Bokeh describes the visual character of out-of-focus areas.
The appearance of blur can change how a background supports the subject.
Lens rendering, aperture and scene structure influence the blur. Separating a subject from its background can make that background more blurred.
Focus on a nearby object with distant small lights behind it. Compare the shapes and edges of the blurred lights.
More blur is not automatically more pleasing. Background choices remain part of composition.
Follow a connection to understand how these ideas fit together.
Aperture changes background blur and the way out-of-focus highlights render.
Conditions: The lens, focus distance and background are unchanged.
A shallow sharpness range helps make foreground or background blur visible.
Judge whether the background supports the subject, even when blurred.
Source check: . This records a check of the supporting references; it is not an expert endorsement.
Bokeh describes the visual character of out-of-focus areas.
Lens rendering, aperture and scene structure influence the blur. Separating a subject from its background can make that background more blurred.
More blur is not automatically more pleasing. Background choices remain part of composition.