List of basic photography topics
Encyclopedia
The following outline is provided as an overview of and topical guide to photography:

Photography
Photography
Photography is the art, science and practice of creating durable images by recording light or other electromagnetic radiation, either electronically by means of an image sensor or chemically by means of a light-sensitive material such as photographic film...

– the process of making pictures
Image
An image is an artifact, for example a two-dimensional picture, that has a similar appearance to some subject—usually a physical object or a person.-Characteristics:...

 by the action of recording Light
Light
Light or visible light is electromagnetic radiation that is visible to the human eye, and is responsible for the sense of sight. Visible light has wavelength in a range from about 380 nanometres to about 740 nm, with a frequency range of about 405 THz to 790 THz...

 patterns, reflected or emitted from objects, on a photosensitive medium or a sensor
Photodetector
Photosensors or photodetectors are sensors of light or other electromagnetic energy. There are several varieties:*Active pixel sensors are image sensors consisting of an integrated circuit that contains an array of pixel sensors, each pixel containing a both a light sensor and an active amplifier...

 through a timed exposure
Exposure (photography)
In photography, exposure is the total amount of light allowed to fall on the photographic medium during the process of taking a photograph. Exposure is measured in lux seconds, and can be computed from exposure value and scene luminance over a specified area.In photographic jargon, an exposure...

. The process is done through mechanical
Machine
A machine manages power to accomplish a task, examples include, a mechanical system, a computing system, an electronic system, and a molecular machine. In common usage, the meaning is that of a device having parts that perform or assist in performing any type of work...

, chemical
Photochemistry
Photochemistry, a sub-discipline of chemistry, is the study of chemical reactions that proceed with the absorption of light by atoms or molecules.. Everyday examples include photosynthesis, the degradation of plastics and the formation of vitamin D with sunlight.-Principles:Light is a type of...

 or electronic
Optoelectronics
Optoelectronics is the study and application of electronic devices that source, detect and control light, usually considered a sub-field of photonics. In this context, light often includes invisible forms of radiation such as gamma rays, X-rays, ultraviolet and infrared, in addition to visible light...

 devices known as camera
Camera
A camera is a device that records and stores images. These images may be still photographs or moving images such as videos or movies. The term camera comes from the camera obscura , an early mechanism for projecting images...

s.

Forms of photography

  • Aerial photography
    Aerial photography
    Aerial photography is the taking of photographs of the ground from an elevated position. The term usually refers to images in which the camera is not supported by a ground-based structure. Cameras may be hand held or mounted, and photographs may be taken by a photographer, triggered remotely or...

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  • Astrophotography
    Astrophotography
    Astrophotography is a specialized type of photography that entails recording images of astronomical objects and large areas of the night sky. The first photographs of an astronomical object were taken in the 1840s, but it was not until the late 19th century that advances in technology allowed for...

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  • Candid photography
    Candid photography
    Candid photography is photography that focuses on spontaneity rather than technique, on the immersion of a camera within events rather than focusing on setting up a staged situation or on preparing a lengthy camera setup.-Description:...

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  • Cloudscape (photography)
    Cloudscape (photography)
    Cloudscape photography is photography of clouds or sky.An early cloudscape photographer, Belgian photographer Léonard Misonne , was noted for his black and white photographs of heavy skies and dark clouds....

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  • Conceptual photography
    Conceptual photography
    Conceptual photography as a part of conceptual art is a photography genre in which the artist makes a photograph of a concept or idea. Usually the conception of the idea precedes the realization of the photography. This kind of photography often involves use of computer editing to achieve the...

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  • Documentary photography
    Documentary photography
    Documentary photography usually refers to a popular form of photography used to chronicle significant and historical events. It is typically covered in professional photojournalism, but it may also be an amateur, artistic, or academic pursuit...

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  • Erotic photography
    History of erotic photography
    Erotic photography is a style of art photography of an erotic and even a sexually suggestive or sexually provocative nature. Though the subjects of erotic photography are usually completely or mostly unclothed, that is not a requirement. Erotic photography dating from 1835 until the 1960s is often...

