75f Selecting the AF ModeNPressing the shutter buttonhalfway activates the autofocusand achieves focus once.X The AF point which achieves focusflashes briefly. At the same time, the focusconfirmation light <o> in the viewfinderis displayed.X With evaluative metering, the exposuresetting (shutter speed and aperture) willbe set when focus is achieved. Theexposure setting and focus will belocked as long as the shutter button ispressed halfway. (p.79) You can thenrecompose the shot while retaining theexposure setting and point of focus.While you press the shutterbutton halfway, the camerafocuses continuously.This AF mode is for moving subjects whenthe focusing distance keeps changing.X With predictive AF*, the camera can alsofocus track a subject which steadilyapproaches or retreats from the camera.X The exposure is set at the momentthe picture is taken.One-Shot AF for Still SubjectsAF point FocusconfirmationlightAI Servo AF for Moving SubjectsIf focus cannot be achieved, the focus confirmation light <o> in theviewfinder will blink. If this occurs, a picture cannot be taken even if theshutter button is pressed fully. Recompose the picture and try to focusagain. Or see “When Autofocus Fails (Manual Focusing)” (p.80).
