Chapter 1 - Basic info 179Chapter 12 - Flash photographyrear curtain sync modeUse the Rear Curtain Sync Mode for any of the below conditions:1. When the size of the subject you want to light with the flash is relatively small within the picture2. When the background behind the subject is extremely bright or when there is a strongly reflectiveobject in the background3. When the background behind the subject is extremely dark (outdoors at night, etc.)4. When light from the flash is incorrectly directed and falls too widely from the subject.When a moving subject has been shot under this function, the flash of light appears after themoving subject.Rear curtain sync mode Front curtain sync mode