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  • Fashion photography
    Fashion photography
    Fashion photography is a genre of photography devoted to displaying clothing and other fashion items. Fashion photography is most often conducted for advertisements or fashion magazines such as Vogue, Vanity Fair, or Elle...

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  • Fine art photography
    Fine art photography
    Fine art photography refers to photographs that are created in accordance with the creative vision of the photographer as artist. Fine art photography stands in contrast to photojournalism, which provides a visual account for news events, and commercial photography, the primary focus of which is to...

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  • Food photography
    Food photography
    Food photography is a still life specialization of commercial photography, aimed at producing attractive photographs of food for use in advertisements, packaging, menus or cookbooks...

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  • Environmental portrait
    Environmental portrait
    An environmental portrait is a portrait executed in the subject's usual environment, such as in their home or workplace, and typically illuminates the subject's life and surroundings...

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  • Fire photography
    Fire photography
    Fire photography is the act of taking photographs of firefighting operations. Individuals that practise this form of photography are called fire photographers....

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  • Forensic photography
    Forensic photography
    Forensic photography, sometimes referred to as forensic imaging or crime scene photography, is the art of producing an accurate reproduction of a crime scene or an accident scene using photography for the benefit of a court or to aid in an investigation. It is part of the process of evidence...

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  • Glamour photography
    Glamour photography
    Glamour photography is a genre of photography whereby the subjects, usually female, are portrayed in a romantic or sexually alluring way. The subjects may be fully clothed or seminude, but glamour photography stops short of deliberately arousing the viewer and being pornographic photography.Glamour...

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  • High speed photography
    High speed photography
    High speed photography is the science of taking pictures of very fast phenomena. In 1948, the Society of Motion Picture and Television Engineers defined high-speed photography as any set of photographs captured by a camera capable of 128 frames per second or greater, and of at least three...

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  • Nature photography
    Nature photography
    Nature photography refers to a wide range of photography taken outdoors and devoted to displaying natural elements such as landscapes, wildlife, plants, and close-ups of natural scenes and textures...

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  • Nude photography
    Nude photography
    Nude photography is a style of art photography which depicts the nude human body as a study. Nude photography should be distinguished from glamour photography, which places more emphasis on the model and her/his sexuality, and treats the model as the primary subject. Nude photography should also be...

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  • Paparazzi
    Paparazzi
    Paparazzi is an Italian term used to refer to photojournalists who specialize in candid photography of celebrities, politicians, and other prominent people...

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  • Photojournalism
    Photojournalism
    Photojournalism is a particular form of journalism that creates images in order to tell a news story. It is now usually understood to refer only to still images, but in some cases the term also refers to video used in broadcast journalism...

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  • Photomicroscopy –
  • Portrait photography
    Portrait photography
    Portrait photography or portraiture is the capture by means of photography of the likeness of a person or a small group of people , in which the face and expression is predominant. The objective is to display the likeness, personality, and even the mood of the subject...

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  • Post-mortem photography
    Post-mortem photography
    Post-mortem photography is the practice of photographing the recently deceased.-History and popularity:...

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  • Endoscopy
    Endoscopy
    Endoscopy means looking inside and typically refers to looking inside the body for medical reasons using an endoscope , an instrument used to examine the interior of a hollow organ or cavity of the body. Unlike most other medical imaging devices, endoscopes are inserted directly into the organ...

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  • Senior portraits
    Senior portraits
    In North America, senior portraits are formal portraits taken of students at the beginning of their senior year of high school.-Traditional:Formal senior portraits, in and of themselves, date back at least to the 1920s...

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  • Still life photography
    Still life photography
    Still life photography is the depiction of inanimate subject matter, most typically a small grouping of objects. Still life photography, more so than other types of photography, such as landscape or portraiture, gives the photographer more leeway in the arrangement of design elements within a...

