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An exposure system used in some automatic cameras in which the aperture is selected by the user

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a camera setting corresponding to a particular f-number.

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the light that goes through the aperture

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The way the lens renders out-of-focus points of light

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The distance between the lens and the image sensor when the subject is in focus, usually stated in millimeters

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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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Digital single-lens reflex camera or DSLR, is a digital camera that combines the optics and the mechanisms of a single-lens reflexcamera with a digital imaging sensor

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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.

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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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One of the main settings on your camera, and it lets you manually control shutter speed, aperture, and ISO.

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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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Designed to capture specific scenes in ways that are traditionally considered best from a creative standpoint (Portrait, Landscape, Child, Close Up, Sports, Night Portrait)

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A setting on some cameras that allows the user to choose a specific shutter speed while the camera adjusts the aperture to ensure correct exposure.

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In Auto mode, your camera will automatically set the shutter, aperture, ISO, white balance, and even the pop-up flash for you.

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this is where the camera makes a best guess on a shot by shot basis. You’ll find it works in many situations but it’s worth venturing out of it for trickier lighting.

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Something that emits light is known as a light source.

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this compensates for the ‘cool’ light of fluorescent light and will warm up your shots.

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not all cameras have this setting because it sets things as fairly ‘normal’ white balance settings.

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the flash of a camera can be quite a cool light so in Flash WB mode you’ll find it warms up your shots a touch.

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this setting generally warms things up a touch more than ‘daylight’ mode.

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the light in shade is generally cooler (bluer) than shooting in direct sunlight so this mode will warm things up a little.

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Auto focus points are what the camera uses to focus on a subject.

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The process of taking three photos; one using the camera's recommended settings, one intentionally underexposed, and one intentionally overexposed.

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EVF stands for electronic viewfinder, a small electronic display (usually about half an inch) at the top of the back of a camera.

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The light meter is used to find that place where you get the greatest range of tones. It measures the amount of light that will be hitting your sensor so you know you are not underexposing or overexposing the important parts of your composition.

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Also known as compact camera, is a still camera designed primarily for simple operation.

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the shutter speed is the unit of measurement which determines how long shutter remains open as the picture is taken.

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This means the camera will keep taking a picture until your finger comes off the shutter button.

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the apparent streaking of rapidly moving objects in a still image or a sequence of images such as a movie or animation.

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tripod, monopods cannot support a camera independently. In the case of still cameras, this limits the shutter speed that can be used.

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a photographic technique in which exposures are made by moving a hand-held light source while taking a long exposurephotograph, 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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A common way of associating the three variables that determine the exposure of a photograph: aperture, shutter speed, and ISO.

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Used to alter exposure from the value selected by the camera, making photographs brighter or darker.

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several photographs are captured in quick succession by either pressing the shutter button or holding it down.

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a technique whereby the frequency at which film frames are captured (the frame rate) is much lower than that used to view the sequence.

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Using a process to transform photos from what was captured in a camera either to be closer to what our eyes saw, or to alter the image artistically.

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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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the detail an image holds. The term applies to raster digital images, film images, and other types of images. Higher resolution means more image detail.

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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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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.

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Gray-scale images have many shades of gray in between.

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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.

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mid tones have high contrast – the effect is dramatic, especially in black and white images but it can be overly harsh in your average photograph.

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highlight is a bright spot in a photograph. Normally it is assumed to be one of the brightest points in the image.

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shadow is a dark area where light from a light source is blocked by an opaque object.