In part 1 of this 2 part lighting video tutorial, international lighting wizard Dave Montizambert goes way out of his way on a very confusing subject, how the Inverse Square Law calculates exposure when distance of light is changed. Understanding this principle will make you a faster, more confident light sculptor, and a complete bore at cocktail parties.
![](https://montizambert.com/wp/wp-content/uploads/2017/02/003_8-ft.jpg)