Canon 600D @ f/22, 1/4 sec, ISO-100 (Panorama)
Shutter speed is the amount of time a camera shutter is open to allow light into the camera sensor. Fast shutter speed will freeze the motion, while slow shutter speed capture motion blurring. Fast shutter speed will also gives under exposed photos while slow shutter speed otherwise. The choice of selected shutter speed is really depends on what type of photograph you want to capture. The photos below show how is the shutter speed affecting the exposure of the photos.
Canon 600D @ 49mm, f/9, 1/60 sec, ISO-100
Canon 600D @ 49mm, f/9, 1/30 sec, ISO-100
Canon 600D @ 49mm, f/9, 1/15 sec, ISO-100
Canon 600D @ 49mm, f/9, 1/8 sec, ISO-100
Canon 600D @ 49mm, f/9, 1/5 sec, ISO-100
Below are another set of photos taken with different shutter speed, however the exposure of these photos is maintained by the aperture and ISO.
With shutter speed of 2 seconds (first photo), you can get a smooth and blur waterfall. While with shutter speed of 1/800 seconds, the water is freeze.
