Manual

II. Speedlite 380EX with Type-A Cameras
(3) Second-Curtain Synchronization
If your Type-A camera has a Custom Function for setting second-curtain
synchronization, you can fire the flash right before the exposure ends
(when the second shutter curtain closes). Normally, first-curtain
synchronization is set so that the flash is fired at the start of the exposure
(when the first shutter curtain opens). With second-curtain
synchronization and a slow shutter speed, you can capture a moving
subject sharply and leave a blurred streak behind the subject. This is
more natural than when first-curtain synchronization is used.
* To set the camera’s Custom Function, refer to the camera’s Instructions.
Taken with second-curtain synchronization
Taken with first-curtain synchronization,
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If the camera is set to the Full Auto (D) mode or a Programmed Image
Control mode, second-curtain synchronization cannot be used
To obtain second-curtain synchronization effects, set the camera to the Tv, Av,
or M mode and use a slow shutter speed.
Setting bulb for the sync speed makes second-curtain synchronization shots
easier
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