The delay before the monitor or camera turns off automatically; the delay before the exposure meters turn off automatically (auto meter-off).

A duplicate image of the sun, car headlights, or other bright light source at a different position in the frame from the original light source. Ghosting is distinct from flare, in which light from a b [..]

A numeric expression of flash power. The higher the guide number, the greater the power of the flash and the greater the distance at which the flash can provide sufficient illumination for optimal exp [..]

An abbreviation of “H

One of the brightest parts of an image.

A graph showing the distribution of pixels of different brightnesses (tones) in an image. The horizontal axis corresponds to brightness, the vertical axis to the number of pixels. If the image contain [..]

The property that defines the difference between colors such as “red” and “yellow.” The hue adjustment available with digital cameras can be used to make reds more yellow or purple, yellows more green [..]

A device that converts light (i.e., images) into electronic signals. Image sensors are composed of micro-lenses for maximum light concentration, color filters that split light into separate color sign [..]

A function that controls the sharpness of outlines in photographs.

The dimensions of an image in pixels. Sometimes stated using abbreviations such as “L” (large), “M” (medium), or “S” (small).