Nikon D700 - Page 316

a9: Built-in AF-Assist Illuminator
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Choose whether the built-in AF-assist
illuminator lights
to assist the focus
operation when lighting
is poor.
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I
The AF-assist illuminator lights when lighting is poor. AF-
i assist illumination is only available when both of the
Ifollowing conditions are met:
On
I
(default) 1
1
. Single-servo autofocus
is selected for focus mode (pg. 72).
12. Auto-area AF is chosen for AF-area mode (pg. 74), or
I single-point or dynamic-area AF is chosen and the center
i focus point is selected.
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iThe AF-assist illuminator does not light to assist the focus
I
Off Ioperation. The camera may not be able to focus using
I
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.. The AF-Assist Illuminator
The AF-assist illuminator has a range of about 0.5-3.0 m (1 ft. 8 in.-9 ft.
lOin.); when using
the illuminator, use a lens with a focal length of 24-
200 mm and remove the lens hood.
B See Also
See page 375 for restrictions on the lenses that can be used with AF assist.
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