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  • Stock photography
    Stock photography
    Stock photography is the supply of photographs licensed for specific uses. It is used to fulfill the needs of creative assignments instead of hiring a photographer. Today, stock images can be presented in searchable online databases. They can be purchased and delivered online...

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  • Street photography
    Street photography
    Street photography is a type of documentary photography that features subjects in candid situations within public places such as streets, parks, beaches, malls, political conventions and other settings....

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  • Underwater photography
    Underwater photography
    Underwater photography is the process of taking photographs while under water. It is usually done while scuba diving, but can be done while snorkeling or swimming.-Overview:...

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  • Vernacular photography
    Vernacular photography
    Vernacular photography or amateur photography refers to the creation of photographs by amateur or unknown photographers who take everyday life and common things as subjects...

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  • Wedding photography
    Wedding photography
    Wedding photography is the photography of activities relating to weddings. It encompasses photographs of the couple before marriage as well as coverage of the wedding and reception...

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  • Wildlife photography
    Wildlife photography
    Wildlife photography is the act of taking photographs of wildlife.Wildlife photography is regarded as one of the more challenging forms of photography. As well as needing sound technical skills, such as being able to expose correctly, wildlife photographers generally need good field craft skills...

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Camera and photography equipment

  • Camera
    Camera
    A camera is a device that records and stores images. These images may be still photographs or moving images such as videos or movies. The term camera comes from the camera obscura , an early mechanism for projecting images...

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  • Dry box
    Dry box
    A dry box is a storage container in which the interior is kept at a low level of humidity.Dry boxes are used to safely store items which would otherwise be damaged or adversely affected by excessive humidity, such as cameras and lenses , and musical instruments...

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  • Film base
    Film base
    A film base is a transparent substrate which acts as a support medium for the photosensitive emulsion that lies atop it. Despite the numerous layers and coatings associated with the emulsion layer, the base generally accounts for the vast majority of the thickness of any given film stock...

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  • Film format
    Film format
    A film format is a technical definition of a set of standard characteristics regarding image capture on photographic film, for either stills or movies. It can also apply to projected film, either slides or movies. The primary characteristic of a film format is its size and shape.In the case of...

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  • Film holder
    Film holder
    A film holder is a device which holds one or more pieces of photographic film, for insertion into a camera or optical scanning device such as a dedicated film scanner or a flatbed scanner with film scanning capabilities...

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  • Film scanner
    Film scanner
    A film scanner is a device made for scanning photographic film directly into a computer without the use of any intermediate printmaking. It provides several benefits over using a flatbed scanner to scan in a print of any size: the photographer has direct control over cropping and aspect ratio from...

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  • Film stock
    Film stock
    Film stock is photographic film on which filmmaking of motion pictures are shot and reproduced. The equivalent in television production is video tape.-1889–1899:...

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  • Filter –
  • Flash
    Flash (photography)
    A flash is a device used in photography producing a flash of artificial light at a color temperature of about 5500 K to help illuminate a scene. A major purpose of a flash is to illuminate a dark scene. Other uses are capturing quickly moving objects or changing the quality of light...

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  • Movie projector
    Movie projector
    A movie projector is an opto-mechanical device for displaying moving pictures by projecting them on a projection screen. Most of the optical and mechanical elements, except for the illumination and sound devices, are present in movie cameras.-Physiology:...

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  • Photographic film
    Photographic film
    Photographic film is a sheet of plastic coated with an emulsion containing light-sensitive silver halide salts with variable crystal sizes that determine the sensitivity, contrast and resolution of the film...

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  • Photographic lens
    Photographic lens
    A camera lens is an optical lens or assembly of lenses used in conjunction with a camera body and mechanism to make images of objects either on photographic film or on other media capable of storing an image chemically or electronically.While in principle a simple convex lens will suffice, in...

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  • Slide projector
    Slide projector
    A slide projector is an opto-mechanical device to view photographic slides. Slide projectors were common in the 1950s to the 1970s as a form of entertainment; family members and friends would gather to view slide shows...

