Setting Guide (For Still Photography)

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If AF-ON only is selected for Custom
Setting a7 (AF activation), the cam-
era will focus only when the AF‑ON
button is pressed, freeing you to
concentrate on the shutter-release
button during portrait or sports
photography and in other situations
where you focus using AF‑C.
The camera focuses while the AF‑ON button is pressed and
pauses when the button is released. If you press the shut-
ter-release button while focus is paused, the camera will
not focus again but will only release the shutter. If you use
the sub-selector for focus-point selection and the AF‑ON
button to focus, you can quickly compose shots using only
small motions of your right thumb.
Assigning Focus and Release to Separate Controls