Nikon D3300 Reference Manual page 114

A
Aperture, Sensitivity, and Flash Range
Flash range varies with sensitivity (ISO equivalency) and aperture.
Aperture at ISO equivalent of
100 200 400 800 1600 3200 6400 12800
1.4 2
2 2.8
2.8 4
4 5.6
5.6 8
8 11
11 16
16 22
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2.8 4 5.6
4 5.6 8 11
5.6 8 11 16
8 11 16 22
11 16 22 32
16 22 32 —
22 32 — —
32 — — —
8 11 16
16 22
22 32
32 —
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— —
— —
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Approximate range
m
1.0–8.5 3 ft 3in.–27 ft 11 in.
0.7–6.0 2 ft 4in.–19 ft 8 in.
0.6–4.2 2 ft–13 ft 9 in.
0.6–3.0 2 ft–9 ft 10 in.
0.6–2.1 2 ft–6 ft 11 in.
0.6–1.5 2 ft–4 ft 11 in.
0.6–1.1 2 ft–3 ft 7 in.
0.6–0.7 2 ft–2 ft 4 in.
ft