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a category of artistic composition, as in music or literature, characterized by similarities in form, style, or subject matter.

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The photo curator is a relatively new development in the world of photography careers, but it is an exciting one, nevertheless. There are museums and art houses around the world that are opening up curator positions exclusively to those with a background in photography.

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A twin-lens reflex camera (TLR) is a type of camera with two objective lenses of the same focal length. One of the lenses is the photographic objective or "taking lens" (the lens that takes the picture), while the other is used for the viewfinder system, which is usually viewed from above at waist level.

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The standard photographic film format for analog single lens reflex (SLR) still cameras and motion picture cameras. Dating back to the first quarter of the 20th century, the 35mm format has mostly given way to digital still and video technologies. The 35mm film frame is 36 x 24mm, and high-end digital SLR (DSLR) and video cameras use sensors of equivalent size.

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An art exhibition is traditionally the space in which art objects (in the most general sense) meet an audience. The exhibit is universally understood to be for some temporary period unless, as is rarely true, it is stated to be a "permanent exhibition".

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The role of any rule of composition is to draw the eye into a photograph. Framing refers to using elements of a scene to create a frame within your frame. For example, you might shoot through a doorway, pulled back curtains, branches, fences, tunnels, or arches to highlight your subject.

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A room or building for the display or sale of works of art.

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he exclusive legal right, given to an originator or an assignee to print, publish, perform, film, or record literary, artistic, or musical material, and to authorize others to do the same.

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Leading lines are one of the most useful elements in photography. They can be used to create powerful images with a strong visual impact. Leading lines help draw the eye into the image and focus the viewer's attention on the main subject. They're also an excellent means of creating depth and symmetry.

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The Basics of Shape. When thinking of shape in photography, imagine a flat, two-dimensional object without light and shadow. A silhouette is a great example of shape within a photo. The shape should be something your viewer can identify, as it becomes part of your subject matter

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Color (or colour) photography is photography that uses media capable of reproducing colors. By contrast, black-and-white (monochrome) photography records only a single channel of luminance (brightness) and uses media capable only of showing shades of gray.

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Form refers to when shape takes on three dimensions. Form is created by shadows and highlights on an object in the photograph.

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Texture photography is one way of drawing the viewer's attention into the image.Photographs that use this technique create impact by showing different textures. They an often take the form of curves. These curves can be very effectively utilized for composition purposes. When this is the case, the curves tend to fall into one of two categories: leading curves and non-leading curves.

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Put simply, negative space is the area which surrounds the main subject in your photo (the main subject is known as the "positive space"). This definition is rather abstract, so take the following example; the power lines in this image form the positive space while the sky is the negative space.

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In photography, exposure value (EV) is a number that represents a combination of a camera's shutter speed and f-number, such that all combinations that yield the same exposure have the same EV (for any fixed scene luminance).

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Is defined as an area or object within the artwork that draws attention and becomes a focal point. Subordination is defined as minimizing or toning down other compositional elements in order to bring attention to the focal point.

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Is a tool that photographers use to direct viewers' attention to their subject. There are two types: Tonal Contrast and Color Contrast. TC refers to the difference in tones from the lightest tone to the darkest tone, in other words, the difference in tones from white to gray to black.

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In art the size relationship between an object and the human body is significant. In experiencing the scale of an artwork we tend to compare its size to the size of our own bodies. Proportion refers to the relative size of parts of a whole (elements within an object).

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Is a compositional technique in photogrpahy that juxtaposes images within a frame so that the objects are of equal visual weight. When different parts of a photocommand your attention equally, perfect balance is achieved.

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Pattern photography utilizes elements that are repeated. The repetition of lines, shapes, tones or color can create interesting images. There are photographers who use the pattern as the main subject of an image while others use it to enhance the overall composition and look of the photograph.

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Definition of Rhythm: a movement in which some elements recurs regularly. Like a dance it will have a flow of objects that will seem to be like the beat of music. Definition of Movement: is the path the viewer's eye takes through the artwork, often to a focal area.

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Definition of Unity: occurs when all of the elements of a piece combine to make a balanced, harmonious, complete whole. Unity is another of those hard-to-describe art terms but, when it's present, your eye and brain are pleased to see it. Definition of Harmony: brings together a composition with similar units.

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Symmetry around a central axis, as in a starfish or a tulip flower.

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Made up of exactly similar parts facing each other or around an axis; showing symmetry.

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MOC Zuckerman on Composition Symmetry 13-7

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Having parts that fail to correspond to one another in shape, size, or arrangement; lacking symmetry.

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Irony can be a juxtaposition too. It is a conceptual contrast that we often shoot without noticing it, particularly when shooting street photography. The image below was consciously taken with the idea to create an ironic juxtaposition between the static go slow sign and the speeding traffic.

