Sometimes you might not have a strong key light in the scene you want to photograph. For those times, try using your pop-up flash. This tutorial explains how to shoot a portrait using flash as the key light. Watch more at http://www.lynda.com/Photography-tutorials/Foundations-Photography-Flash/136568-2.html?utm_campaign=d1Op04vQees&utm_medium=social&utm_source=youtube-earned. This tutorial is a single movie from the Foundations of Photography: Flash course…