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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 camera setting corresponding to a particular f-number.

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

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The focal length of the lens is the distance between the lens and the image sensor when the subject is in focus, usually stated in millimeters (e.g., 28 mm, 50 mm, or 100 mm). In the case of zoom lenses, both the minimum and maximum focal lengths are stated, for example 18–55 mm.

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In optics, particularly as it relates to film and photography, depth of field (DOF), also called focus range or effective focus range, is the distance between the nearest and farthest objects in a scene that appear acceptably sharp in an image.

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A digital single-lens reflex camera (also called a digital SLR or DSLR) is a digital camera that combines the optics and the mechanisms of a single-lens reflex camera with a digital imaging sensor, as opposed to photographic film.

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

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An image stabilization technology that minimizes blur caused by camera shake. ... Another advantage of lens-based VR is that a separate algorithm confirms the stabilization effect when you press the shutter release button halfway, giving you the freedom to compose your image more easily.

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

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One of the main settings on your camera, and it lets you manually control shutter speed, aperture, and ISO. ... The auto modes (Auto, Program), and semi automatic modes (Aperture Priority, and Shutter Priority) on your camera are great places to start.

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The four main modes, sometimes abbreviated "PASM", are: P: Program mode has the camera calculate both shutter speed and aperture (given a manually or automatically selected ISO).

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A language definition is a JavaScript object describing the default parsing mode for the language. This default mode contains sub-modes which in turn contain other sub-modes, effectively making the language definition a tree of modes.

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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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In automatic mode the cameras will make all the decisions for you, including the aperture setting, the shutter speed, white balance and ISO. Nearly all digital cameras have an automatic exposure mode. ... Macro mode to focus on subjects close to the camera lens.

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Auto focus points are what the camera uses to focus on a subject. You'll probably first notice them when you press the shutter halfway. Many cameras will emit a "beep," and some of the AF points will light up (often in a red or green color) in the viewfinder or on the display screen.

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Place (one or more people or things) in the same category or group.

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An electronic viewfinder (EVF) is a camera viewfinder where the image captured by the lens is projected electronically onto a miniature display. The image on this display is used to assist in aiming the camera at the scene to be photographed.

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An instrument for measuring the intensity of light, used chiefly to show the correct exposure when taking a photograph.

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A point-and-shoot camera, also known as compactcamera, is a still camera designed primarily for simple operation. Most use focus free lenses or autofocus for focusing, automatic systems for setting the exposure options, and have flash units built in. ... None have lens threads.

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

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Bulb mode is mostly used for long exposures at night. ... It is simply a wired remote control that allows the photographer to lock the shutter button to take LONG exposures without actually standing there and holding the button down.

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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 exposure, either due to rapid movement or long exposure.

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Monopods are one-legged. Tripods have three legs in a triangular pattern. ... The tripod is a bit more stable in its support, the monopod prevents up and down shake which is most important, side to side less support but that's not usually the problem with hand held shots which the monopod improves greatly.

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Light painting, or light drawing, is a photographic technique in which exposures are made by moving a hand-held light source while taking a long exposure photograph, either to illuminate a subject or to shine a point of light directly at the camera, or by moving the camera itself during exposure.

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The exposure triangle is a common way of associating the three variables that determine the exposure of a photograph: aperture, shutter speed, and ISO. One must balance all three of these to achieve a desired result, an adjustment of one requiring adjustments of at least one of the others.

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Exposure compensation is the control by which you temporarily adjust your camera's definition of what is"properly exposed". Put simpler, it's a way to force the camera to make your photos darker or brighter to the degree that you tell it.

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In burst mode, several photographs are captured in quick succession by either pressing the shutter button or holding it down. This is used mainly when the subject is in successive motion, such as sports photography.

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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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Post-processing may refer to: Image editing in photography. Audio editing software in audio. Differential GPS post-processing, an enhancement to GPS systems that improves accuracy. Video post-processing, methods used in video processing and 3D graphics.

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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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Camera resolution is measured in megapixels (meaning millions of pixels); both image ﬁleresolution and monitor resolution are measured in either pixels per inch (ppi) or pixel dimensions (such as 1024 by 768 pixels); and printer resolution is measured in dots per inch (dpi) (see below).

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A wide-angle lens with a field of vision covering up to 180°, the scale being reduced toward the edges.

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Unintentional slight movement of a camera during photography or filming, liable to cause blurring of the image.

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Criticize (someone or something) severely.