3 Custom Function SettingsN368C.Fn II: AutofocusC.Fn II -1 Tracking sensitivitySets the subject-tracking sensitivity during AIServo AF when an obstacle enters the AF pointsor when the AF points stray from the subject.0: Default setting suited for most subjects. Suited for normal, moving subjects.Locked on: -2 / Locked on: -1The camera will try to continue focusing the subject even if an obstacleenters the AF points or if the subject strays from the AF points. The -2setting makes the camera track the target subject longer than with the -1setting.However, if the camera focuses the wrong subject, it may take slightlylonger to switch and focus the target subject.Responsive: +2 / Responsive:+1Once an AF point tracks a subject, the camera can focus consecutivesubjects at different distances. Also effective when you want to always focuson the closest subject. The +2 setting makes it quicker to focus the nextconsecutive subject than with +1.However, the camera will be more prone to focus on the wrong subject.[Tracking sensitivity] is the feature named [AI Servo tracking sensitivity]in the EOS-1D Mark III/IV, EOS-1Ds Mark III, and EOS 7D.
