Sometimes the ambient light level is too low for successful for photography, or it’s the ‘wrong’ kind of light. This is where photographers turn to flash (or ‘strobe’, if you’re in the US). Flash works by emitting a very short, very powerful burst of light. Energy is stored in a capacitor in the flash head […]
Off-camera flash offers a much more controllable light source than regular on-camera flash. You can control the direction of the light and very often its quality too, using 'lighting modifiers' like reflectors and softboxes.