New Delhi, July 20 -- Filming HBO's upcoming Harry Potter series has presented a major logistical challenge for its cinematography team, with young cast members required to work within strict limits on their time on set.

Adriano Goldman, the series' cinematographer, described the production conditions as "brutal" during a recent interview with Andre Pilli, explaining that the crew must work at considerable speed to capture scenes involving the young leads.

"You have to shoot really fast, and the faster you go, the more you compromise quality," Goldman said. "There's no way around it, right? Obviously, we have a lot of resources, but it's brutal. The kids' screen time is really brutal. So the methodology is very specific. You practically...