A clear, concise guide to one of the most overused, yet misunderstoon pieces of photographic equipment While a flash unit either built in to the camera or a separate device offers the advantage of adding light to your images, its biggest disadvantage is the complex nature of the flash, which prevents many from using it to its full potential. Seeking an understanding of the nomenclature, the buttons and dials on the flash itself, and the menus inside is akin to trying to learn a foreign language. What is FEC? What does TTL mean and how is it used effectively? What is high-speed...