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Slow Synchronization
Slow Synchronization flash allows both a slow shutter speed for the background and a
flash for the subject.
Ⅵ SLOW1:
1st curtain (front curtain)
Usually, regardless of the shutter speed, the flash fires right after the shutter fully
opens. This is called 1st curtain. Unless you change it, this is how the flash always
fires.
Ⅵ SLOW2:
2nd curtain (rear curtain)
In contrast to 1st curtain, 2nd curtain fires the flash just before the shutter closes.
Changing the flash timing can create interesting effects in your picture, such as
expressing the movement of a car by showing the taillights streaming backwards. The
slower the shutter speed, the better the effects turn out. The slowest possible shutter
speed is 4 sec. (16 sec. for M mode).
40
4 sec.
When the shutter speed is set to 4 sec.
Shutter closes Shutter fully opens
2nd curtain flash fires
1st curtain flash fires
Ⅵ SLOW:
1st curtain with red-eye reduction
This is for when you want to use Slow Synchronization yet also reduce red-eye. For
instance, when shooting a person against a brightly lit night background. A normal
flash might make the person’s eyes red, but 1st curtain with red-eye reduction lets you
capture the background correctly and reduce red-eye at the same time.
2nd curtain with red-eye reduction is not available, because it may take longer to
release the shutter after the pre-flash and 2nd curtain with red-eye reduction may not
support the feature.
SLOW
SLOW1 SLOW2
(Flash mode)/ (Protect) button (Cont.)
(front curtain)
(rear curtain)