Shutter release button »
top ! freq.

pressing it halfway activates the autofocus

AE-L/AF-L button »
back

activates autofocus if custom setting menu f5 is set to AF-ON

Focus mode selector »
front !

changes between manual and automatic focus

AF mode button »
back ! freq.

defines how the D7000 focus points are selected and how autofocus tracks moving subjects

a3 Focus tracking with lock-on »
custom setting menu

defines a delay for autofocus reaction when the subject‘s distance changes abruptly

Focus selector lock »
back

can prevent the change of a manually selected focus point

Multi selector »
back freq.

changes the selected focus point if the focus point selection is not automatic

a6 Number of focus points »
custom setting menu 1x

defines the number of focus points that are available for manual selection

a5 Focus point wrap-around »
custom setting menu 1x

defines if the focus point selection will „wrap around“ to the opposite side of the AF area after reaching one of the outermost points

OK button »
back

choose the center AF point during manual focus point selection

Fn button »    front
depth-of-field preview button »    front
AE-L/AF-L button »    back

activate the autofocus lock if the corresponding custom setting menu f3 / f4 / f5 is set to AF lock

AF-assist illuminator »
front

may be automatically switched on by the D7000 to help the autofocus in low light

a7 Built-in AF-assist illuminator »
custom setting menu

defines if the D7000 will use the AF-assist illuminator in low light

a4 AF point illumination »
custom setting menu

defines if the currently used focus points are highlighted in red or not

AF fine tune »
setup menu

allows an autofocus calibration to tweak it for focusing on a wider or shorter distance