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136-410: Fred " Snowflake " Toones (January 5, 1906 – February 13, 1962) was an American actor and comedian. He appeared in over 200 films in his career spanning 23 years. He appeared in over 200 films between 1928 and 1951. His standard characterization was that of a middle-aged "colored" man with a high-pitched voice and childlike demeanor. Like ‘Curly’ Howard and Tommy ‘Tiny’ Lister , who followed

272-442: 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

408-461: A Film would probably be about the aesthetics or theory of film, while a book entitled Let's Go to the Movies would probably be about the history of entertaining movies and blockbusters . Photographic film The emulsion will gradually darken if left exposed to light, but the process is too slow and incomplete to be of any practical use. Instead, a very short exposure to the image formed by

544-428: 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

680-447: 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

816-611: A coin-operated peep-box Electrotachyscope model were manufactured by Siemens & Halske in Berlin and sold internationally. Nearly 34,000 people paid to see it at the Berlin Exhibition Park in the summer of 1892. Others saw it in London or at the 1893 Chicago World's Fair . On 25 November 1894, Anschütz introduced a Electrotachyscope projector with a 6x8 meter screening in Berlin. Between 22 February and 30 March 1895,

952-419: 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,

1088-545: A combination of some or all of these techniques, and other visual effects . Before the introduction of digital production, a series of still images were recorded on a strip of chemically sensitized celluloid ( photographic film stock ), usually at a rate of 24 frames per second. The images are transmitted through a movie projector at the same rate as they were recorded, with a Geneva drive ensuring that each frame remains still during its short projection time. A rotating shutter causes stroboscopic intervals of darkness, but

1224-408: 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

1360-474: A contract that called for an annual salary of one million dollars. From 1931 to 1956, film was also the only image storage and playback system for television programming until the introduction of videotape recorders . In the United States, much of the film industry is centered around Hollywood, California . Other regional centers exist in many parts of the world, such as Mumbai -centered Bollywood ,

1496-421: A day or two to formulate their opinions. Despite this, critics have an important impact on the audience response and attendance at films, especially those of certain genres . Mass marketed action , horror , and comedy films tend not to be greatly affected by a critic's overall judgment of a film. The plot summary and description of a film and the assessment of the director's and screenwriters' work that makes up

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1632-424: 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

1768-435: 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

1904-540: A few decades before it was successfully combined with a method to record series of sequential images in real-time. In 1878, Eadweard Muybridge eventually managed to take a series of photographs of a running horse with a battery of cameras in a line along the track and published the results as The Horse in Motion on cabinet cards . Muybridge, as well as Étienne-Jules Marey , Ottomar Anschütz and many others, would create many more chronophotography studies. Muybridge had

2040-465: 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

2176-551: A flashing soda can during a screening). These fields may further create derivative fields, such as a movie review section in a newspaper or a television guide. Sub-industries can spin off from film, such as popcorn makers, and film-related toys (e.g., Star Wars figures ). Sub-industries of pre-existing industries may deal specifically with film, such as product placement and other advertising within films. The terminology used for describing motion pictures varies considerably between British and American English . In British usage,

2312-528: 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

2448-764: A more dynamic and engaging experience for the viewer. The development of scene construction through mise-en-scène , editing, and special effects led to more sophisticated techniques that can be compared to those utilized in opera and ballet. The French New Wave movement of the late 1950s and 1960s also embraced the montage technique, with filmmakers such as Jean-Luc Godard and François Truffaut using montage to create distinctive and innovative films. This approach continues to be influential in contemporary cinema, with directors employing montage to create memorable sequences in their films. In contemporary cinema, montage continues to play an essential role in shaping narratives and creating emotional resonance. Filmmakers have adapted

2584-425: A new section or sequence within a film. This technique can be used to convey a narrative or to create an emotional or intellectual effect by juxtaposing different shots, often for the purpose of condensing time, space, or information. Montage can involve flashbacks , parallel action, or the interplay of various visual elements to enhance the storytelling or create symbolic meaning . The concept of montage emerged in

2720-462: 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

2856-471: A porter – appearing in over 50 films in such a role. He also played a variety of other service-oriented or domestic worker roles such as stable grooms, janitors, elevator operators, valets, cooks, bellhops, doormen, butlers, and bartenders. Toones played a bootblack or shoeshine man in at least six of his movies, and in film director William Witney 's autobiography, Witney reveals that in addition to playing supporting roles and bit parts, Toones actually ran

