into general use until much later. Many photographers who did their own darkroom work preferred to go without

14497-526: The required format written into the rubric of their writer's contract. The Nicholl Fellowship , a screenwriting competition run under the auspices of the Academy of Motion Picture Arts and Sciences , has a guide to screenplay format. A more detailed reference is The Complete Guide to Standard Script Formats . A speculative screenplay or "spec script" is a script written to be sold on the open market with no upfront payment, or promise of payment. The content

14630-657: The rights to articles, bestselling novels, plays , the remaking of older films , stories with some basis in real life through a person or event, a video game , fairy tale , comic book , graphic novel . Likewise, research through surveys may inform their decisions. They may have had blockbusters from their previous year and wish to explore a sequel. They will additionally acquire a completed and independently financed and produced film. Such notable examples are Little Miss Sunshine , The English Patient , and Roma . Studios hold general meetings with producers and screenwriters about original story ideas. "In my decade working as

14763-547: The same time in a single pass, reducing production time and cost that later became universally adopted along with the Kodak C-41 process. Screenplay A screenplay , or script , is a written work produced for a film , television show , or video game (as opposed to a stage play ) by screenwriters . A screenplay written for television is also known as a teleplay . Screenplays can be original works or adaptations from existing pieces of writing. A screenplay

14896-439: The scene, the assistant director declares a "wrap" or "moving on", and the crew will "strike", or dismantle, the set for that scene. At the end of the day, the director approves the next day's shooting schedule and a daily progress report is sent to the production office. This includes the report sheets from continuity, sound, and camera teams. Call sheets are distributed to the cast and crew to tell them when and where to turn up

15029-405: The screen at the rate of approximately one page per minute. This rule of thumb is widely contested — a page of dialogue usually occupies less screen time than a page of action, for example, and it depends enormously on the literary style of the writer — and yet it continues to hold sway in modern Hollywood . There is no single standard for studio format. Some studios have definitions of

15162-400: The screen did not so much emerge naturally from other literary forms such as the play script, the novel, or poetry nor to meet the artistic needs of filmmakers but developed primarily to address the manufacturing needs of industrial production." With the advent of sound film , dialogue quickly dominated scripts, with what had been specific instructions for the filmmaker initially regressed to

15295-545: The screenplay (as opposed to a stage play ) is the use of slug lines . A slug line , also called a master scene heading , occurs at the start of each scene and typically contains three pieces of information: whether the scene is set inside or outside (INT. or EXT.; interior or exterior), the specific location, and the time of day. Each slug line begins a new scene. In a " shooting script " the slug lines are numbered consecutively for ease of reference. American screenplays are printed single-sided on three-hole-punched paper using

15428-438: The screenplay is no longer a technical document, screenwriting is more of a literary endeavour. The format is structured so that (as a ballpark estimate ) one page equates to roughly one minute of screen time, though this often bears little resemblance to the runtime of the final production. The standard font is 12 point , 10 pitch Courier typeface . Wide margins of at least one inch are employed (usually larger for

15561-405: The script is likely to pass through the hands of several people or through the post. Increasingly, reading copies of screenplays (that is, those distributed by producers and agencies in the hope of attracting finance or talent) are distributed printed on both sides of the paper (often professionally bound) to reduce paper waste. Occasionally they are reduced to half-size to make a small book which

15694-452: The scripts for use in the US letter size, especially when their scripts are to be read by American producers since the pages would otherwise be cropped when printed on US paper. Because each country's standard paper size is difficult to obtain in the other country, British writers often send an electronic copy to American producers, or crop the A4 size to US letter. A British script may be bound by

15827-414: The seeming luxury of sensitivity to red – a rare color in nature and uncommon even in human-made objects – rather than be forced to abandon the traditional red darkroom safelight and process their exposed film in complete darkness. Kodak's popular Verichrome black-and-white snapshot film, introduced in 1931, remained a red-insensitive orthochromatic product until 1956, when it

15960-470: The short exposure time limits the total light received). The benefit of slower film is that it usually has finer grain and better color rendition than fast film. Professional photographers of static subjects such as portraits or landscapes usually seek these qualities, and therefore require a tripod to stabilize the camera for a longer exposure. A professional photographing subjects such as rapidly moving sports or in low-light conditions will inevitably choose

16093-412: The silent era to refer to the film itself, i.e. a play shown on a screen. With the end of the studio system in the 1950s and 1960s, these continuities were gradually split into a master-scene script , which includes all dialogue but only rudimentary scene descriptions and a shooting script devised by the director after a film is approved for production. While studio era productions required

