In this video @heyashleyboring, breaks down inverse square law and how it applies to lighting your backgrounds and backdrops. Gear Used: FJ400 Strobe: https://www.fjwestcott.com/products/f... FJ-X3m: https://www.fjwestcott.com/products/f... 43" Deep Umbrella (White): https://www.fjwestcott.com/products/4... Diffusion Fabric for 43" Deep Umbrella: https://www.fjwestcott.com/products/4... X-Drop Pro Wrinkle-Resistant Backdrop (Brown Sugar): https://www.fjwestcott.com/products/x... X-Drop Pro Stand: https://www.fjwestcott.com/products/x... Subscribe to Westcott Lighting's YouTube channel to see exclusive behind-the-scenes content, lighting education, and the latest gear tips from your favorite professional photographers and filmmakers. 00:00 - Intro 00:36 - Gear Used 02:23 - Backdrop 3ft from Model 02:44 - Backdrop 6ft from Model 02:56 - Backdrop 10ft from Model 03:36 - Lighting Diagrams