Nikon Zfc Mirrorless Camera with 28mm Lens - Manual (Page 265)

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The photo shooting menu: Shooting options
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Auto distortion control
G
button U C
photo shooting menu
Select [On] as required to reduce barrel distortion when shooting with
wide-angle lenses and to reduce pin-cushion distortion when shooting
with long lenses. Note that [On] may be selected automatically with
some lenses, in which case this item will be grayed out and unavailable.
Flicker reduction shooting
G
button U C
photo shooting menu
When [On] is selected, reduce the effects of flicker from such light
sources as fluorescent or mercury-vapor lamps.
･ Flicker can cause uneven exposure or (in photographs taken in
continuous release modes) inconsistent exposure or coloration.
･ Note that the frame rate for burst shooting may drop or become
erratic when [On] is selected.