Shutter speed refers to the amount of time that the camera shutter is open when taking a photograph. It is measured in seconds or fractions of a second, such as 1/500s or 1s. A fast shutter speed, such as 1/1000s, means that the shutter is open for a very short amount of time, while a slow shutter speed, such as 1s, means that the shutter is open for a longer duration.
The impact of shutter speed on motion blur in images is significant. A fast shutter speed freezes the motion of a subject, resulting in a sharp and clear image. On the other hand, a slow shutter speed allows for more movement to be captured, creating a sense of motion blur in the image.
If the shutter speed is too slow for the speed of the moving subject, the result will be a blurry image. It is important to adjust the shutter speed based on the speed of the subject and the desired effect in the final image. Additionally, factors such as camera shake and stabilization also play a role in determining the appropriate shutter speed to minimize motion blur.