Relationships Related Term:  focus n. ~ The loss of sharpness in a photographic image resulting from motion of the subject or the camera during exposure. Notes:  Blur may be a flaw or a desired effect [..]

Denotes a photograph in which movement, either camera movement, zoom lens movement or movement within the scene (e.g. a subject in motion), is recorded at a slower shutter speed than is necessary to “ [..]

1540s, "smear on the surface of writing;" perhaps akin to blear. Extended sense of "confused dimness" is from 1860.

1580s, and thus probably from blur (n.), but the dates are close and either might be the original. Related: Blurred; blurring.

A way of softening an image or part of an image. Read articles that include this term

a hazy or indistinct representation; "it happened so fast it was just a blur"; "he tried to clear his head of the whisky fuzz" film over: become gla [..]

to make something look dim or not clear

(n) a hazy or indistinct representation(v) become glassy; lose clear vision(v) to make less distinct or clear(v) make unclear, indistinct, or blurred(v) make a smudge on; soil by smudging(v) make dim [..]

Unsharpness because of the movement of the camera or subject during exposure. Blur can be used for many creative effects. In computer imaging, the use of Blur controls to selectively soften parts of the image.

Any area of an image that is not in focus.

When your camera is unable to effectively freeze the movement of an object and captures it with soft, indistinct edges. Blur is denoted by a distinct lack of sharpness in an image. Camera or subject movement during a slower than needed shutter speed is what typically causes blurring.

A way of softening an image or part of an image. Read articles that include this term

Unsharpness of image due to movement of camera or subject at the moment of exposure.

unsharp image areas, created or caused by subject or camera movement, or by selective or inaccurate focusing.

Denotes movement within a photograph that is either caused by the subject or by camera movement. Blur can also be added to digital files in post processing with image-editing software.