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A problem in lenses which occurs when colors are incorrect bent by the lens, creating a mismatch at the focal point.

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Conversion of an continuous gradation of tone to several regions of fewer tones, with abrupt changes from one to another.

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The jagged or saw tooth appearance of curved or diagonal lines

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The fuzz or distortion in a compressed image or sequences of video images. When a photo is compressed data is lost and artifacts appears more evident.

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5) Barrel Lens and Pincushion Distortion  

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5) Barrel Lens and Pincushion Distortion  

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An affect associated with wide angle lenses and in particular, zoom wide angles. This effect causes the image to sphere which means that the edges of the photo start to curve.
Pincushion causes the the image to bulge towards the center.

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A image sensor format approximately equivalent un size to the Advance Photo System film negative in its C (Classic) format of 25.1 by 16.7 mm, an aspect ratio of 3:2

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a sensor that's the same size as a single frame of traditional 35mm film, measuring 36 x 24mm. The more popular APS-C sensor size found in most DSLRs and mirrorless cameras measures 22 x 15mm. This means a full-frame sensor has more than 2.5 times the surface area of an APS-C sensor.

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An image sensor or imager is a sensor that detects and conveys information to make a image. It does so by converting the variable attenuation of light waves into signals.

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It is the ratio of . a cameras sensor size to a 45mm film frame. Use it to calculate effective focal lengths and compare lenses bet ween DSLRs. It describes the difference between your cameras sensor size and a traditional 35mm film frame.

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byte kilobyte megabyte gigabyte terabyte

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byte kilobyte megabyte gigabyte terabyte

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They are units that measure data. A byte is 8 bits, kilobyte is 1024 bytes, megabyte is 1024 kilobyte and so on.

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Bringing different views of objects into the same picture to create a fragmented or abstracted.

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A type of picture or photograph that uses limited, simple objects and limited amounts of color.

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A type of art that challenges tradition art that includes imagery from popular culture.

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A type of art that is innovative and experimental

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A art movement that sought to release the creative potential of a unconscious mind, pictures created are usually illogical.

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The act of taking something for ones own use, usually without owners permission.

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A superimposition of two or more exposures to create a single image.

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Art work depicting mostly inanimate objects that can be either natural or manmade.

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Taking photos for sales, money and commercial use. It is often associated with advertisements, sales pitches, brochures, product placements as well as merchandising.

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Taking photos from a Ariel vehicle for a higher viewpoint on a subject

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A graphical display of data using bars of different heights. In a histogram, each bar groups numbers into ranges. Taller bars show that more data falls in that range. A histogram displays the shape and spread of continuous sample data.

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A term applied to an array of concepts and attitudes that reject prior definitions of art and question art in general

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A collection or gathering of things or people.

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A filter that reduces or modifies the intensity of all wavelengths, or colors, of light equally, giving no changes in hue of color rendition.

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The deliberate processing of photographic film in a chemical solution intended for a different type of film.

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a tight structure of a similar shape to the honeycomb made by honey bees. It's affixed to the front of a studio strobe. Or it can be fixed to an off-camera flash. The light shines through the grid and creates a tight beam of light. The aim is to create a focused beam with little diffusion.

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A beauty dish is a photographic lighting device that uses a parabolic reflector to distribute light towards a focal point. The light created is between that of a direct flash and a softbox, giving the image a wrapped, contrasted look, which adds a more dramatic effect.

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a tube or similar object that fits over a studio light or portable flash and allows the photographer to control the direction and radius of the light beam.

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A softbox diffuses the light into a pleasing soft, even light. When used properly, it reduces harsh shadows. The closer thesoftbox is to the model or subject, the softer the light appears, emulating window light.

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a self-contained photographic flash lighting unit usually found in a studio. Each monolight has its own independent power source. It does not depend on a centralized power supply as a "pack and head" system does.

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A light source that causes a specular highlight in a subject's eye in an image.

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adjusting tones to brighten, darken, add contrast and shift colors

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can move and stretch the brightness levels of an image histogram. It has the power to adjust brightness, contrast, and tonal range by specifying the location of complete black, complete white, and midtones in a histogram.

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a simple lighting tool that is commonly used for beauty shots, portraits, and macro photography. It is usually made up of a number of small bulbs forming a circle or just one circular fluorescent bulb

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the use of camera movements that change the orientation and/or position of the lens with respect to the film or image sensor on cameras.

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an abbreviation of the photography term “Straight Out Of Camera”, simply meaning that an image can be good enough to print straight from the camera without further processing.

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A positive photograph on glass made by a variant of the wet plate collodion process. Like a print on paper, it is viewed by reflected light.

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A photographic image-transfer process, or print making technique, which uses instant film. This way an image can be put on textiles, cups, glass and many other surfaces

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An image produced from a photographic negative transferred to a metal plate and etched in.

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A way of making pictures and artwork by chemically treating a canvas to be photo sensitive in order to capture the silhouettes of items placed on it.

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an organic alternative photography process akin to the anthotype process. However, instead of printing on the crushed extract of fruit or plant matter, the prints are bleached by sunlight directly onto the surface of leaves using a positive

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a technique that produces a sense of drama to a portrait. This form of lighting is when half of the subject's face is lit, while the other half is left dark.

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a lighting technique that is used in studio portrait photography. It can be achieved using one light and a reflector, or two lights, and is popular because it is capable of producing images which appear both natural and compelling with a minimum of equipment.

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lighting pattern where the subject is lit from about 45 degrees in front of them and above. This creates a nose shadow that 'loops' down at an angle onto their cheek. It is a slightly directional lighting pattern - the light is not flat, but the face is still mostly illuminated.

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The key light is placed above and directly centered with a subject's face. This creates a shadow under the nose that resembles a butterfly.

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lighting pattern where the portion of the subject's face that is turned toward the camera is lit most brightly.

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Short lighting is a classic portrait lighting pattern where the subject is lit from the side of their face that is farthest from the camera. The portion of the face that is most brightly lit is 'shorter' than if the light were positioned on the side of the face that is closest to the camera.