Nikon D6 Reference Manual page 858

Blocked Shot AF Response
Option
[5
(Delayed)]
[4]
[3]
[2]
[1 (Quick)]
•
Regardless of the option selected, blocked shot AF response
functions in mode [3] when [3D-tracking] is selected for AF-
area mode.
•
If [Auto-area AF] is selected for AF-area mode, blocked shot
AF response will function in mode [3] when [2] or [1 (Quick)] is
selected.
Subject Motion
Option
[Steady]
[Erratic]
806 A Custom Settings: Fine-Tuning Camera Settings
Choose how quickly focus responds when something
passes between the subject and the camera.
•
Choose [5 (Delayed)] to help maintain focus on your
original subject.
•
Choose [1 (Quick)] to make it easier to shift focus to
objects crossing your field of view.
Choose for smooth focus when photographing subjects that
approach the camera at a steady pace.
Choose for improved response when photographing
subjects prone to sudden starts and stops.
Description
Description