Five flash sync modes are available with the N65/N65QD.
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Set the flash sync mode by rotating the Command Dial while pressing the flash sync mode button 0.
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:Front-Curtain Sync (Normal Sync)
Set the flash sync mode to Front-Curtain Sync for normal flash photography. The camera's shutter speed is automatically set between 1/90 to 1/60 sec. for flash photography in 8 (AUTO mode) or ::l (Portrait mode), 1/90 to 1/15 sec. in iii (Landscape mode), and to 1/90 sec. in Auto-Multi Program, Aperture-Priority Auto, ~
(Close-Up mode) or .!."':'Q (Sports Continuous mode). (With optional Speedlight
S8-26, S8-25 and S8-24, set the Speedlight'ssync mode selector to NORMAL.)
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~: Slow Sync
Slow Sync can be used in I!! Night Scene mode, Auto- Multi Program or Aperture-Priority Auto exposure mode. Normally, the camera's shutter speed is automatically set to 1/90 sec. for flash photography. However, for shooting nighttime scenes, Slow Sync uses a slower shutter speed (down to maximum of 30 sec. , 1 sec. in I!! Night Scene
mode) to bring out background details using all of the available light.
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~: Rear-Curtam Sync
Rear-Curtain Sync can be used in Auto-Multi Program, Shutter-Priority Auto, Aperture-Priority Auto or Manual exposure mode. Normally, the Speedlight fires at the end of the exposure, turning available light into a stream of light that follows the flash-illuminated moving subject. When Rear-Curtain Sync is set in Auto-Multi Program or Aperture-Priority Auto exposure mode, Slow Sync is
automatically set. (With an optional Speedlight S8-26, 25 and 24, set the Speedlight's sync mode selector to REAR.)