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“Programmed auto,” usually marked with a “P” on the mode dial, is another partially automatic mode. The DSLR camera will select the best shutter speed and aperture setting, depending on the available lighting, and the photographer can control the other settings.

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Program mode has the camera calculate both shutter speed and aperture (given a manually or automatically selected ISO). ..

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Program mode has the camera calculate both shutter speed and aperture (given a manually or automatically selected ISO). ... A or Av: Aperture priority or Aperture value enables manual control of the aperture, and shutter speed is calculated by the camera for proper exposure (given an ISO sensitivity).

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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 as measured by the camera's light meter.

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TV mode stands for Time Value but is better known as Shutter Priority Mode. In TV mode the user specifies a shutter speed, while the camera adjusts the aperture size to correctly expose the image.

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In Digital Photography ISO measures the sensitivity of the image sensor.

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In digital photographs, “noise” is the commonly-used term to describe visual distortion. It looks similar to grain found in film photographs, but can also look like splotches of discoloration when it's really bad, and can ruin a photograph. Noise tends to get worse when you're shooting in low light.

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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.

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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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An image sensor or imaging sensor (also: imager) is a sensorthat detects and conveys information used to make an image. It does so by converting the variable attenuation of light waves (as they pass through or reflect off objects) into signals, small bursts of current that convey the information.

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Stands for Digital Single Lens Reflex, 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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Thumbnails are reduced-size versions of pictures or videos, used to help in recognizing and organizing them, serving the same role for images as a normal text index does for words.

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Stands for straight-out-of-camera and refers to an image that is not edited in any way

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Vibration Reduction (Nikon) and Image Stabilization (Canon) is the name of a technology that helps stabilize the lens movement associated from hand shake. These stabilizers help eliminate blurry photos resulting from hand shake or if you're shutter speed is too slow.

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Autofocus points are what the camera uses to focus on a subject

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bracketing is the general technique of taking several shots of the same subject using different camera settings

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Your digital camera has an exposure level indicator scale (a.k.a. exposure scale or exposure meter). The numbers to the left and right of center tell you how many stops — or levels of exposure value (EV) — you are away from the center.

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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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The f-number of an optical system is the ratio of the system's focal length to the diameter of the entrance pupil

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In photography, bokeh is the aesthetic quality of the blur produced in the out-of-focus parts of an image produced by a lens

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the distance between the nearest and the furthest objects that give an image judged to be in focus in a camera

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White balance is the process that the camera uses to remove color casts produced by these different color temperatures and helps your camera emulate what your eyes do naturally when dealing with white.

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camera balances for sun by adding a lot of warmth

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camera balances for shade by adding a tiny bit of warmth

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camera balances for clouds by adding a bit of warmth

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camera balances for a light bulb by adding cool tones

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camera balances for fluorescent light by adding red tones

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camera balances for flash by adding a lot of warmth

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the photographer sets the white balance using a white card

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In photography, 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.

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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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In photography, a tripod is used to stabilize and elevate a camera, a flash unit, or other photographic equipment. All photographic tripods have three legs and a mounting head to couple with a camera. monopods cannot support a camera independently and only have one leg

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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. This generally occurs more often if you're shooting on a low shutter speed

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Consists of all the darkest tones captured within a photo

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The tones of an image between highlights and shadows. Affects the feel of the image

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The brightest tones within the image. Can be altered to alter the feel of the image

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A monochromatic brownish tone found within many early photographs such as calotypes

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Refers to editing the image after it has been taken. This is usually done in photoshop

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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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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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Digital cameras are identiﬁed based on their resolution, 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. The more megapixels a camera captures, the more information it gathers.