Hi all experts,
Had a Canon Flash (550EX). This flash have inbuilt diffuser. What's the purpose of the diffuser?
Also bought a omnibouce. When do I need to use a omnibouce?
Lastly, had DIY a Flash card. When I use this flash card?
I would also like to know what's the actual different and in what serenio do I use the following?
* Flash Card
* Camera's inbulit diffuser...