Nikon D500 User Manual page 406

A
Using Built-in Flash Units
If the camera is equipped with a built-in flash, be sure the subject is at
a range of at least 0.6 m (2 ft) and remove lens hoods to prevent
vignetting (shadows created where the end of the lens obscures the
built-in flash).
Shadow
Camera
D7200, D7100, D7000
D5500, D5300, D5200,
D5100, D5000, D3300,
D3200, D3100
D300 series
380
Zoom position
18 mm
24 mm, 35 mm,
50 mm, 80 mm
24 mm
35 mm, 50 mm,
80 mm
18 mm
24 mm, 35 mm,
50 mm, 80 mm
Vignetting
Minimum distance without
vignetting
1.0 m/3 ft 4 in.
0.6 m/2 ft
1.0 m/3 ft 4 in.
0.6 m/2 ft
1.5 m/5 ft
0.6 m/2 ft