Nikon D610 - Manual (Page 249)

223
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.
A 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 ( 0 99), or an option other than auto-
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, 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.