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Advanced operation
Rear-curtain sync and Modeling illumination
Rear-curtain sync Front-curtain sync
Shooting data
nCamera: F100 (2 seconds, f/4 + 1/2)
nFocal length: 70mm
nSpeedlight: SB-80DX (Manual, flash output level: M1/1)
m In normal flash synchronization, when shooting fast-moving subjects at slow
shutter speeds, this usually results in unnatural-looking pictures where the
subject frozen by the flash appears behind or within the blurred movement.
Rear-curtain flash sync creates a picture in which the blur of a moving subject
(for example, the taillights of a car) appears behind the subject and not in front.
m Available with cameras providing rear-curtain sync. You cannot set this mode
on the SB-80DX directly. Set it on the camera. For details, see your camera’s
instruction manual.
nSince slow shutter speeds are usually used, use a tripod to prevent camera shake.
nThis function does not operate in either the FP High-Speed flash sync or Repeating flash mode.
nIn multiple flash, the master flash unit can be set to either front-curtain or rear-curtain
sync flash. The slave units cannot be set to rear-curtain sync flash (p. 74).
lModeling illumination
m Press the Modeling illuminator button and the modeling illuminator lights up
(or the flash fires) repeatedly at a reduced flash output level. This is useful for
checking the illumination and the shadows cast on the subject before actually
taking the picture.
nThe modeling illuminator lights up for a maximum of
approx. 3 sec. while the modeling illuminator button is
pressed.
nThe modeling illuminator can be set to operate only after
the ready-light comes on.
nThe modeling illuminator will not light up in the wireless
slave flash mode (p. 84).
lRear-curtain sync