The process of creating an image by recording light, usually using a camera. Non-digital photographs are made by exposing light-sensitive film or paper to light, making a negative image (the areas exposed to light go dark). This can then be transferred onto photographic paper as a positive image (dark and light areas are swapped back). Digital photographs are made by exposing an electronic image sensor to light. An image is captured as millions of pixels, with information on the colour and brightness of each one stored as digital data.