74 Menu GuideWhen AF-S is selected for viewfinder photography, this optioncontrols whether photographs can be taken only when thecamera is in focus (focus priority) or whenever the shutter-releasebutton is pressed (release priority).Regardless of the option selected, if the in-focus indicator (I) isdisplayed when AF-S is selected for autofocus mode, focus willlock while the shutter-release button is pressed halfway. Focuslock continues until the shutter is released.a2: AF-S Priority SelectionG button ➜ A Custom Settings menuOption DescriptionG Release Photos can be taken whenever the shutter-releasebutton is pressed.F Focus Photos can only be taken when the in-focus indicator(I) is displayed.