LOCATE YOUR Starfield.ini IN STEAMAPPS/COMMON/STARFIELD/STARFIELD.INI

UNDER DISPLAY ADD "XX BEING THE DESIRED FOV"

fDefaultWorldFov=XX
fDefault1stPersonFOV=XX

UNDER DISPLAY CREATE NEW FIELD AS SHOWN BELOW

[CAMERA] "XX BEING THE DESIRED FOV"
fFPWorldFOV=XX
fTPWorldFOV=XX

GO TO C:\Users\$USERNAME$\Documents\My Games\Starfield

IN STARFIELDPREFS.INI AT THE BOTTOM OF DISPLAY JUST ABOVE [QUALITY]

ADD "XX" BEING THE SAME FOV AS IN STARFIELD.INI
fDefaultWorldFov=XX
fDefault1stPersonFOV=XX

NEXT

CREATE NEW TEXT DOCUMENT IN

C:\Users\$USERNAME$\Documents\My Games\Starfield

CHANGE DOCUMENT TYPE INTO .INI

IF YOU DONT SEE .TXT GO TO FILE EXPLORER CLICK ON VIEW -> SHOW -> FILE NAME
EXTENSIONS

NAME THE FILE StarfieldCustom.ini

ADD
"XX BEING THE SAME FOV AS IN STARFIELD.INI"
[CAMERA]
fFPWorldFOV=XX
fTPWorldFOV=XX