When would you use external flash? You would use an external flash when your in a place with natural light.
Do you need to meter the light if you use flash? No because your using your own light.
What does flash synchronization mean? The automatic process in which the camera’s shutter speed is synchronized with the camera’s flash.
What does ETTL mean? E-TTL stands for Evaluative Though-The-Lens. It means allows for the same evaluative metering sensors to be used that are used for ambient light.
What will happen when you shoot faster than the camera sync speed? At speeds faster than the sync speed the slit that travels across the film or CCD narrows.
Why do photographers bounce the flash and use a diffuser? Bounce Flash Diffusers Bounce flash diffusers provide a different approach to softening the light. Instead of shooting the strobe forward towards the subject, they “bounce” the light away from the scene.
What is a slave? A flash accessory, also known as a slave cell that’s used to fire another flash remotely so that multiple flash set ups can be arranged without cables and all synchronized with the cameras shutter.
What should you do if your image comes out too dark or too light? You should do is when it is too dark turn up the ISO and when it is too light turn down the ISO.