What is a motion blur?

A motion blur is caused when the subject moves too rapidly to be captured by the camera. The blur is often represented in the form of streaks along the direction of the movement. It usually happens when the results being recorded changes during the recording of a single frame. There are two reasons for it, either it is because of the rapid movement of the subject or because of the long exposure. Long exposure is a setting when your camera shutter is open for a longer duration. Any object moving with respect to the camera will look blurred or smeared along the direction of relative motion. This smearing may occur on an object that is moving or on a static background if the camera is moving. You can achieve this effect in a usual scene using slow shutter speeds. Sometimes the motion blur is accidental. But these day it is majorly intentional. Motion blur is frequently used to show a sense of speed or movement. Specifically in advertisements related to cars, bike and to some extent, adventure sports, like bungee jumping, skydiving etc. Many photographers around the world induce this effect in their pictures to simulate speed, motion or action. Many people find this effect very creative but difficult to achieve. There have been guides, tutorials and tips written for people who have been trying hard to get this effect in their pictures. If you are amongst those, w ith a little practice and some knowledge about your camera shutter speed and exposure, you too can learn how to create this effect. If you learn these tricks and techniques, you can apply them to any type of photography and get benefited.