1-When would you use external flash?
External Flash can be used anywhere. But would mostly be used in dark settings.
2-Do you need to meter the light if you use flash?
No because it is not natural light.
3-What does flash synchronization mean?
When it’s on hot shot and syncs
4-What does ETTL mean?
It means metering.
5-What will happen when you shoot faster than the camera sync speed?
The frame will be half black.
6-Why do photographers bounce the flash and use a diffuser?
To make the lighting look more natural and not straight on the subject
7– What is a slave?
When Mutiple camera slaves go off
8-What should you do if your image comes out too dark or too light?
Change brightness to f/11.