-When would you use external flash? When shooting with an ultra-wide angle lens, an external flash is more powerful for throwing light into the distance or providing enough coverage.

-Do you need to meter the light if you use flash? Yes, a handheld meter is required to meter multiple flash in a studio environment in order to KNOW what your lights are doing. It becomes much more optional to take photos outside without using a flash.

-What does flash synchronization mean? The automated technique of synchronizing the shutter speed of the camera with the flash such that the flash fires at a specific point during the opening and shutting of the shutter to deliver additional exposure light on a subject is known as flash synchronization.

-What does ETTL mean? To increase the quality of the exposure, the ETTL technology employs a preflash before taking a shot.

-What will happen when you shoot faster than the camera sync speed? If your camera’s flash sync speed is 1/200 and you use a quicker shutter speed while utilizing a flash, your shutter will close before the flash can be fully caught by the sensor, resulting in black bars in the frame where the shutter can be seen.

-Why do photographers bounce the flash and use a diffuser? Diffusers for Bounce Flash Bounce flash diffusers use a unique technique to light softening.

– What is a slave? A slave unit is a helpful flash photography equipment that fires a secondary flash at the same time as the primary flash.

– What should you do if your image comes out too dark or too light?  The camera darkens the entire image to compensate for the sun’s brightness. Allowing more light in is the answer. This can be accomplished in one of two ways.