Nikon D500 入门指南

Custom  Setting  a3  (Focus  tracking 

with lock-on) controls how autofo-

cus responds to changes in the dis-

tance to the subject.
Blocked Shot AF Response: 2

Increasing the speed with which the autofocus system re-

acts to blocked shots ensures that focus responds quickly 

to frequent subject changes.
Subject Motion

Position the slider according to how your subject moves. 

The default (“normal”) position, midway between Erratic 

and Steady, is suited to a wide variety of subjects.

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