Nikon Zfc Mirrorless Camera with 28mm Lens - Manual (Page 143)

The
A
(
g
) button
143
2
Press the
A
(
g
) button.
･ Focus and exposure will lock while pressing the
A
(
g
) button.
Exposure will not change even when the composition is altered.
･ An AE-L icon will be displayed in the monitors.
3
Keeping the
A
(
g
) button pressed, recompose the photograph
and shoot.
Do not change the distance between the camera and the subject. If
the distance to the subject changes, release the lock and focus again
at the new distance.