Nikon Z8 User Manual page 174

Choose Image Area
Choose the image area. The following options are available:
Option
[FX (36×24)]
c
[DX (24×16)]
a
[1:1 (24×24)]
m
[16:9 (36×20)]
Z
DX Crop Alert
If [ON] is selected for this option in the camera menus, the image
area icon in the shooting display will flash when "DX (24×16)" is
selected.
Record pictures in FX format with an angle of view equivalent to a 35 mm
format camera.
Pictures are recorded in DX format. To calculate the approximate focal length
of the lens in 35 mm format, multiply by 1.5.
Image-area selection is fixed at [DX (24×16)] when a DX lens is attached.
Pictures are recorded with an aspect ratio of 1 : 1.
Pictures are recorded with an aspect ratio of 16 : 9.
Description
1
FX (36 × 24)
2
DX (24 × 16)
3
1 : 1 (24 × 24)
4
16 : 9 (36 × 20)
Image Recording Options (Image Area, Quality,
100
and Size)