For some reason, flash photography is a topic many people are deathly afraid of and many others don't fully understand.

Flash units are just tools to assist us in our picture taking. They improve our photography by allowing us to control the light. I'm going to discuss flash photography in a manner that, I hope, is easy to understand and should take some of the fear out of using your equipment.
   We will also cover several ways to use your flash to achieve better results.

                             Flash  Modules       
                     
               What is a Flash Slave Unit ?