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2992-466: A projection before 1882. He then further developed the device into the Théâtre Optique which could project longer sequences with separate backgrounds, patented in 1888. He created several movies for the machine by painting images on hundreds of gelatin plates that were mounted into cardboard frames and attached to a cloth band. From 28 October 1892 to March 1900 Reynaud gave over 12,800 shows to

3128-562: A relationship between the content in the separate shots in the minds of the viewer. It is this relationship that makes all film storytelling possible. In a simple example, if a person is shown looking out a window, whatever the next shot shows, it will be regarded as the view the person was seeing.) Each scene was a single stationary shot with the action occurring before it. The scenes were later broken up into multiple shots photographed from different distances and angles. Other techniques such as camera movement were developed as effective ways to tell

3264-571: 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

3400-433: 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;

3536-467: 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

3672-526: A source of profit almost as soon as the process was invented. Upon seeing how successful their new invention, and its product, was in their native France, the Lumières quickly set about touring the Continent to exhibit the first films privately to royalty and publicly to the masses. In each country, they would normally add new, local scenes to their catalogue and, quickly enough, found local entrepreneurs in

3808-430: 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

3944-415: A story with film. Until sound film became commercially practical in the late 1920s, motion pictures were a purely visual art , but these innovative silent films had gained a hold on the public imagination. Rather than leave audiences with only the noise of the projector as an accompaniment, theater owners hired a pianist or organist or, in large urban theaters, a full orchestra to play music that fit

4080-687: A time through "peep show" devices such as the Electrotachyscope , Kinetoscope and the Mutoscope . Not much later, exhibitors managed to project films on large screens for theatre audiences. The first public screenings of films at which admission was charged were made in 1895 by the American Woodville Latham and his sons, using films produced by their Eidoloscope company, by the Skladanowsky brothers and by

4216-531: A total of circa 7,000 paying customers came to view a 1.5-hour show of some 40 scenes at a 300-seat hall in the old Reichstag building in Berlin. Émile Reynaud already mentioned the possibility of projecting the images of the Praxinoscope in his 1877 patent application. He presented a praxinoscope projection device at the Société française de photographie on 4 June 1880, but did not market his praxinoscope

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4352-516: A total of over 500,000 visitors at the Musée Grévin in Paris. By the end of the 1880s, the introduction of lengths of celluloid photographic film and the invention of motion picture cameras , which could photograph a rapid sequence of images using only one lens, allowed action to be captured and stored on a single compact reel of film. Movies were initially shown publicly to one person at

4488-464: 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

4624-870: 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

4760-474: A valid fine art . André Bazin reacted against this theory by arguing that film's artistic essence lay in its ability to mechanically reproduce reality, not in its differences from reality, and this gave rise to realist theory . More recent analysis spurred by Jacques Lacan 's psychoanalysis and Ferdinand de Saussure 's semiotics among other things has given rise to psychoanalytic film theory , structuralist film theory , feminist film theory , and others. On

4896-455: 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

5032-543: 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

5168-481: 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

5304-403: 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,

5440-543: 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

5576-414: 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

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5712-401: 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

5848-940: 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

5984-411: Is having a shot that zooms in on the forehead of an actor with an expression of silent reflection that cuts to a shot of a younger actor who vaguely resembles the first actor, indicating that the first person is remembering a past self, an edit of compositions that causes a time transition. Montage is a film editing technique in which separate pieces of film are selected, edited, and assembled to create

6120-446: Is the greatest director , the one who invented a new language , true to the nature of film, as it captures life as a reflection, life as a dream." An example of the language is a sequence of back and forth images of one speaking actor's left profile, followed by another speaking actor's right profile, then a repetition of this, which is a language understood by the audience to indicate a conversation. This describes another theory of film,

6256-474: 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

6392-499: 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

6528-460: The 180-degree rule , as a visual story-telling device with an ability to place a viewer in a context of being psychologically present through the use of visual composition and editing. The " Hollywood style " includes this narrative theory, due to the overwhelming practice of the rule by movie studios based in Hollywood, California, during film's classical era. Another example of cinematic language

