Changing the shutter speed matters becuase a longer shutter will allow more light but may add motion blur while a fast shutter speed can freeze motion but cuts down on the amount of light entering the camera. Shutter speed are both a technical and aesthretic choice a photographer needs to make before releasing the shutter.
The shutter inside your camera controls the duration of time the sensor is exposed to light Capturing blur or th motion in your photograph can emphasize movement and add drama A fast shutter speed is often utilized to freeze the movement of a subject A slower shutter speed can be used to show motion and visualize movement Shutter speed are expressed as seconds or fractions of a second Ex- 1/8000, 1/4000, 1/2000 , As a general rule to prevent unintenional camera shake you should avoid handholding your digital camera at shutter speeds slower than ½ x Focal Length Using a tripod can help eliminate camera shake when using slower shutter speeds The visual blur and suggestion of movement occurs because the subject is moving against a static background Layering motion of different subjects moving different directions at different speeds can set up interesting dynamics within a photograph Fast shutter speeds can make normal subjects appear to freeze in the air When photographing people running relatively close to the camera a shutter speed of 1/1000 second or faster should freeze most motion The distance the subject is from the camera, the speed of the subject, and the focal length of the lens will affect whether the subject is sharp or blurred Slower shutter speeds can help convey the idea of motion and movement Slow shutter speed the combines with panning can help isolate the subject from busy and the distracting background A tripod with a long exposure can capture the fireworks’ trails’ Water movement can be emphasized with long exposures
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