Want to Learn Photography?? Join My New Forum!! Forum Home: sonyalphalab.com Whats Hot on the Forum: sonyalphalab.com In this 10 minute video tutorial I will go over the science and technology behind HDR Photography. I will explain what it is, how it works, and what you need to do in order to give it a try yourself!! After watching this you will certainly understand what High Dynamic Range Photography is all about.