111NFocus LockFocus lock can be used to change the composition after focusing,making it possible to focus on a subject that will not be in a focuspoint in the final composition. If the camera is unable to focususing autofocus (0 113), focus lock can also be used to recomposethe photograph after focusing on another object at the samedistance as your original subject. Focus lock is most effectivewhen an option other than auto-area AF is selected for AF-areamode (0 104).1 Focus.Position the subject in theselected focus point and pressthe shutter-release buttonhalfway to initiate focus. Checkthat the in-focus indicator (I)appears in the viewfinder.2 Lock focus.AF-C focus mode (0 101): With theshutter-release button pressed halfway(q), press the center of the sub-selector (w) to lock both focus andexposure (an AE-L icon will be displayedin the viewfinder). Focus will remainlocked while the center of the sub-selector is pressed, even if you laterremove your finger from the shutter-release button.Shutter-releasebuttonSub-selector
