Nikon SB 800 Instruction Manual - Page 65

and Rear-curtain sync

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Other functions and Rear-curtain sync ■■■ Rear-curtain sync In normal flash photography, when shooting fast-moving subjects at slow shutter speeds, unnatural-looking pictures can occur, because the subject frozen by the flash appears behind or within the blurred movement (see photo below right). 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. • In front-curtain sync, the flash fires immediately after the front curtain opens completely; in rear-curtain sync, the flash fires just before the rear curtain starts to close. • Available with cameras providing rear-curtain sync. You cannot set this mode on the SB-800 directly, but must set it on the camera. For details, see your camera's instruction manual. • Since slow shutter speeds are usually used, use a tripod to prevent camera shake. • This function does not operate in Repeating flash operation. • In multiple flash, the master flash unit can be set to either front-curtain or rear-curtain sync flash. However, the remote units cannot be set to rear-curtain sync flash (p. 72). Rear-curtain sync Shooting data • Focal length: 70mm • Shutter speed: 2 sec. • Aperture: f/4.5 • Flash mode: Manual • Flash output level: M1/1 Front-curtain sync 59

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59
and Rear-curtain sync
■
■
■
Rear-curtain sync
In normal flash photography, when shooting fast-moving subjects at slow shutter
speeds, unnatural-looking pictures can occur, because the subject frozen by the
flash appears behind or within the blurred movement (see photo below right).
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.
•
In front-curtain sync, the flash fires immediately after the front curtain opens completely;
in rear-curtain sync, the flash fires just before the rear curtain starts to close.
•
Available with cameras providing rear-curtain sync. You cannot set this mode on the
SB-800 directly, but must set it on the camera. For details, see your camera’s instruction
manual.
•
Since slow shutter speeds are usually used, use a tripod to prevent camera shake.
•
This function does not operate in Repeating flash operation.
•
In multiple flash, the master flash unit can be set to either front-curtain or rear-curtain
sync flash. However, the remote units cannot be set to rear-curtain sync flash (p. 72).
Rear-curtain sync
Front-curtain sync
Shooting data
•
Focal length:
70mm
•
Shutter speed:
2 sec.
• Aperture:
f/4.5
•
Flash mode:
Manual
•
Flash output level: M1/1
Other functions