Russ Alsobrook, ASC, discusses his approach to the drama Black or White, in which a grieving widower struggles to retain custody of his young granddaughter in the wake of his wife’s death. Alsobrook explains why the filmmakers made last-minute decisions to go digital and to shoot widescreen, how they made the most of the 2.40:1 frame, and how he used lighting to illuminate the story’s complicated emotional terrain.