www.adorama.com David Bergman explains how you can change your background by using the inverse square law. Related Products at Adorama: Fiilex FLXK301 3 LED Light Travel Kit www.adorama.com/flxk301.html?utm_source=rflaid912846&utm_medium=social&utm_campaign=Inverse%20Square%20Law%3A%20Two%20Minute%20Tips%20with%20David%20Bergman&utm_content=Video You can keep up with David on Instagram and Twitter @DavidBergman Like, share, and comment on the video below...let's get the conversation started!