A control on the barrel of a lens that allows changing the magnification, or zoom, of the lens by rotating it.

In image editing, to enlarge or reduce the size of an image on your monitor. In photography, to enlarge or reduce the size of an image using the magnification settings of a lens.

A lens that has a shorter focal length and a wider field-of-view than a normal lens for a particular film or digital image format.

In image editing, the lightest pixel in the highlight area of an image.

The adjustment of a digital camera to the color temperature of the light source. Interior illumination is relatively red; outdoors light is relatively blue. Digital cameras often set
correct white balance automatically, or let you do it through menus. Image editors can often
do some color correction of images that were exposed using the wrong white balance setting.

The color formed by combining all the colors of light (in the additive color model) or by removing all colors (in the subtractive model).

Dark corners of an image, often produced by using a lens hood that is too small for the field-of-view, or generated artificially using image-editing techniques.

The device in a camera used to frame the image. With an SLR camera, the viewfinder is also used to focus the image if focusing manually. You can also focus an image with the LCD display of a digital camera, which is a type of viewfinder.

A high-speed serial communication method commonly used to connect digital cameras and other devices to a computer.

The process for increasing the contrast between adjacent pixels in an image, increasing sharpness, especially around edges.