Opinions differ on the ideal ISO setting for photographing the ... which may let you use a larger f-stop (smaller aperture) ...

If the camera's shutter speed and aperture cannot be altered for certain scenes, changing the ISO is a third variable that can accomplish the desired exposure. In a digital camera, ISO can be set ...

varying the ISO but keeping the shutter speed and aperture fixed. The higher ISO settings are helpful when you want faster shutter speeds under normal lighting, to help freeze fast action.

In both traditional and digital photography, you can experiment by exploring aperture, shutter speed and focus ... This is useful to show movement or speed. ISO settings are about the light ...

Safety Shift can instead automatically adjust ISO from 100 to 3,200 in P ... in the viewfinder show the current aperture and shutter speed settings the camera has computed, while the vertical ...