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  • Still camera
    Still camera
    A still camera is a type of camera used to take photographs. Traditional cameras capture light onto photographic film. Digital cameras use electronics, usually a charge coupled device to store digital images in computer memory inside the camera...

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  • Toy camera
    Toy camera
    Toy cameras are simple, inexpensive film box cameras made almost entirely out of plastic, often including the lens. The term is misleading, since they are not merely 'toys' but are in fact capable of taking photographs. Many were made to be given away as novelties or prizes...

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  • Tripod
    Tripod (photography)
    In photography, a tripod is used to stabilize and elevate a camera, or to support flashes or other photographic equipment. All photographic tripods have three legs and a mounting head to couple with a camera...

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  • View camera
    View camera
    The view camera is a type of camera first developed in the era of the Daguerreotype and still in use today, though with many refinements. It comprises a flexible bellows which forms a light-tight seal between two adjustable standards, one of which holds a lens, and the other a viewfinder or a...

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Photographic processing

  • C-41 process
    C-41 process
    C-41 is a chromogenic color print film developing process. C-41, also known as CN-16 by Fuji, CNK-4 by Konica, and AP-70 by AGFA, is the most popular film process in use, with most photofinishing labs devoting at least one machine to this development process....

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  • Cross processing
    Cross processing
    Cross processing is the procedure of deliberately processing photographic film in a chemical solution intended for a different type of film. The effect was discovered independently by many different photographers often by mistake in the days of C-22 and E-4...

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  • Developer
    Photographic developer
    In the processing of photographic films, plates or papers, the photographic developer is a chemical that makes the latent image on the film or print visible. It does this by reducing the silver halides that have been exposed to light to elemental silver in the gelatine matrix...

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  • Dye coupler –
  • E-6 process
    E-6 process
    The E-6 process is a chromogenic photographic process for developing Ektachrome, Fujichrome and other color reversal photographic film....

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  • Fixer
    Photographic fixer
    Photographic fixer is a chemical or a mix of chemicals used in the final step in the photographic processing of film or paper. The fixer stabilises the image, removing the unexposed silver halide remaining on the photographic film or photographic paper, leaving behind the reduced metallic silver...

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  • Push processing
    Push processing
    Push processing in photography, sometimes called uprating, refers to a film developing technique that increases the effective sensitivity of the film being processed. Push processing involves developing the film for more time, possibly in combination with a higher temperature, than the...

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Photography techniques

  • Afocal photography
    Afocal photography
    Afocal photography, also called afocal imaging or afocal projection is a method of photography where the camera with its lens attached is mounted over the eyepiece of another image forming system such as a optical telescope or optical microscope, with the camera lens taking the place of the human...

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  • Bokeh
    Bokeh
    In photography, bokeh is the blur, or the aesthetic quality of the blur, in out-of-focus areas of an image, or "the way the lens renders out-of-focus points of light."...

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  • Contre-jour
    Contre-jour
    Contre-jour, French for 'against daylight', refers to photographs taken when the camera is pointing directly toward a source of light. An alternative term is backlighting....

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  • Color photography
    Color photography
    Color photography is photography that uses media capable of representing colors, which are traditionally produced chemically during the photographic processing phase...

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  • Cross processing
    Cross processing
    Cross processing is the procedure of deliberately processing photographic film in a chemical solution intended for a different type of film. The effect was discovered independently by many different photographers often by mistake in the days of C-22 and E-4...

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  • Cyanotype
    Cyanotype
    Cyanotype is a photographic printing process that gives a cyan-blue print. The process was popular in engineering circles well into the 20th century. The simple and low-cost process enabled them to produce large-scale copies of their work, referred to as blueprints...

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  • Dodging and burning –
  • Film developing
    Photographic processing
    Photographic processing is the chemical means by which photographic film and paper is treated after photographic exposure to produce a negative or positive image...

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  • Full spectrum photography
    Full spectrum photography
    Full-spectrum photography is a subset of full spectral imaging, defined currently among photography enthusiasts as imaging with consumer cameras the full, broad spectrum of a film or camera sensor bandwidth...

