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Long-exposure, time-exposure, or slow-shutter photography involves using a long-duration shutter speed to sharply capture the stationary elements of images while blurring, smearing, or obscuring the moving elements.

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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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used in motion pictures to capture images

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A twin-lens reflex camera is a type of camera with two objective lenses of the same focal length.

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Large format refers to any imaging format of 4×5 inches or larger.

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The gelatin silver process is the photographic process used black-and-white films and printing papers

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a keeper or custodian of a museum or other collection.

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a public display of works of art or items of interest, held in an art gallery or museum or at a trade fair.

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the action of framing something.

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

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the 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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shape encloses a two dimensional picture

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Form encloses a three dimensional area

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Light reflected from a surface

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Shadow shades from light to dark

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the area in and around an object

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the surface quality of an object.

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Balance is the distribution of the visual weight of objects, colors, texture, and space

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Variety is often obtained through the use of diversity and change by artists who wish to increase the visual interest of their work.

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pattern is a design in which lines, shapes, forms or colors are repeated.

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Proportion in art is the relationship of two or more elements in a composition and how they compare to one another with respect to size, color, quantity, degree, setting

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Movement is the path the viewer's eye takes through the work of art, often to focal areas

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unity is the way in which the different elements of a composition interact with one another

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Emphasis is a strategy that aims to draw the viewer's attention to a specific design element.

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symmetry around a central axis

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made up of exactly similar parts facing each other or around an axis

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having parts which fail to correspond to one another in shape, size, or arrangement

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the fact of two things being seen or placed close together with contrasting effect.

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containing or using only one color.

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existing in thought or as an idea but not having a physical or concrete existence.

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cool color is used to describe any color that is calm or soothing in nature.

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As the name indicates, they tend to make you think of warm things, such as sunlight and heat.

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a color that combined with a given color makes white or black.

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Neutrals such as beige, ivory, taupe, black, gray and shades of white appear to be without color

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denoting the photographic technique of taking a sequence of frames at set intervals to record changes that take place slowly over time. When the frames are shown at normal speed, or in quick succession, the action seems much faster.

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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

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two quantities are in the golden ratio if their ratio is the same as the ratio of their sum to the larger of the two quantities. The figure on the right illustrates the geometric relationship.

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Leading lines are lines that appear in a photograph that have been framed and positioned by the photographer to draw the viewer's eye towards a specific point of interest.

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Positive space refers to the subject or areas of interest in an artwork, such as a person's face or figure in a portrait, the objects in a still life painting, or the trees in a landscape painting

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Negative space, in art, is the space around and between the subject of an image.

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illumination from behind.

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Diffuse light is light that is scattered, causing it to fall on the crop from all sides.

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Ambient (or general ) light is typically seen as the starting point for a space or a room. It makes up the "base" amount of light in a room.

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A silhouette effect is created when a light source is placed behind your subject, with little to no light in front of your subject.

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the treatment of light and shade in drawing and painting.

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a thing aimed at or sought; a goal.

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based on or influenced by personal feelings, tastes, or opinions.

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Constructive criticism is a helpful way of giving feedback that provides specific, actionable suggestions.

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the practice of taking someone else's work or ideas and passing them off as one's own.

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a symbol, word, or words legally registered or established by use as representing a company or product.

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relating to moral principles or the branch of knowledge dealing with these.

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Light painting, painting with light, light drawing, or light art performance photography are terms that describe photographic techniques of moving a light source while taking a long exposure photograph

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The diptych—two images combined into a single frame or presented together

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The photographs are usually arranged with a plain border between them.

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a minute area of illumination on a display screen, one of many from which an image is composed.

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In photography, the golden hour is the period of daytime shortly after sunrise or before sunset, during which daylight is redder and softer than when the Sun is higher in the sky.

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The blue hour is the period of twilight 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.

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JPEG is a commonly used method of lossy compression for digital images, particularly for those images produced by digital photography.

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RAW file is the most common file format for uncompressed images captured by digital cameras and Scanners.

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Tagged Image File Format, abbreviated TIFF or TIF, is a computer file format for storing raster graphics images, popular among graphic artists, the publishing industry, and photographers.

