Vivitar VIV-DF-186 Flash Memory User Manual


 
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SECOND/REAR CURTAIN SYNCHRONIZATION
This mode permits you to fire the flash just before your camera’s shutter closes during slow
shutter speed shooting. This will create a trail of lighting that will be appear behind the main
subject when a slow shutter speed is being used.
*For more information on rear curtain synchronization settings, refer to your camera’s
instruction manual.