Compose photographs with off-center subjects.
Focus: Position the subject in the focus frame and press the shutter button halfway to lock focus and exposure. Focus and exposure will remain locked while the shutter button is pressed halfway (AF/AE lock).
Recompose: Keep the shutter button pressed halfway.
Shoot: Press the button all the way down.
Focus lock using the shutter button is only available when ON is selected for BUTTON/DIAL SETTING > SHUTTER AF, SHUTTER AE.
Focus and exposure can also be locked with the AF-L and AE‑L buttons. At default settings, the AF‑L button locks focus, the AE‑L button exposure. Focus and/or exposure will remain locked while the button is pressed, whether or not the shutter button is pressed halfway.
The roles of the buttons can be changed using the following BUTTON/DIAL SETTING options: