Ben Franke is a New York-based German/American photographer, whose work focuses on movement across a range of athletic disciplines. Since 2008, Franke has been photographing parkour athletes, and began his ongoing series Parkour Motion in 2012. With this series, he aims to capture the energy and power of parkour athletes’ movements in a single still image. In the past year his work has appeared in The New York Times and was chosen for American Photography 30 and AP 31 editions. Below he talks about his recent use of the new Leica SL.