If you would like to shoot photos with a flash, you need to know your gear. Otherwise, it will happen that your pics look ugly and flat even with an expensive external flash. Luckily, there is a method beginners can use to train the skills in flash photography. This method is called TTL and in this blogpost I’ll give you some explanations about TTL. You will also get some information about the pros and the cons of TTL. In total, the whole topic TTL is about how much control of your camera you want, or how much control you want to give your device.