282UWhen AF-S (0 91) is selected for viewfinder photography, thisoption controls whether photographs can be taken only when thecamera is in focus (focus priority) or whenever the shutter-releasebutton is pressed (release priority) in single-servo AF.Regardless of the option selected, if the in-focus indicator (I) isdisplayed when AF-S is selected for autofocus mode, focus will lockwhile the shutter-release button is pressed halfway. Focus lockcontinues until the shutter is released.a2: AF-S Priority Selection G 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.