What Does a Director of Photography Do? A Complete Guide

The Director of Photography — also referred to as a DOP, DP or cinematographer — is one of the most important creative roles on any film or commercial production. Yet many producers, especially those newer to the industry, aren't entirely sure where the DOP's responsibilities begin and end. This guide aims to clear that up.

The DOP's Core Responsibility: The Image

At its most fundamental, the Director of Photography is responsible for everything you see on screen. Every visual decision — how the scene is lit, where the camera is placed, what lens is used, how the camera moves — is either made or approved by the DOP. They are the guardian of the image.

This is a collaborative role. The DOP works in close partnership with the director to understand the emotional and narrative intent of each scene, and then finds a visual approach to serve that intent. Great cinematography doesn't call attention to itself — it draws the audience deeper into the story.

Pre-Production: Planning the Look

On a well-organised production, the DOP is involved long before the cameras roll. In pre-production, a Director of Photography will typically:

• Read the script or brief thoroughly and discuss the overall visual approach with the director

• Attend location recces to assess the natural light, power availability and practical challenges of each space

• Select and specify the camera system, lenses and lighting package best suited to the production

• Create shot lists or storyboards with the director, planning how each scene will be covered

• Brief the camera, lighting and grip crews on what will be required

This pre-production work is what separates a smooth, efficient shoot from a chaotic one. A well-prepared DOP saves time and money on the day.

On Set: Running the Camera and Lighting Departments

During the shoot, the Director of Photography leads two key departments: camera and lighting (also known as the electrical department). This means managing a crew that might include camera operators, focus pullers, camera assistants, gaffers and lighting technicians.

On smaller productions — particularly in the commercial and online content world — the DOP will often operate the camera themselves. This owner-operator approach is increasingly common in London's commercial production scene, and can be highly cost-effective without sacrificing quality.

The DOP also monitors the on-set monitors to check exposure, focus and composition, works with the director to refine performances if they affect the framing, and makes rapid decisions when lighting conditions or locations change unexpectedly.

Lighting: The DOP's Most Powerful Tool

Of all the tools at a cinematographer's disposal, light is the most expressive. The way a scene is lit determines its mood, its time of day, whether it feels safe or threatening, warm or cold, naturalistic or stylised. The DOP works with the gaffer (chief lighting technician) to design and execute the lighting plan for every scene.

This might involve carefully placed LEDs to mimic sunlight through a window, a single practical lamp to create an intimate, low-key atmosphere, or a fully rigged set with multiple HMIs to achieve a specific commercial look. The DOP specifies what's needed; the gaffer and their team make it happen.

Is a Director of Photography the Same as a Cinematographer?

Yes — the terms Director of Photography, cinematographer, DOP and DP are used interchangeably in the industry. Historically, the role was also called the Lighting Cameraman. All refer to the same position: the person responsible for the photographic quality of a film or video production.

About Kris Brady: Director of Photography, London

Kris Brady is an award-winning Director of Photography and cinematographer based in London with 20 years of industry experience. He specialises in commercials, narrative film, TV and online content, and works with directors, agencies and production companies across the UK and internationally. If you're planning a production and looking for an experienced DOP in London, get in touch.