What is the Purpose of ISO in Photography? – Easy Explanation
ISO is one of the three key settings in photography, but what does it actually do? In this easy explanation, I’ll break down the purpose of ISO, how it controls brightness, and its impact on image quality. You’ll also learn how increasing ISO can introduce noise and when to use high or low ISO settings for the best results. Whether you’re a beginner or need a refresher, this quick guide will make ISO easy to understand. Let’s get started!
This video is from our Digital Photography 101 Course.