 Attenborough and Lester were soon joined by a young Czech photographer, Charles Lagus, who would serve as Attenborough's cameraman and travelling companion throughout "Zoo Quest"'s run.The team overcame the objections of BBC management to film the trip on 16mm film instead of the 35mm film that was then the Corporation's standard.As a result, colour film stock was used, as it gave the best picture quality for the format.