Nikon D330018-55VR User Manual (en)

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