The Photographic Eye, Chapter 10: Motion
-Allowing motion blur in a photo “stretches” time slightly and emphasizes movement
-”Freezing” the subject emphasizes the camera’s ability to capture a moment in time and hold it still
-Motion blur will occur if there is movement during the period of time the shutter is open
-The amount of motion blur is determined by the portion of the image area the subject moves across. This depends on its speed, shutter speed, and the angle of view
-The angle of view is the angular extent of a given scene that is amaged by a camera
-The longer a lens is, the smaller its angle of view is. With a narrow angle of view, the movement of an object will be more blurred than a wide angle. This is because a longer lens is more zoomed and crops the area of a total scene covered. Therefore, the object is covering more of the image area and there is more motion blur. The opposite is true for a wide angle of view.
-The same principles apply to the distance between the camera and the object being photographed. If the camera is close, the movement of the subject will cover a greater image area, while if the camera is farther, the subject’s movement will cover less.
-the amount of image area covered by a subject can be controlled by shutter speed
-The faster the shutter speed, the less time the subject has to move. The slower the shutter speed, the more movement can be captured
-It is referred to as “freezing” when a subject moving quickly is captured so that they appear to be still
-You can avoid capturing the motion blur of subjects by panning the camera at the same speed as the subject is moving and using a fast shutter speed. The background will still have motion blur but the subject can be frozen.
-In most cases, avoid capturing motion blur when photographing immobile objects
Generally avoid motion blur, like this, caused by camera movement, especially if the subject and background are mostly still ^