Choose how the camera meters exposure.
Press [MENU/OK] in shooting mode to display the shooting menu. Press the selector up or down to highlight [PHOTOMETRY] and press [MENU/OK].
Press the selector up or down to highlight the desired option and press [MENU/OK] to select.
The selected option will only take effect when [FACE OFF/EYE OFF] is selected for [AUTOFOCUS SETTING] > [FACE/EYE DETECTION SETTING].