The international standard measurement of a camera's sensitivity to light, often simply called the "eye-so." For analog film cameras, the ISO is the "film speed," which is based on the chemical ...

Compared to ISO and aperture, shutter speed is a relatively straightforward concept to understand. It's the period of time that a camera's sensor (or film) is exposed to light after you hit the ...

Those stepping out of auto mode will need to learn about three essential settings in photography: aperture, ISO, and shutter speed. These are commonly referred to as the “exposure triangle,” as one ...