I have a 480 EXII flash.
I am playing with second curtain flash and am a bit confused.
I *HAVE* read the manual, but it doesn't seem to explain what I am seeing happen.
I put the flash on my 550D and turn both on.
Go into the camera menu and find the flash and set it for second curtain flash.
Set the camera to M, F22 and set a 30 second exposure.
The inbuilt flash is DOWN.
I press the shutter release and there is a flash.
30 seconds later another flash.
But reading the manual, it doesn't tell me what is going on. Well, not in a way I can understand.
Anyone - please.