Field of View, often abbreviated as FOV, is the extent of the observable area that a camera can capture at any given moment, typically measured in degrees. It determines how much of the scene fits within the frame, ranging from narrow telephoto views that isolate distant subjects to ultra-wide perspectives that capture expansive environments in a single shot.

Field of view is primarily determined by the focal length of the lens being used. Wide-angle lenses have a large field of view, capturing more of the scene but with exaggerated perspective and potential distortion at the edges. Telephoto lenses have a narrow field of view, compressing space and isolating subjects from their surroundings. The choice of field of view has profound implications for composition, spatial relationships, and the emotional tone of a shot. Wide fields of view feel expansive and immersive, while narrow fields of view create focus and isolation.

In AI image and video generation, field of view can be influenced through prompt language that describes lens characteristics, framing choices, or specific focal length references. Understanding how field of view affects spatial perception helps creators direct AI models toward outputs that match their intended compositional and emotional goals, whether that means expansive environmental views or tightly focused subject isolation.