In general, I start with too much light because it’s much simpler and faster to add Grid Cloth and lower it 1 or 2 stops than it is to change the source to a smaller unit,” the cinematographer continues. “I often start with an 18K and big elevator stands because I may suddenly decide to go up 6 meters. My source is always pretty heavy-duty to start with, but it’s more efficient in the end. That’s the principle of a big source: you can work very quickly.”