61Using Autofocus (AF)3Selecting AF ModeOne-Shot AF for Still SubjectsPressing the shutter button halfwayactivates AF operation and achievesfocus once.s The AF point which achieves focus flashes brieflyand the focus confirmation light < > in theviewfinder lights at the same time.• With evaluative metering, the exposure setting(shutter speed and aperture) will be set when focusis achieved. The exposure setting and focus will belocked as long as the shutter button is pressedhalfway. You can then recompose the shot whileretaining the exposure setting and point of focus.Focusing an Off-Center SubjectFocus confirmation lightAF pointAim the Area AF or AF point over the subject and press theshutter button halfway to focus.1 Keep pressing the shutter button halfway and recompose thepicture as desired.2Take the picture.3 • When the < > switch is set to < >, the beeper will sound when focus isachieved.• If focus cannot be achieved, the focus confirmation light < > in the viewfinderwill blink. If this occurs, a picture cannot be taken even if the shutter button ispressed fully. Reframe the shot and focus again. Also see “When Autofocus Fails(Manual Focusing)” on page 73.To focus a subject not covered by the Area AF ellipse, follow the procedure below. Thistechnique is called focus lock.• Focus lock works only in the One-Shot AF mode.Area AF ellipse
