Diane Garrett Ellen Kuras is having a full-circle moment. The celebrated cinematographer, who has worked for directors including Martin Scorsese, Spike Lee and Michel Gondry, wanted to be a politically minded filmmaker like Costa-Gavras when she was starting out, but found herself primarily working behind the camera for many years. With “Lee,” a Toronto premiere starring Kate Winslet as famed World War II photographer Lee Miller, she is finally making her debut as a feature film director.