3073 Custom Function SettingsNC.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: -1]The camera will try to continue focusing the subject even if an obstacle entersthe AF points or if the subject strays from the AF points. The -2 setting makesthe camera track the target subject longer than with the -1 setting.However, if the camera focuses the wrong subject, it may take slightly longerto switch and focus the target subject.[Responsive: +2 / Responsive:+1]Once an AF point tracks a subject, the camera can focus consecutive subjectsat different distances. Also effective when you want to always focus on theclosest subject. The +2 setting makes it quicker to focus the next consecutivesubject 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.COPY