Blickweiten

Blickweiten is the plural form of Blickweite and refers to the extent of visual perception from a given position—the distance or angular span over which objects can be seen and identified without moving. The term is used across disciplines to describe how much of a scene is perceivable at once and how far a viewer can effectively observe.

In human vision, Blickweite depends on factors such as acuity, lighting, contrast, and fatigue. It informs practical design decisions like signage size, screen placement, and reading distance, where the goal is to maximize legibility and comfortable perception.

In optics and photography, Blickweite corresponds to the field of view of a lens and sensor combination. It is determined by the focal length and the size of the image sensor: shorter focal lengths yield a wider Blickweite, longer focal lengths yield a narrower one. Field of view is typically specified in horizontal and diagonal terms.

In art, cinema, and visual design, Blickweite is used to describe the perceived distance between observer and subject, influencing composition, perspective, and viewer engagement. It helps convey spatial relationships and emotional distance within a scene.

In landscape and meteorological contexts, the term Blickweite is less common; the standard term for visibility under atmospheric conditions is Sichtweite. Nevertheless, Blickweite can appear in descriptive writing to denote an observer’s perceptual range in a given setting.

See also: Sichtweite, Gesichtsfeld, Feld der Sicht.