6664-580: 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

6800-545: The French New Wave , New German Cinema wave, Indian New Wave , Japanese New Wave , New Hollywood , and Egyptian New Wave ) and the rise of film-school-educated independent filmmakers contributed to the changes the medium experienced in the latter half of the 20th century. Digital technology has been the driving force for change throughout the 1990s and into the 2000s. Digital 3D projection largely replaced earlier problem-prone 3D film systems and has become popular in

6936-802: The Indian film industry's Hindi cinema which produces the largest number of films in the world. Though the expense involved in making films has led cinema production to concentrate under the auspices of movie studios , recent advances in affordable film making equipment have allowed independent film productions to flourish. Profit is a key force in the industry, due to the costly and risky nature of filmmaking; many films have large cost overruns , an example being Kevin Costner 's Waterworld . Yet many filmmakers strive to create works of lasting social significance. The Academy Awards (also known as "the Oscars") are

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7072-624: 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

7208-540: 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

7344-692: The Three Stooges , and had a bit role in Laurel and Hardy 's classic feature Way Out West (1937). Toones is also a familiar face in four Preston Sturges comedies: Twentieth Century (1934), Remember the Night (1940), Christmas in July (1940) and The Palm Beach Story (1942). Toones first appeared as a porter in 1932 in The Hurricane Express , and was usually typecast as

7480-447: 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

7616-482: 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

7752-438: The 1840s and commercial success since the early 1850s, raised interest in completing the photographic medium with the addition of means to capture colour and motion. In 1849, Joseph Plateau published about the idea to combine his invention of the phénakisticope with the stereoscope, as suggested to him by stereoscope inventor Charles Wheatstone , and to use photographs of plaster sculptures in different positions to be animated in

7888-427: The 1890s. Photography was introduced in 1839, but initially photographic emulsions needed such long exposures that the recording of moving subjects seemed impossible. At least as early as 1844, photographic series of subjects posed in different positions were created to either suggest a motion sequence or document a range of different viewing angles. The advent of stereoscopic photography, with early experiments in

8024-432: The 1920s, with pioneering Soviet filmmakers such as Sergei Eisenstein and Lev Kuleshov developing the theory of montage. Eisenstein's film Battleship Potemkin (1925) is a prime example of the innovative use of montage, where he employed complex juxtapositions of images to create a visceral impact on the audience. As the art of montage evolved, filmmakers began incorporating musical and visual counterpoint to create

8160-686: The 2000s is so intense, well-coordinated and well financed that reviewers cannot prevent a poorly written or filmed blockbuster from attaining market success. However, the cataclysmic failure of some heavily promoted films which were harshly reviewed, as well as the unexpected success of critically praised independent films indicates that extreme critical reactions can have considerable influence. Other observers note that positive film reviews have been shown to spark interest in little-known films. Conversely, there have been several films in which film companies have so little confidence that they refuse to give reviewers an advanced viewing to avoid widespread panning of

8296-508: The Dolby A noise reduction system, which became a standard in the recording industry and eliminated the hissing sound associated with earlier standardization efforts. Dolby Stereo , a revolutionary surround sound system, followed and allowed cinema designers to take acoustics into consideration when designing theaters. This innovation enabled audiences in smaller venues to enjoy comparable audio experiences to those in larger city theaters. Today,

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8432-429: 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

8568-595: The Navy (1934) with James Cagney , Go Into Your Dance with Al Jolson and Ruby Keeler (1935), Mississippi (1935), Hawk of the Wilderness (1938), and Daredevils of the Red Circle (1939) with Bruce Bennett and in many "B" westerns such as The Lawless Nineties (1936) with John Wayne . He also appeared in dozens of two-reelers such as Columbia's Woman Haters (1934) and Sock-a-Bye Baby (1942) with

8704-458: The United States is "movie", while in Europe , "film" is preferred. Archaic terms include "animated pictures" and "animated photography". "Flick" is, in general a slang term, first recorded in 1926. It originates in the verb flicker, owing to the flickering appearance of early films. Common terms for the field, in general, include "the big screen", "the movies", "the silver screen", and "cinema";

8840-402: The United States, movie is the predominant term for the medium. Although the words film and movie are sometimes used interchangeably, film is more often used when considering artistic , theoretical , or technical aspects. The term movies more often refers to entertainment or commercial aspects, as where to go for fun evening on a date. For example, a book titled How to Understand