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  • Harris shutter
    Harris Shutter
    The Harris shutter is a strip device with three color filters, invented by Robert S. "Bob" Harris of Kodak, for making color photographs with the different primary color layers exposed in separate time intervals in succession...

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  • Kite aerial photography
    Kite aerial photography
    Kite aerial photography is a hobby and a type of photography. A camera is lifted using a kite and is triggered either remotely or automatically to take aerial photographs. The camera rigs can range from the extremely simple, consisting of a trigger mechanism with a disposable camera, to complex...

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  • High dynamic range imaging (HDR)
    High dynamic range imaging
    In image processing, computer graphics, and photography, high dynamic range imaging is a set of techniques that allows a greater dynamic range between the lightest and darkest areas of an image than current standard digital imaging techniques or photographic methods...

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  • Holography
    Holography
    Holography is a technique that allows the light scattered from an object to be recorded and later reconstructed so that when an imaging system is placed in the reconstructed beam, an image of the object will be seen even when the object is no longer present...

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  • Light painting
    Light Painting
    Light painting, also known as light drawing or light graffiti is a photographic technique in which exposures are made usually at night or in a darkened room by moving a hand-held light source or by moving the camera. In many cases the light source itself does not have to appear in the image...

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  • Macro photography
    Macro photography
    Macrophotography is close-up photography, usually of very small subjects. Classically a macrophotograph is one in which the size of the subject on the negative is greater than life size. However in modern use it refers to a finished photograph of a subject at greater than life size...

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  • Monochrome photography
    Monochrome photography
    Monochrome photography is photography where the image produced has a single hue, rather than recording the colours of the object that was photographed. It includes all forms of black-and-white photography, which produce images containing tones of grey ranging from black to white. Most modern...

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  • Motion blur
    Motion blur
    Motion blur is the apparent streaking of rapidly moving objects in a still image or a sequence of images such as a movie or animation. It results when the image being recorded changes during the recording of a single frame, either due to rapid movement or long exposure.- Photography :When a camera...

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  • Night photography
    Night photography
    Night photography refers to photographs taken outdoors between dusk and dawn. Night photographers generally have a choice between using artificial light and using a long exposure, exposing the scene for seconds, minutes, and even hours in order to give the film or digital sensor enough time to...

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  • Panoramic photography
    Panoramic photography
    Panoramic photography is a technique of photography, using specialized equipment or software, that captures images with elongated fields of view. It is sometimes known as wide format photography. The term has also been applied to a photograph that is cropped to a relatively wide aspect ratio...

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  • Panning
    Panning (camera)
    In photography, panning refers to the horizontal movement or rotation of a still or video camera, or the scanning of a subject horizontally on video or a display device...

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  • Photogram
    Photogram
    A photogram is a photographic image made without a camera by placing objects directly onto the surface of a photo-sensitive material such as photographic paper and then exposing it to light. The result is a negative shadow image varying in tone, depending on the transparency of the objects used...

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  • Photographic print toning
    Photographic print toning
    In photography, toning is a method of changing the color of black-and-white photographs. In analog photography, toning is a chemical process carried out on silver-based photographic prints. This darkroom process can not be done with a color photograph and although the black-and-white photograph is...

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  • Photographic processing
    Photographic processing
    Photographic processing is the chemical means by which photographic film and paper is treated after photographic exposure to produce a negative or positive image...

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  • Push printing –
  • Rephotography
    Rephotography
    Rephotography is the act of repeat photography of the same site, with a time lag between the two images; a "then and now" view of a particular area. Some are casual, usually taken from the same view point but without regard to season, lens coverage or framing. Some are very precise and involve a...

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  • Rollout photography
    Rollout photography
    Rollout photography, a type of peripheral photography, is a process used to create a two dimensional photographic image of a three dimensional object. This process is the photographic equivalent of a cylindrical map projection in cartography. It is used predominantly for the projection of images...