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PSD (Photoshop Document) is an image file format native to Adobe's popular Photoshop Application.

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In cinematography and photography panning means swivelling a still or video camera horizontally from a fixed position. This motion is similar to the motion of a person when they turn their head on their neck from left to right.

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The amount of detail that the camera can capture is called the resolution, and it is measured in pixels. The more pixels a camera has, the more detail it can capture and the larger pictures can be without becoming blurry or "grainy."

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a reddish-brown color associated particularly with monochrome photographs of the 19th and early 20th centuries.

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a dark area or shape produced by a body coming between rays of light and a surface.

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A medium tone, one that is neither very dark nor very light.

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an outstanding part of an event or period of time.

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The term post-processing is used in the video/film business for quality-improvement image processing methods used in video playback devices, and video players software and transcoding software.

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denoting or relating to a camera that combines the optics and mechanisms of a single-lens reflex camera with a digital imaging sensor, rather than photographic film.

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a set of data that describes and gives information about other data.

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a very small or concise description, representation, or summary.

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SOOC is 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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Vibration Reduction (VR) is an image stabilization technology that minimizes blur caused by camera shake.

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Automatic mode is a mode in a digital camera where the camera's software fully controls all aspects of the photograph, from the shutter speed to the aperture setting to the focus.

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Program mode (the "P" on the mode dial of most DSLRs) means that the camera still sets the exposure for you. It chooses the correct aperture and shutter speed for the light available, so your shot is correctly exposed.

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an exposure system used in some automatic cameras in which the aperture is selected by the user and the appropriate shutter speed is controlled automatically.

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a system used in some automatic cameras in which the shutter speed is selected by the user and the appropriate aperture is then set by the camera.

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Manual mode on a camera allows the photographer to determine the exposure of an image by letting them select an aperture value and a shutter speed value.

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The ASA (American Standards Association) scale is an arbitrary rating of film speed

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n photography, ISO relates to a sensor's (or film's) sensitivity to light

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Film grain or granularity is the random optical texture of processed photographic film due to the presence of small particles of a metallic silver, or dye clouds, developed from silver halide that have received enough photons

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In digital photographs, “noise” is the commonly-used term to describe visual distortion.

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An image sensor or imager is a sensor that detects and conveys information used to make an image.

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space through which light passes in an optical or photographic instrument, especially the variable opening by which light enters a camera.

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the f-number of an optical system such as a camera lens is the ratio of the system's focal length to the diameter of the entrance pupil.

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the visual quality of the out-of-focus areas of a photographic image, especially as rendered by a particular lens.

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For many cameras, depth of field is the distance between the nearest and the farthest objects that are in acceptably sharp focus in an image.

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The focal length of an optical system is a measure of how strongly the system converges or diverges light; it is the inverse of the system's optical power.

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the time for which a shutter is open at a given setting.

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The Bulb setting on camera shutters is a momentary-action mode that holds shutters open for as long as a photographer depresses the shutter-release button.

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Motion blur is the apparent streaking of moving objects in a photograph or a sequence of frames, such as a film or animation. It results when the image being recorded changes during the recording of a single exposure, due to rapid movement or long exposure.

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Camera shake is a term used to define the act of accidentally shaking a camera during shooting due to unsteady hands, which results in blurry images.

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A monopod, also called a unipod, is a single staff or pole used to help support cameras, binoculars, rifles or other precision instruments in the field

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A full-frame DSLR is a digital single-lens reflex camera with a 35 mm image sensor format.

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Advanced Photo System type-C is an image sensor format approximately equivalent in size to the Advanced Photo System film negative in its C format, of 25.1×16.7 mm, an aspect ratio of 3:2.

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n digital photography, the crop factor, format factor, or focal length multiplier of an image sensor format is the ratio of the dimensions of a camera's imaging area compared to a reference format; most often, this term is applied to digital cameras, relative to 35 mm film format as a reference.

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In film and photography, a prime lens is a fixed focal length photographic lens, typically with a maximum aperture from f2.8 to f1.2.

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A telephoto lens, in photography and cinematography, is a specific type of a long-focus lens in which the physical length of the lens is shorter than the focal length.