8976-432: 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

9112-755: 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

9248-439: 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

9384-629: 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

9520-479: The black tradition of using an antonymous nickname as both their professional name and character name, "Snowflake" was the distinct stage name by which Toones was best known, and he used this name as his credit as early as his third film, 1931's Shanghaied Love . Likewise, in Shanghaied Love and over 35 other films, “Snowflake” was also Toones’ character name. Toones acted in films such as Here Comes

9656-409: 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

9792-598: 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

9928-399: 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

10064-495: 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

10200-479: The chronophotography works of Muybridge and Étienne-Jules Marey . In 1886, Anschütz developed the Electrotachyscope , an early device that displayed short motion picture loops with 24 glass plate photographs on a 1.5 meter wide rotating wheel that was hand-cranked to a speed of circa 30 frames per second. Different versions were shown at many international exhibitions, fairs, conventions, and arcades from 1887 until at least 1894. Starting in 1891, some 152 examples of

10336-479: 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

10472-435: 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

10608-552: The combined device. In 1852, Jules Duboscq patented such an instrument as the "Stéréoscope-fantascope, ou Bïoscope", but he only marketed it very briefly, without success. One Bïoscope disc with stereoscopic photographs of a machine is in the Plateau collection of Ghent University, but no instruments or other discs have yet been found. By the late 1850s the first examples of instantaneous photography came about and provided hope that motion photography would soon be possible, but it took

10744-403: The contours of dozens of his chronophotographic series traced onto glass discs and projected them with his zoopraxiscope in his lectures from 1880 to 1895. Anschütz made his first instantaneous photographs in 1881. He developed a portable camera that allowed shutter speeds as short as 1/1000 of a second in 1882. The quality of his pictures was generally regarded as much higher than that of

10880-411: 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

11016-404: 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

11152-466: 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

11288-593: The early 2010s. " Film theory " seeks to develop concise and systematic concepts that apply to the study of film as art . The concept of film as an art-form began in 1911 with Ricciotto Canudo 's manifest The Birth of the Sixth Art . The Moscow Film School , the oldest film school in the world, was founded in 1919, in order to teach about and research film theory. Formalist film theory , led by Rudolf Arnheim , Béla Balázs , and Siegfried Kracauer , emphasized how film differed from reality and thus could be considered

11424-502: 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

11560-443: 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

11696-432: 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 ,

11832-428: 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

11968-625: 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

12104-575: 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

12240-792: The film. However, this usually backfires, as reviewers are wise to the tactic and warn the public that the film may not be worth seeing and the films often do poorly as a result. Journalist film critics are sometimes called film reviewers. Critics who take a more academic approach to films, through publishing in film journals and writing books about films using film theory or film studies approaches, study how film and filming techniques work, and what effect they have on people. Rather than having their reviews published in newspapers or appearing on television, their articles are published in scholarly journals or up-market magazines. They also tend to be affiliated with colleges or universities as professors or instructors. The making and showing of motion pictures became

12376-420: 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

12512-410: The future of sound in film remains uncertain, with potential influences from artificial intelligence , remastered audio, and personal viewing experiences shaping its development. However, it is clear that the evolution of sound in cinema has been marked by continuous innovation and a desire to create more immersive and engaging experiences for audiences. A significant technological advancement in film

12648-522: The future of the cinema industry, and Hollywood employment has become less reliable, particularly for medium and low-budget films. Derivative academic fields of study may both interact with and develop independently of filmmaking, as in film theory and analysis. Fields of academic study have been created that are derivative or dependent on the existence of film, such as film criticism , film history , divisions of film propaganda in authoritarian governments, or psychological on subliminal effects (e.g., of

12784-415: 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

12920-493: The innovative work of D. W. Griffith in The Birth of a Nation (1915) and Intolerance (1916). However, in the 1920s, European filmmakers such as Eisenstein , F. W. Murnau and Fritz Lang , in many ways inspired by the meteoric wartime progress of film through Griffith, along with the contributions of Charles Chaplin , Buster Keaton and others, quickly caught up with American film-making and continued to further advance

13056-501: 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,

13192-452: The last of these is commonly used, as an overarching term, in scholarly texts and critical essays. In the early years, the word "sheet" was sometimes used instead of "screen". The art of film has drawn on several earlier traditions in fields such as oral storytelling , literature , theatre and visual arts . Forms of art and entertainment that had already featured moving or projected images include: The stroboscopic animation principle

