Exposure triangle and the ISO cameras setting is it's light to dark sensitivity. The higher the ISO, the more sensitive it is. This is measured according to the international standards, so one camera will be exactly the same on another. One must balance all three of these things to achieve the desired look.
A photographs exposure determines how light or dark an image will appear when its been captured by your camera. Believe it or not, this is determined by just three cameras settings: aperture, ISO and shutter speed (the "exposure triangle").
A photographs exposure determines how light or dark an image will appear when its been captured by your camera. Believe it or not, this is determined by just three cameras settings: aperture, ISO and shutter speed (the "exposure triangle").