Nikon D800E User Manual page 211

A
Aperture, Sensitivity, and Flash Range
The range of the built-in flash varies with sensitivity (ISO equivalency)
and aperture.
Aperture at ISO equivalent of
100 200 400
1.4 2 2.8
2 2.8 4
2.8 4 5.6
4 5.6 8
5.6 8 11
8 11 16
11 16 22
16 22 32
The built-in flash has a minimum range of 0.6 m (2 ft).
In exposure mode e, the maximum aperture (minimum f-number) is
limited according to ISO sensitivity, as shown below:
100 200
2.8 3.5
If the maximum aperture of the lens is smaller than given above, the
maximum value for aperture will be the maximum aperture of the lens.
800 1600 3200
4 5.6 8
5.6 8 11
8 11 16
11 16 22
16 22 32
22 32 —
32 — —
— — —
Maximum aperture at ISO equivalent of:
400 800
4 5
Range
6400 m
11 0.7–8.5 2ft 4in.–27ft 11in.
16 0.6–6.0 2ft 0in.–19ft 8in.
22 0.6–4.2 2ft 0in.–13ft 9in.
32 0.6–3.0 2ft 0in.– 9ft 10in.
— 0.6–2.1 2ft 0in.– 6ft 11in.
— 0.6–1.5 2ft 0in.– 4ft 11in.
— 0.6–1.1 2ft 0in.– 3ft 7in.
— 0.6–0.8 2ft 0in.– 2ft 7in.
1600 3200
5.6
ft
6400
7.1 8
l
187