What Is ISO In Photography? All You Need To Know

ISO in photography refers to the sensitivity of the camera sensor to light. ISO is a camera setting that allows you to make a picture brighter or darker. The ISO setting helps you to use different apertures and shutter speed combinations to get the correct exposure in varying lighting conditions. The ISO setting enables you to use faster shutter speeds in low-light conditions. ISO is one of the three elements of the exposure triangle, the others being aperture and shutter speed.