16226-416: The silver halide crystals leaving only the dye clouds: this means that developed color films may not contain silver while undeveloped films do contain silver; this also means that the fixer can start to contain silver which can then be removed through electrolysis. Color films also contain light filters to filter out certain colors as the light passes through the film: often there is a blue light filter between

16359-650: The silver is converted back to silver halide crystals in the bleach step . It is removed from the film during the process of fixing the image on the film with a solution of ammonium thiosulfate or sodium thiosulfate (hypo or fixer). Fixing leaves behind only the formed color dyes, which combine to make up the colored visible image. Later color films, like Kodacolor II , have as many as 12 emulsion layers, with upwards of 20 different chemicals in each layer. Photographic film and film stock tend to be similar in composition and speed, but often not in other parameters such as frame size and length. Silver halide photographic paper

16492-519: The speed of the film; since films contain real silver (as silver halide), faster films with larger crystals are more expensive and potentially subject to variations in the price of silver metal. Also, faster films have more grain, since the grains (crystals) are larger. Each crystal is often 0.2 to 2 microns in size; in color films, the dye clouds that form around the silver halide crystals are often 25 microns across. The crystals can be shaped as cubes, flat rectangles, tetradecadedra, or be flat and resemble

16625-560: The standard American letter size (8.5 in × 11 in; 220 mm × 280 mm). They are then held together with two brass brads in the top and bottom hole. The middle hole is left empty as it would otherwise make it harder to quickly read the script. In the United Kingdom, double-hole-punched A4 paper is normally used, which is slightly taller and narrower (210 mm × 297 mm; 8.3 in × 11.7 in) than US letter size. Some UK writers format

16758-513: The strict formatting conventions. Detailed computer programs are designed specifically to format screenplays, teleplays, and stage plays. Such packages include BPC-Screenplay, Celtx , Fade In , Final Draft , FiveSprockets , Montage , Movie Draft SE, Movie Magic Screenwriter , Movie Outline 3.0, Scrivener , and Zhura . Software is also available as web applications , accessible from any computer, and on mobile devices , such as Fade In Mobile Scripts Pro and Studio Binder, and WriterDuet , which

16891-437: The tungsten filament of incandescent and halogen lamps) or fluorescent lighting in mind, recommending the use of lens filters, light meters and test shots in some situations to maintain color balance, or by recommending the division of the ISO value of the film by the distance of the subject from the camera to get an appropriate f-number value to be set in the lens. Examples of Color films are Kodachrome , often processed using

17024-475: The visibility of the clouds, by manually retouching their negatives to adjust problematic tonal values, and by heavily powdering the faces of their portrait sitters. In 1873, Hermann Wilhelm Vogel discovered that the spectral sensitivity could be extended to green and yellow light by adding very small quantities of certain dyes to the emulsion. The instability of early sensitizing dyes and their tendency to rapidly cause fogging initially confined their use to

17157-411: Was expensive and not sensitive enough for hand-held "snapshot" use. Film-based versions were introduced in the early 1930s and the sensitivity was later improved. These were "mosaic screen" additive color products, which used a simple layer of black-and-white emulsion in combination with a layer of microscopically small color filter elements. The resulting transparencies or "slides" were very dark because

17290-438: Was of better optical quality than early transparent plastics and was, at first, less expensive. Glass plates continued to be used long after the introduction of film, and were used for astrophotography and electron micrography until the early 2000s, when they were supplanted by digital recording methods. Ilford continues to manufacture glass plates for special scientific applications. The first flexible photographic roll film

17423-448: Was replaced by Verichrome Pan. Amateur darkroom enthusiasts then had to handle the undeveloped film by the sense of touch alone. Experiments with color photography began almost as early as photography itself, but the three-color principle underlying all practical processes was not set forth until 1855, not demonstrated until 1861, and not generally accepted as "real" color photography until it had become an undeniable commercial reality in

17556-464: Was sold by George Eastman in 1885, but this original "film" was actually a coating on a paper base. As part of the processing, the image-bearing layer was stripped from the paper and attached to a sheet of hardened clear gelatin. The first transparent plastic roll film followed in 1889. It was made from highly flammable cellulose nitrate film . Although cellulose acetate or " safety film " had been introduced by Kodak in 1908, at first it found only

17689-420: Was the daguerreotype ; it was introduced in 1839 and did not use film. The light-sensitive chemicals were formed on the surface of a silver-plated copper sheet. The calotype process produced paper negatives. Beginning in the 1850s, thin glass plates coated with photographic emulsion became the standard material for use in the camera. Although fragile and relatively heavy, the glass used for photographic plates

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