Nikon D700 manual Flash Modes, 188, Camera supports the following flash modes

Flash Modes

The camera supports the following flash modes:

	Flash mode	Description
		This mode is recommended for most situations. In
		programmed auto and aperture-priority auto modes,
		shutter speed will automatically be set to values
	Front-curtain	between 1/250 and 1/60 s (1/8,000 to 1/60 s when an
		optional flash unit is used with Auto FP High-Speed
	sync
		Sync) (pg. 377).
		Red-eye reduction lamp lights for approximately one
		second before main flash. Pupils in subject’s eyes to
		contract, reducing “red-eye” effect sometimes caused
		by flash. Owing to one-second shutter-release delay,
	Red-eye	this mode is not recommended with moving subjects
		or in other situations in which quick shutter response
	reduction
		is required. Avoid moving camera while red-eye
		reduction lamp is lit.
		Combines red-eye reduction with slow sync. Use for
		portraits taken against a backdrop of night scenery.
		Available only in programmed auto and aperture-
l	Red-eye	priority auto exposure modes. Use of a tripod is
	reduction with	recommended to prevent blurring caused by camera
	slow sync	shake.
		Flash is combined with shutter speeds as slow as 30 s
		to capture both subject and background at night or
		under dim light. This mode is only available in
		programmed auto and aperture-priority auto
	Slow sync	exposure modes. Use of tripod is recommended to
		prevent blurring caused by camera shake.

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