13328-408: 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

13464-461: The majority of most film reviews can still have an important impact on whether people decide to see a film. For prestige films such as most dramas and art films , the influence of reviews is important. Poor reviews from leading critics at major papers and magazines will often reduce audience interest and attendance. The impact of a reviewer on a given film's box office performance is a matter of debate. Some observers claim that movie marketing in

13600-405: The medium. In the 1920s, the development of electronic sound recording technologies made it practical to incorporate a soundtrack of speech, music and sound effects synchronized with the action on the screen. The resulting sound films were initially distinguished from the usual silent "moving pictures" or "movies" by calling them "talking pictures" or "talkies." The revolution they wrought

13736-401: The mood of the film at any given moment. By the early 1920s, most films came with a prepared list of sheet music to be used for this purpose, and complete film scores were composed for major productions. The rise of European cinema was interrupted by the outbreak of World War I , while the film industry in the United States flourished with the rise of Hollywood , typified most prominently by

13872-440: The most prominent film awards in the United States, providing recognition each year to films, based on their artistic merits. There is also a large industry for educational and instructional films made in lieu of or in addition to lectures and texts. Revenue in the industry is sometimes volatile due to the reliance on blockbuster films released in movie theaters . The rise of alternative home entertainment has raised questions about

14008-477: The name of the medium is film . The word movie is understood but seldom used. Additionally, the pictures (plural) is used somewhat frequently to refer to the place where movies are exhibited; in American English this may be called the movies , but that term is becoming outdated. In other countries, the place where movies are exhibited may be called a cinema or movie theatre . By contrast, in

14144-436: The number of films made in color gradually increased year after year. In the early 1950s, the proliferation of black-and-white television started seriously depressing North American theater attendance. In an attempt to lure audiences back into theaters, bigger screens were installed, widescreen processes, polarized 3D projection , and stereophonic sound were introduced, and more films were made in color, which soon became

14280-454: The other hand, critics from the analytical philosophy tradition, influenced by Wittgenstein , try to clarify misconceptions used in theoretical studies and produce analysis of a film's vocabulary and its link to a form of life . Film is considered to have its own language . James Monaco wrote a classic text on film theory, titled "How to Read a Film," that addresses this. Director Ingmar Bergman famously said, " Andrei Tarkovsky for me

14416-442: 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

14552-405: 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

14688-491: 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

14824-523: The rule rather than the exception. Some important mainstream Hollywood films were still being made in black-and-white as late as the mid-1960s, but they marked the end of an era. Color television receivers had been available in the US since the mid-1950s, but at first, they were very expensive and few broadcasts were in color. During the 1960s, prices gradually came down, color broadcasts became common, and sales boomed. The overwhelming public verdict in favor of color

14960-492: The same dreams and hurts, then it deserves to be called great. — Roger Ebert (1986) Film criticism is the analysis and evaluation of films. In general, these works can be divided into two categories: academic criticism by film scholars and journalistic film criticism that appears regularly in newspapers and other media. Film critics working for newspapers, magazines , and broadcast media mainly review new releases. Normally they only see any given film once and have only

15096-414: 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

15232-565: The shoeshine stand at Republic Studios. His being cast in only comedic bit parts and small nonsupporting roles meant his efforts were more often than not uncredited (of 210 films where he made an appearance, he was credited in 73 of them). Toones died on February 13, 1962, in Los Angeles, California. Film A film , also known as a movie , is a work of visual art that simulates experiences and otherwise communicates ideas, stories, perceptions, emotions, or atmosphere through

15368-470: 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

15504-416: 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

15640-650: 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

15776-519: 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

15912-602: The spoken words, music, and other sounds ) runs along a portion of the film exclusively reserved for it, and was not projected. Contemporary films are usually fully digital through the entire process of production, distribution, and exhibition. The name "film" originally referred to the thin layer of photochemical emulsion on the celluloid strip that used to be the actual medium for recording and displaying motion pictures. Many other terms exist for an individual motion-picture, including "picture", "picture show", "moving picture", "photoplay", and "flick". The most common term in

16048-510: The street, and the view from the front of a trolley as it traveled a city's Main Street. According to legend, when a film showed a locomotive at high speed approaching the audience, the audience panicked and ran from the theater. Around the turn of the 20th century, films started stringing several scenes together to tell a story. (The filmmakers who first put several shots or scenes discovered that, when one shot follows another, that act establishes

