FujiFilm X-S20 Mirrorless Camera with 18-55mm Lens (Black) - Manual (Page 214)

188
6
T
he Shooting M
enus
BACKGROUND DEFOCUS MODE
If ON is selected, the camera will automatically set aperture to
the lowest f-stop (maximum aperture) regardless of the setting
selected by the user. This option takes eff ect only when the mode
dial is in the
Vlog position.
Options Options
ON OFF
N
We recommend that you select PROGRAM AE or APERTURE
PRIORITY AE for SHOOTING MODE to ensure consistent exposure.