Nikon D700 - Manual (Page 403)

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Optional Flash Units
(Speedlights)
The D700 can be used with CLS-compatible
flash units. Remove the accessory shoe cover
when attaching optional flash units. The
built-in flash will not fire when an optional
flash unit is attached.
The Nikon Creative Lighting System (CLS)
Nikon’s advanced Creative Lighting System (CLS) offers improved
communication between the camera and compatible flash units
for improved flash photography. The Creative Lighting System
supports the following features:
• i-TTL flash control: Improved through-the-lens (TTL) flash control
for use with CLS (see page 184). Flash level is set using monitor
pre-flashes to measure the light reflected by the subject,
ensuring optimal flash output.
• Advanced Wireless Lighting: Allows i-TTL flash control with remote
wireless flash units.
• FV lock (pg. 192): Locks flash level at the metered value, allowing a
series of photographs to be taken at the same flash level.
• Auto FP High-Speed Sync (pg. 306): Allows the flash to be used at the
highest shutter speed supported by the camera, making it
possible to choose the maximum aperture for reduced depth of
field.