Autofocus
When the shutter release button is pressed the lens has to be set to a distance that will appear with best possible sharpness. All settings related to how this distance is found are in this table.
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
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