English
« Back to Glossary Index
Light fall-off follows an inverse-square law, meaning that the power of the light is inversely proportional to the square of the distance. For example, taking distance of 2 and squaring it equals 4, the inverse of which is 1/4 (meaning a quarter of the original power).
« Back to Glossary Index
DXOMARK encourages its readers to share comments on the articles. To read or post comments, Disqus cookies are required. Change your Cookies Preferences and read more about our Comment Policy.