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111-909: Rajshri Productions is an Indian film production and distribution company based in Mumbai , India , established in 1947, which is primarily involved in producing Hindi films. The most successful films produced by the company include Dosti (1964), Suraj (1966), Jeevan Mrityu (1970), Chitchor (1976), Dulhan Wahi Jo Piya Man Bhaye (1977), Nadiya Ke Paar (1982), Saaransh (1984), Maine Pyar Kiya (1989), Hum Aapke Hain Koun..! (1994), Hum Saath Saath Hain (1999), Vivah (2006) and Prem Ratan Dhan Payo (2015). It has produced successful shows like Woh Rehne Waali Mehlon Ki , Yahan Main Ghar Ghar Kheli , and Pyaar Ka Dard Hai Meetha Meetha Pyaara Pyaara . Rajshri Productions,

222-428: 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

333-420: 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

444-464: 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

555-447: 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

666-419: 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,

777-408: 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

888-424: 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

999-435: 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

1110-465: 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

1221-538: 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,

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1332-441: 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

1443-430: 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

1554-528: 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

1665-462: 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

1776-415: A pairing of producers with writers , where they develop a "take", 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

1887-571: 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

1998-601: 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 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

2109-433: 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;

2220-467: 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

2331-430: 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

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2442-464: 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

2553-418: 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

2664-870: 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

2775-445: A very small portion of movies that are ultimately given the green light to be produced by the president of 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

2886-455: 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

2997-543: 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

3108-481: 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

3219-403: 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,

3330-543: 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

3441-479: 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

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3552-414: 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

3663-454: 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

3774-401: 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

3885-940: 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

3996-455: Is from its own production house and others. Rajshri Productions have offices in various Indian cities such as Mumbai , Rajkot , Hubli , Kolkata , Patna , Cuttack , Siliguri , Kathiar , Bhusawal , Nagpur , Raipur , Indore , Jaipur , Delhi , Kanpur , Allahabad , Varanasi , Gorakhpur , Jalandhar , Vijayawada , Bengaluru , Chennai , Ernakulam and various others. Film production Although filmmaking originally involved

4107-404: 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

4218-463: 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

4329-474: 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

4440-499: 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

4551-580: 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

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4662-624: 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

4773-540: 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

4884-438: 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

4995-447: 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

5106-432: 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

5217-482: 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

5328-481: 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

5439-442: The 1960s and 1980s including Uphaar , Geet Gaata Chal , Ankhiyon Ke Jharokhon Se , Chitchor , Dulhan Wahi Jo Piya Man Bhaye and Saaransh . At the end of the 1980s, when the film industry experienced a slump due to the advent of home video , Rajshri was on the verge of closing down. However, the company had a hit with a musical teenage romance, Maine Pyar Kiya , directed in-house by Sooraj R. Barjatya , which saved

5550-573: 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,

5661-429: 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

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5772-528: 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

5883-432: 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

5994-548: 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

6105-755: 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

6216-439: 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

6327-629: 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

6438-409: 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

6549-598: 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

6660-399: 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

6771-409: 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

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6882-419: 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

6993-495: 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

7104-479: 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

7215-435: 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

7326-535: The company from closure. It became one of Indian cinema's biggest grossers, and won six Filmfare Awards including Best Film and the Most Sensational Debut of the Year for 24-year-old Salman Khan . Salman Khan followed up the success of Maine Pyar Kiya with Rajshri blockbusters Hum Aapke Hain Koun and Hum Saath Saath Hain . Hum Aapke Hain Koun remains one of the highest grossing releases in

7437-411: 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

7548-424: 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

7659-467: 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

7770-628: 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

7881-466: 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

7992-502: 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

8103-443: 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

8214-403: 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

8325-432: 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 ,

8436-428: 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

8547-622: 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

8658-455: 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

8769-579: The film production division of Rajshri, was established in 1947. Its first release Aarti met with critical acclaim and was screened at international film festivals. This was followed by Dosti , a non-star-cast film which became a box office success, and received the National Award for the Best Hindi Film of the Year (1964) and six Filmfare Awards . Rajshri Productions made several more successful and critically acclaimed movies between

8880-625: 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

8991-575: 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

9102-586: 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

9213-420: 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

9324-466: The history of Indian cinema, and won the National Award for the most popular film providing wholesome entertainment, as well as eight Filmfare Awards and six Screen Awards, including Best Film, Best Actress and Best Director. In November 2006, Rajshri Productions launched a broadband entertainment portal, Rajshri.com , offering streaming and downloads of various forms of content including movies, music videos, concerts, and documentaries. The digital content

9435-486: 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

9546-415: 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

9657-501: 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,

9768-408: 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

9879-572: 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 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

9990-441: 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

10101-416: 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

10212-442: 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

10323-405: 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

10434-565: 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

10545-784: The producer and writer have sold their approach to 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

10656-461: 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

10767-491: 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

10878-439: 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

10989-414: 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

11100-470: 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

11211-416: 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

11322-650: 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

11433-519: 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

11544-437: 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

11655-596: 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 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

11766-475: 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

11877-411: 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

11988-438: 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

12099-448: 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

12210-464: 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

12321-420: 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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