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  • Solarisation
    Solarisation
    Solarisation is a phenomenon in photography in which the image recorded on a negative or on a photographic print is wholly or partially reversed in tone. Dark areas appear light or light areas appear dark...

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  • Stereoscopy
    Stereoscopy
    Stereoscopy refers to a technique for creating or enhancing the illusion of depth in an image by presenting two offset images separately to the left and right eye of the viewer. Both of these 2-D offset images are then combined in the brain to give the perception of 3-D depth...

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  • Stopping down
    Stopping down
    In photography, stopping down is to the act of increasing the f-stop number, thus decreasing the size of the iris of a lens, for example, stopping down from f2 to f4. This increases the depth of field of the image and allows less light to reach the film plane...

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  • Sun printing
    Sun printing
    Sun printing may refer to various printing techniques which use sunlight as a developing or fixative agent.-Cyanotype:Cyanotype, also referred to as "blueprinting", is the oldest non-silver photographic printing process. It involves exposing materials which have been treated with a solution of...

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  • Infrared photography
    Infrared photography
    In infrared photography, the film or image sensor used is sensitive to infrared light. The part of the spectrum used is referred to as near-infrared to distinguish it from far-infrared, which is the domain of thermal imaging. Wavelengths used for photography range from about 700 nm to about...

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  • Ultraviolet photography
    Ultraviolet photography
    Ultraviolet photography is a photographic process of recording images by using light from the ultraviolet spectrum only.-Overview:Light which is visible to the human eye covers the spectral region from about 400 to 750 nanometers. This is the radiation spectrum used in normal photography...

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  • Time-lapse
    Time-lapse
    Time-lapse photography is a cinematography technique whereby the frequency at which film frames are captured is much lower than that which will be used to play the sequence back. When replayed at normal speed, time appears to be moving faster and thus lapsing...

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History of photography

  • Timeline of photography technology
    Timeline of photography technology
    Timeline of photography technology* 1822 – Nicéphore Niépce takes the first fixed, permanent photograph, of an engraving of Pope Pius VII, using a non-lens contact-printing "heliographic process", but it was destroyed later; the earliest surviving example is from 1825.* 1826 – Nicéphore Niépce...

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  • Camera obscura
    Camera obscura
    The camera obscura is an optical device that projects an image of its surroundings on a screen. It is used in drawing and for entertainment, and was one of the inventions that led to photography. The device consists of a box or room with a hole in one side...

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  • Daguerrotype –
  • Autochrome Lumière
    Autochrome Lumière
    The Autochrome Lumière is an early color photography process. Patented in 1903 by the Lumière brothers in France and first marketed in 1907, it was the principal color photography process in use before the advent of subtractive color film in the mid-1930s....

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  • Dufaycolor
    Dufaycolor
    Dufaycolor is an early French and British additive color photographic film process for motion pictures and stills photography. It was based on a four-color screen photographic process invented in 1908 by Frenchman Louis Dufay...

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  • Farm Security Administration
    Farm Security Administration
    Initially created as the Resettlement Administration in 1935 as part of the New Deal in the United States, the Farm Security Administration was an effort during the Depression to combat American rural poverty...

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  • William Fox Talbot
    William Fox Talbot
    William Henry Fox Talbot was a British inventor and a pioneer of photography. He was the inventor of calotype process, the precursor to most photographic processes of the 19th and 20th centuries. He was also a noted photographer who made major contributions to the development of photography as an...

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General photography concepts

  • Composition
    Composition (visual arts)
    In the visual arts – in particular painting, graphic design, photography and sculpture – composition is the placement or arrangement of visual elements or ingredients in a work of art or a photograph, as distinct from the subject of a work...

     in visual arts
    Visual arts
    The visual arts are art forms that create works which are primarily visual in nature, such as ceramics, drawing, painting, sculpture, printmaking, design, crafts, and often modern visual arts and architecture...

