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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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Time-lapse photography is a technique whereby the frequency at which film frames are captured is much more spread out than the frequency used to view the sequence. When played at normal speed, time appears to be moving faster and thus lapsing.

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standard feature on digital cameras that will automatically determine the correct exposure for pictures without any user input other than to select the AE option before taking a picture.

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manual control of the aperture, and shutter speed is calculated by the camera for proper exposure given an ISO sensitivity.

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setting on some cameras that allows the user to set a specific aperture value (f-number) while the camera selects a shutter speed to match it that will result in proper exposure based on the lighting conditions

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the user manually chooses a shutter speed setting while the camera automatically adjusts the aperture for each shot.

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calculate both shutter speed and aperture Shutter priority or Time value enables manual control of the shutter speed, and aperture is calculated by the camera for proper exposure

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measures the sensitivity of the image sensor. The same principles apply as in film photography – the lower the number the less sensitive your camera is to light and the finer the grain.

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random variation of brightness or color information in images, and is usually an aspect of electronic noise. It can be produced by the sensor and circuitry of a scanner or digital camera.

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are both measurements of film speed, or sensitivity to light. ASA is a scale created by the American Standards Association, but it is no longer widely used.

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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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is an electronic device that converts an optical image into an electronic signal. It is used in digital cameras and imaging devices to convert the light received on the camera or  device lens into a digital image.

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A digital single-lens reflex camera 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. Photo metadata allows information to be transported with an image file, in a way that can be understood by other software, hardware, and end users, regardless of the format.

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term used by graphic designers and photographers for a small image representation of a larger image, usually intended to make it easier and faster to look at or manage a group of larger images.

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SOOC means straight-out-of-camera and denotes ZERO computer photoshop.

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is an image stabilization technology that minimizes blur caused by camera shake. ... Nikon VR originates in the lens, not in the image sensor, which means that algorithms optimized to an individual lens are applied.

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Autofocus 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

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is the general technique of taking several shots of the same subject using different camera settings. ... Autobracketing is automatic bracketing by using a setting on the camera to take several bracketed shots (in contrast to the photographer altering the settings by hand between each shot).

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. For digital photography, ISO refers to the sensitivity—the signal gain—of the camera's sensor. The ISO setting is one of three elements used to control exposure; the other two are f/stop and shutter speed.

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Exposure compensation is a technique for adjusting the exposure indicated by a photographic exposure meter, in consideration of factors that may cause the indicated exposure to result in a less-than-optimal image

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The f-number of an optical system is the ratio of the system's focal length to the diameter of the entrance pupil. It is a dimensionless number that is a quantitative measure of lens speed, and an important concept in photography. It is also known as the focal ratio, f-ratio, or f-stop.

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In optics, particularly as it relates to film and photography, the optical phenomenon known as depth of field, is the distance about the plane of focus where objects appear acceptably sharp in an image.

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In optics, an aperture is a hole or an opening through which light travels. More specifically, the aperture and focal length of an optical system determine the cone angle of a bundle of rays that come to a focus in the image plane. An optical system typically has many openings or structures that limit the ray bundles.

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the effect of a soft out-of-focus background that you get when shooting a subject, using a fast lens, at the widest aperture, such as f/2.8 or wider

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a prime lens is a fixed focal length photographic lens (as opposed to a zoom lens, typically with a maximum aperture from f2.8 to f1.2. The term can also mean the primary lens in a combination lens system.

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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 basic idea behind panning as a technique is that you pan your camera along in time with the moving subject and end up getting a relatively sharp subject but a blurred background. This gives the shot a feeling of movement and speed.

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In photography and image processing, color balance is the global adjustment of the intensities of the colors. An important goal of this adjustment is to render specific colors

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, the sunny 16 rule also known as the sunny f/16 rule is a method of estimating correct daylight exposures without a light meter. ... As the rule is based on incident light, rather than reflected light as with most camera light meters, very bright or very dark subjects are compensated for.

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your subject is standing in the shade so direct sunlight is not hitting him, but he is looking out of the shade toward the open sky.

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that a cloudy or overcast day produces really soft light that can be flattering on the human face.

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refers to an artificial lighting source like a lamp or ceiling fixture that emits heat and produce a warmer or reddish colour. It is distinguished from fluorescent lighting which generates much lower heat, and strobe lighting.

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This mode is used for getting brighter and warmer shots while compensating for the cool shade of fluorescent light. ... This mode helps pick the right White Balance under low light conditions.

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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. ... Flash units are commonly built directly into a camera.

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a usage or practice common to many or to a particular place or class or habitual with an individual It is the custom in New Orleans to celebrate Mardi Gras.

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shutter speed or exposure time is the length of time when the film or digital sensor inside the camera is exposed to light, also when a camera's shutter is open when taking a photograph. The amount of light that reaches the film or image sensor is proportional to the exposure  time.

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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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A form of support for the camera. Normally monopods are constructed as one upright, described variously as a 'leg', staff or pole. ... The monopod is used to hold the camera steady while in the field. It is not as steady as a tripod since it has only one leg.

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This generally occurs more often if you're shooting on a low shutter speed or with a heavy lens, and can be avoided by using a tripod and cable release setup.

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Typically are the darkest parts casted by the picture, or the darker areas on a picture.

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Midtones are the second brightest or medium toned parts casted by an image

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typically the brightest most area of a picture

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a dark reddish-brown pigment obtained from the inky secretion of the cuttlefish. any cuttlefish of the genus Sepia. a brownish tone imparted to a photograph, esp an early one such as a calotype.

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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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when used to describe a digital camera refers to the size of the digital image the cameraproduces, and is usually expressed in terms of "megapixels" or how many million pixels it can record in a single image.