被写界深度 피사계심도 虚化背景 虚化前景
An effect where part of the image appears [[blurry]] and out-of-focus. This could be the [[blurry foreground|foreground]], the [[blurry background|background]], or both.

This mimics the photographic effect that's caused by the camera being able to focus at only one distance at a time, making objects at other distances appear blurry. This is often used artistically to draw attention to one part of the image.

h4. Examples

* !post #3780166: [[Blurry foreground]]
* !post #2761552: [[Blurry background]]
* !post #5027011: Everything but the face is out-of-focus

h4. See also

* [[bokeh]]
* [[blurry background]]
* [[blurry foreground]]
* [[Tag group:Image composition]]
depth of field