5.1 | Aperture and Depth of Field
5.2 | Shutter speed
5.3 | ISO
5.4 | The exposure triangle
5.5 | Histogram
5.6 | Bracketing
5.7 | White balance
How long light falls on the sensor depends on the shutter speed. As long as a camera's shutter is open, light falls on the sensor. Depending on the shutter speed, an image may appear dynamic or fixed.