Studios would therefore assign a still photographer to a production, and in some cases as many as five still photographers worked on the same film.

Besides creating photographs for the promotion of a film, the still photographer contributes daily to the filming process by creating set stills.

He was present on numerous film productions as still photographer, and in that capacity took photographs of a huge cross-section of the film community.

Challis was also an accomplished and enthusiastic still photographer.

During the course of filming, the still photographer shutters on-stage scenes.