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  • Rule of thirds
    Rule of thirds
    The rule of thirds is a compositional rule of thumb in visual arts such as painting, photography and design.The rule states that an image should be imagined as divided into nine equal parts by two equally-spaced horizontal lines and two equally-spaced vertical lines, and that important...

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  • Gelatin-silver process
    Gelatin-silver process
    The gelatin silver process is the photographic process used with currently available black-and-white films and printing papers. A suspension of silver salts in gelatin is coated onto a support such as glass, flexible plastic or film, baryta paper, or resin-coated paper...

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  • Gum printing
    Gum printing
    Gum printing is a way of making photographic reproductions without the use of silver halides. The process used salts of dichromate in common with a number of other related processes such as sun printing....

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  • Image histogram
    Image histogram
    An image histogram is a type of histogram that acts as a graphical representation of the tonal distribution in a digital image. It plots the number of pixels for each tonal value. By looking at the histogram for a specific image a viewer will be able to judge the entire tonal distribution at a...

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  • Exposure
    Exposure (photography)
    In photography, exposure is the total amount of light allowed to fall on the photographic medium during the process of taking a photograph. Exposure is measured in lux seconds, and can be computed from exposure value and scene luminance over a specified area.In photographic jargon, an exposure...

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  • Negative
    Negative (photography)
    In photography, a negative may refer to three different things, although they are all related.-A negative:Film for 35 mm cameras comes in long narrow strips of chemical-coated plastic or cellulose acetate. As each image is captured by the camera onto the film strip, the film strip advances so that...

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  • Focus
    Focus (optics)
    In geometrical optics, a focus, also called an image point, is the point where light rays originating from a point on the object converge. Although the focus is conceptually a point, physically the focus has a spatial extent, called the blur circle. This non-ideal focusing may be caused by...

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  • Auto focus
    Auto Focus
    Auto Focus is a 2002 American biographical film directed by Paul Schrader that stars Greg Kinnear and Willem Dafoe. The screenplay by Michael Gerbosi is based on the book The Murder of Bob Crane by Robert Graysmith....

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  • Depth of field
    Depth of field
    In optics, particularly as it relates to film and photography, depth of field is the distance between the nearest and farthest objects in a scene that appear acceptably sharp in an image...

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  • Photograph
    Photograph
    A photograph is an image created by light falling on a light-sensitive surface, usually photographic film or an electronic imager such as a CCD or a CMOS chip. Most photographs are created using a camera, which uses a lens to focus the scene's visible wavelengths of light into a reproduction of...

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  • Print permanence
    Print permanence
    Print permanence refers to the longevity of printed material, especially photographs, and preservation issues. Over time, the optical density, color balance, lustre, and other qualities of a print will degrade...

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  • Vignetting
    Vignetting
    In photography and optics, vignetting  is a reduction of an image's brightness or saturation at the periphery compared to the image center. The word vignette, from the same root as vine, originally referred to a decorative border in a book. Later, the word came to be used for a photographic...

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  • Shutter speed
    Shutter speed
    In photography, shutter speed is a common term used to discuss exposure time, the effective length of time a camera's shutter is open....

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  • Aperture
    Aperture
    In optics, an aperture is a hole or an opening through which light travels. More specifically, the aperture of an optical system is the opening that determines the cone angle of a bundle of rays that come to a focus in the image plane. The aperture determines how collimated the admitted rays are,...

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  • F-number
    F-number
    In optics, the f-number of an optical system expresses the diameter of the entrance pupil in terms of the focal length of the lens; in simpler terms, the f-number is the focal length divided by the "effective" aperture diameter...

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  • Field of view
    Angle of view
    In photography, angle of view describes the angular extent of a given scene that is imaged by a camera. It is used interchangeably with the more general term field of view....

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  • Perspective (visual)
    Perspective (visual)
    Perspective, in context of vision and visual perception, is the way in which objects appear to the eye based on their spatial attributes; or their dimensions and the position of the eye relative to the objects...

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External links


  • Camera Obscura - digital library on the history photographic techniques
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