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The “S” mode is similar, allowing the photographer or the DSLR camera to set the shutter speed first, and the camera then adjusts the other settings, based on the shutter speed. The “S” mode is short for “shutter priority automatic.

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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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Aperture priority, often abbreviated A or Av (for aperture value) on a camera mode dial, is a 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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Program mode has the camera calculate both shutter speed and aperture

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Tv mode is what we photographers commonly refer to as Shutter Priority mode. If you dig deep in your manual, you will actually see that Tv stands for “Time Value.”

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In photography, ASA and ISO 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. Now, most film is labeled by ISO, which was created in 1987 by the International Organization for Standardization.Mar 31, 2015

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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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Used colloquially in the context of film photography, ISO followed by a number (e.g., 400) represented the sensitivity of a given film emulsion to light, often referred to as "film speed."

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Image noise is random variation of brightness or color information in images, and is usually an aspect of electronic noise

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An image sensor 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 imaging device lens into a digital image.

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are what the camera uses to focuson 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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In photography, bracketing 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

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SO originally referred to the sensitivity of film—it's "light gathering" ability. ... 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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Burst mode, also called continuous shooting mode, sports mode or continuous high speed mode, is a shooting mode in still cameras. In burst mode, several photographs are captured in quick succession by either pressing the shutter button or holding it down

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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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Bokeh is pronounced BOH-Kə or BOH-kay. ... Bokeh isdefined as “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.” Simply put, bokeh is the pleasing or aesthetic quality of out-of-focus blur in a photograph.

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, 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 photography, the 35 mm equivalent focal length is a measure that indicates the angle of view of a particular combination of a camera lens and film or sensor siz

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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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Light that comes more or less directly from sun: it varies very widely in brightness, colour and quality.

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comparative darkness or obscurity owing to interception of the rays of light. b : relative obscurity or retiremen

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An overcast sky is usually a dull and gray-looking sky when clouds are expected to cover all of the surrounding area.

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Tungsten light refers to an artificial lighting source (like a lamp or ceiling fixture) that emits heat and produce a “warmer” or reddish colour

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Fluorescence photography, process that records the glow or visible light given off by certain substances when they are irradiated by ultraviolet rays.

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A flash is a device used in photography producing aflash of artificial light

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made to fit the needs or requirements of a particular person. : doing work that fits the needs or requirements of a particular person

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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.

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art performance photography are terms that describe photographic techniques of moving a light source while taking a long exposure photograph

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to photograph or televise while rotating a camera on its vertical or horizontal axis in order to keep a moving person or object in view or allow the film to record a panorama: to pan from one end of the playing field to the other during the opening of the football game.

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Digital cameras are identiﬁed based on theirresolution, which is measured in megapixels. This term is simply a measure of how many millions of pixels the camera's image sensor captures to produce the digital image.

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Put simply, sepia is a form of photographic print toning – a tone added to a black and white photograph in the darkroom to “warm” up the tones (though since it is still a monochromatic image it is still considered black and white).

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photographs and photography there are three areas of 'tone' within the total range of color in an image, The Highlights contain the brightest tones, the Shadows contain the darkest, and the midtones contain everything in between.

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ormally it is assumed to be one of the brightest points in the image. Highlights are normally created by a bright or intense illumination or by various forms of diffusion or reflection. Highlights are created by any bright light source.

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is a dark area where light from a light source is blocked by an opaque object. It occupies all of the three-dimensional volume behind an object with light in front of it

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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.