understanding exposure stops

Exposure Stops in Photography – What is a stop? Why do I care?

What is a “Stop” in photography? And why do I care? This training tutorial will explain the basics of exposure stops, what they are used for and how they relate to your photos and camera settings. Everything in photography revolves around the concepts of stops so you might as well make sure you know what it is. It will only help you yes? So take five minutes and learn something useful.