98f: Changing the Autofocus OperationNSuited for still subjects. When you press the shutter buttonhalfway, the camera will focus only once.When focus is achieved, the dot inside the AF point achieving focuslights up briefly in red, and the focus confirmation light <o> in theviewfinder will also light up.With evaluative metering (p.117), the exposure setting will be set atthe same time focus is achieved.While you hold down the shutter button halfway, the focus will belocked. You can then recompose the shot if desired.This AF operation is suited for moving subjects when the focusingdistance keeps changing. While you hold down the shutter buttonhalfway, the subject will be focused continuously.The exposure is set at the moment the picture is taken.When the AF point selection (p.100) is automatic, the camera firstuses the center AF point to focus. During autofocusing, if the subjectmoves away from the center AF point, focus tracking continues aslong as the subject is covered by another AF point.One-Shot AF for Still SubjectsAI Servo AF for Moving SubjectsIf focus cannot be achieved, the focus confirmation light <o> in theviewfinder will blink. If this occurs, the picture cannot be taken even if theshutter button is pressed completely. Recompose the picture and try tofocus again. Or see “Subjects Difficult to Focus” (p.103).If [z1: Beep] is set to [Disable], the beeper will not sound when focusis achieved.With AI Servo AF, the beeper will not sound even when focus is achieved.Also, the focus confirmation light <o> in the viewfinder will not light up.COPY