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REAR-CURTAIN SYNC—To create a natural-looking stream of light
Normally in flash synchronization, the Speedlight fires at the
beginning of the exposure. When the shutter speed is slow, the
result is a streaking light pattern in front of the subject.
When Rear-Curtain Sync is set, the Speedlight fires at the end
of the exposure, turning available light into a stream of light that
follows the flash-illuminated moving subject.
Since Rear-Curtain Sync is especially effective at a slow shutter
speed, Slow Sync is automatically set at the same time that
Rear-Curtain Sync is set in Programmed Auto or Aperture-
Priority Auto exposure mode. To set a specific shutter speed,
set the F5 to Shutter-Priority Auto or Manual exposure mode.
• When using the SB-26, SB-25 or SB-24, note that the Rear-
Curtain Sync setting on the camera body is ignored. You must
set the Speedlight unit itself for Rear-Curtain Sync.
Rear-Curtain Sync with
slow shutter speed
Front-Curtain Sync with
slow shutter speed
P400 (E) 02.12.27 6:42 PM Page 122
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