Nikon 13187 User Guide (en)

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U
Choose the number of focus points available for manual focus-point selection.
Choose whether the built-in AF-assist illuminator lights to assist 
the focus operation when lighting is poor.
a6: Number of Focus Points
G button
➜ A Custom Settings menu
Option
Description
39 points Choose from the 39 focus points shown at right.
11 points
Choose from the 11 focus points shown at right. Use for 
quick focus-point selection.
a7: Built-in AF-assist Illuminator
G button
➜ A Custom Settings menu
Option
Description
On
The AF-assist illuminator lights when lighting is poor (viewfinder photography 
only). AF-assist illumination is only available when both of the following 
conditions are met:
1. AF-S is selected for autofocus mode (
0 97) or single-servo autofocus is selected 
when the camera is in AF-A mode.
2. Auto-area AF is chosen for AF-area mode (
area AF is chosen and the center focus point is selected.
Off
The AF-assist illuminator does not light to assist the focus operation. The camera 
may not be able to focus using autofocus when lighting is poor.
A
The AF-Assist Illuminator
The AF-assist illuminator has a range of about 0.5–3.0 m  (1 ft  8 in.–9 ft  10 in.);  when  using  the 
illuminator, use a lens with a focal length of 24–200 mm and remove the lens hood.
A
See Also
For information on the shooting modes in which AF-assist is available, see page 309. See 
page 290 for restrictions on the lenses that can be used with AF assist.