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Monochrome photography is photography where each position on an image can record and show a different amount of light, but not a different hue. It includes all forms of black-and-white photography, which produce images containing tones of neutral grey ranging from black to white

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Abstract photography is based on the photographers eye. We're looking to capture something in a way that it would not usually be seen. Looking for the details, the patterns, the lines, the form, shape and colors that complete a subject and utilizing those key features to make an engaging image.

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Red, yellow, orange and brown are warm colours. Blue is a cool colour. Green and purple are somewhere in-between. Warm colours appear to come forward in a photo, and cool colours to recede.

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Warm colors are those that tend to advance in space and can be overwhelming. Examples of warm colorsinclude red, yellow and orange (think exciting fire and volcanoes). Contrast with cool colors. Recommended Reading: Webopedia's The Science of Color .

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Complementary colors are pairs of colors which, when combined, cancel each other out. This means that when combined, they produce a grayscale color like white or black. When placed next to each other, they create the strongest contrast for those particular two colors.

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Abstract photography is based on the photographers eye. We're looking to capture something in a way that it would not usually be seen. Looking for the details, the patterns, the lines, the form, shape and colors that complete a subject and utilizing those key features to make an engaging image.

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A movement in art and literature that flourished in the early twentieth century. Surrealism aimed at expressing imaginative dreams and visions free from conscious rational control. Salvador Dali was an influential surrealist painter; Jean Cocteau was a master of surrealist film.

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The rule of thirds is a "rule of thumb" or guideline which applies to the process of composing visual images such as designs, films, paintings, and photographs. ... The horizon sits at the horizontal line dividing the lower third of the photo from the upper two-thirds.

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The Golden Ratio In Photography. Some argue that the rule of thirds is an oversimplification of a more advanced mathematical equation known as the golden ratio (also known as the golden mean). The golden ratiois a ratio which has continued to surprise artists, scientists, musicians and mathematicians for centuries.

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Leading lines refers to a technique of composition where the viewer of your photos attention is drawn to lines that lead to the main subject of the image. A leading line paves an easy path for the eye to follow through different elements of a photo.

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It is different from background lighting, which refers to the light that a photographer uses to illuminate a backdrop or background. Most photographers use backlighting to add depth into an image or a scene. Others use it to achieve a more dramatic effect.

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Diffusing light means to soften it by reducing glare and harsh shadows. ... Diffused light can bring out the best in your photography subjects by minimizing blemishes and wrinkles. It can also be used to create a very soft, cinematic look. There are a number of ways to diffuse light.

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Ambient Light traditionally refers to any form of light that the photographer did not add to their image, and can include both "natural" ambient sunlight, or "artificial" ambient light such as a nearby street light, lamp, or similar.

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While the term chiaroscuro originates from the Renaissance period and is often associated with painting or drawing, it has evolved into the photographic world and now often simply means strong and bold contrasts between light and dark areas in a photograph.

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Silhouette photography is a wonderful way to convey drama, mystery, emotion and mood in a picture. A silhouette is defined as a view of an object or a scene consisting of the outline and a featureless interior, with the silhouetted object usually being black.

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A diptych (pronounced dip'tik) was originally a pair of paintings hinged together. ... In photography the diptych has become a popular format. Pairs of closely associated portraits, images or themed pictures are often used to off-set one another.

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A picture or relief carving on three panels, typically hinged together side by side and used as an altarpiece.

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In digital imaging, a pixel, pel, dots, or picture element is a physical point in a raster image, or the smallest addressable element in an all points addressable display device; so it is the smallest controllable element of a picture represented on the screen. ... The intensity of each pixel is variable.

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he first hour after the occurrence of a traumatic injury, considered the most critical for successful emergency treatment.

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The blue hour (from French l'heure bleue) is the period of twilight in the morning or evening, during the civil and nautical stages, when the Sun is at a significant depth below the horizon and residual, indirect sunlight takes on a predominantly blue shade.

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A file format is a standard way that information is encoded for storage in a computer file. It specifies how bits are used to encode information in a digital storage medium. ... Some file formats are designed for very particular types of data: PNG files, for example, store bitmapped images using lossless data compression.

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JPG is a file extension for a lossy graphics file. The JPEG file extension is used interchangeably with JPG. JPEG stands for Joint Photographic Experts Group who created the standard. ... The Exif and JFIF standards define the commonly used formats for interchange of JPEG-compressed images.

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A camera raw image file contains minimally processed data from the image sensor of either a digital camera, or motion picture film scanner, or other image scanner. Raw files are named so because they are not yet processed and therefore are not ready to be printed or edited with a bitmap graphics editor.

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TIFF (Tag Image File Format) is a common format for exchanging raster graphics (bitmap) images between application programs, including those used for scanner images. A TIFF file can be identified as a file with a ".tiff" or ".tif" file name suffix.

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A .PSD file is a layered image file used in Adobe PhotoShop. PSD, which stands for Photoshop Document, is the default format that Photoshop uses for saving data. PSD is a proprietary file that allows the user to work with the images' individual layers even after the file has been saved.