Photography Life explains another part of the exposure triangle: shutter speed. They say “Shutter speed is responsible for two particular things: changing the brightness of your photo, and creating dramatic effects by either freezing action or blurring motion.” This article demonstrates how to use shutter speed, change it, and read it. They give examples on what different shutter speeds can do to an image. Throughout the article multiple photographs are given to help better understand what they are talking about, when it comes to motion and brightness.

Introduction to Shutter Speed in Photography