16184-445: The television threat emerged in the 1940s and 1950s, the film industry needed to innovate to attract audiences. In terms of sound technology, this meant the development of surround sound and more sophisticated audio systems, such as Cinerama's seven-channel system. However, these advances required a large number of personnel to operate the equipment and maintain the sound experience in theaters. In 1966, Dolby Laboratories introduced

16320-451: The traditional montage technique to suit the evolving aesthetics and storytelling styles of modern cinema. As the medium of film continues to evolve, montage remains an integral aspect of visual storytelling, with filmmakers finding new and innovative ways to employ this powerful technique. If a movie can illuminate the lives of other people who share this planet with us and show us not only how different they are but, how even so, they share

16456-437: 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

16592-533: The use of moving images that are generally accompanied by sound and (less commonly) other sensory stimulations. The word "cinema" is a shortening of the word " cinematography " and is used to refer to either filmmaking , the film industry , the overall art form, or a movie theater . The moving images of a film are created by photographing actual scenes with a motion-picture camera , by photographing drawings or miniature models using traditional animation techniques, by means of CGI and computer animation , or by

16728-564: The various countries of Europe to buy their equipment and photograph, export, import, and screen additional product commercially. The Oberammergau Passion Play of 1898 was the first commercial motion picture ever produced. Other pictures soon followed, and motion pictures became a separate industry that overshadowed the vaudeville world. Dedicated theaters and companies formed specifically to produce and distribute films, while motion picture actors became major celebrities and commanded huge fees for their performances. By 1917 Charlie Chaplin had

16864-403: The viewer does not notice the interruptions due to flicker fusion . The apparent motion on the screen is the result of the fact that the visual sense cannot discern the individual images at high speeds, so the impressions of the images blend with the dark intervals and are thus linked together to produce the illusion of one moving image. An analogous optical soundtrack (a graphic recording of

17000-475: 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

17136-420: The – arguably better known – French brothers Auguste and Louis Lumière with ten of their own productions. Private screenings had preceded these by several months, with Latham's slightly predating the otherss'. The earliest films were simply one static shot that showed an event or action with no editing or other cinematic techniques . Typical films showed employees leaving a factory gate, people walking in

17272-488: Was clear. After the final flurry of black-and-white films had been released in mid-decade, all Hollywood studio productions were filmed in color, with the usual exceptions made only at the insistence of "star" filmmakers such as Peter Bogdanovich and Martin Scorsese . The decades following the decline of the studio system in the 1960s saw changes in the production and style of film. Various New Wave movements (including

17408-411: 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

17544-549: Was introduced in 1833 with the stroboscopic disc (better known as the phénakisticope ) and later applied in the zoetrope (since 1866), the flip book (since 1868), and the praxinoscope (since 1877), before it became the basic principle for cinematography. Experiments with early phénakisticope-based animation projectors were made at least as early as 1843 and publicly screened in 1847. Jules Duboscq marketed phénakisticope projection systems in France from c.  1853 until

17680-438: 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

17816-448: 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

17952-464: 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

18088-947: Was swift. By 1930, silent film was practically extinct in the US and already being referred to as "the old medium." The evolution of sound in cinema began with the idea of combining moving images with existing phonograph sound technology. Early sound-film systems, such as Thomas Edison's Kinetoscope and the Vitaphone used by Warner Bros ., laid the groundwork for synchronized sound in film. The Vitaphone system, produced alongside Bell Telephone Company and Western Electric , faced initial resistance due to expensive equipping costs, but sound in cinema gained acceptance with movies like Don Juan (1926) and The Jazz Singer (1927). American film studios, while Europe standardized on Tobis-Klangfilm and Tri-Ergon systems. This new technology allowed for greater fluidity in film, giving rise to more complex and epic movies like King Kong (1933). As

18224-420: 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

18360-458: Was the introduction of "natural color," where color was captured directly from nature through photography, as opposed to being manually added to black-and-white prints using techniques like hand-coloring or stencil-coloring. Early color processes often produced colors that appeared far from "natural". Unlike the rapid transition from silent films to sound films, color's replacement of black-and-white happened more gradually. The crucial innovation

18496-485: Was the three-strip version of the Technicolor process, first used in animated cartoons in 1932. The process was later applied to live-action short films, specific sequences in feature films, and finally, for an entire feature film, Becky Sharp, in 1935. Although the process was expensive, the positive public response, as evidenced by increased box office revenue, generally justified the additional cost. Consequently,

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