Director of photography Marvin V. Rush, ASC, describes his work on Hell on Wheels, a drama set in the aftermath of the Civil War that is currently in its fourth season on AMC. Among the topics he discusses are the importance of embracing the natural world in his overall approach to the show, which is shot on location in Alberta, Canada; how MacTech LEDs have transformed his day-interior lighting; why he prefers to reserve the close-up for important storytelling moments; and how he approached directing an episode for the first time.