Intentional motion blur or blurred action is an exciting trick to learn in photography! Photos with a long exposure or slow shutter speed can result in some interesting and creative photography. Most often this is done with something that is moving through a stationary scene creating an interesting image like a milky waterfall or a cityscape where the headlights and taillights streak white and red and the buildings twinkling behind. This type of image is achieved by slowing down the shutter and creating intentional “motion blur” meaning that the action happens while the shutter is still open causing the action to blur across the frame. The length of time that the shutter needs to be open to create motion blur depends on how quickly the subject is moving. [...]