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Tips on Speedlight Care and Reference Information
Specifications
Effective flash output distance range (for i-TTL flash control)
The effective flash output distance range of the SB-500 is between
0.6 m and 20 m (2 ft and 65.6 ft). The effective flash output distance
range differs depending on the ISO sensitivity and aperture.
ISO sensitivity
50 100 200 400 800 1600 3200 6400 12800
Aperture (f)
1.4
1.1 –
12
1.5 –
16.9
2.2 –
20
3 –
20
4.3 –
20
6 –
20
8.5 –
20
12 –
20
17 –
20
Effective flash output distance range (m)
2
0.8 –
8.4
1.1 –
12
1.5 –
16.9
2.2 –
20
3 –
20
4.3 –
20
6 –
20
8.5 –
20
12 –
20
2.8
0.6 –
6
0.8 –
8.4
1.1 –
12
1.5 –
16.9
2.2 –
20
3 –
20
4.3 –
20
6 –
20
8.5 –
20
4
0.6 –
4.2
0.6 –
6
0.8 –
8.4
1.1 –
12
1.5 –
16.9
2.2 –
20
3 –
20
4.3 –
20
6 –
20
5.6
0.6 –
3
0.6 –
4.2
0.6 –
6
0.8 –
8.4
1.1 –
12
1.5 –
16.9
2.2 –
20
3 –
20
4.3 –
20
8
0.6 –
2.1
0.6 –
3
0.6 –
4.2
0.6 –
6
0.8 –
8.4
1.1 –
12
1.5 –
16.9
2.2 –
20
3 –
20
11
0.6 –
1.5
0.6 –
2.1
0.6 –
3
0.6 –
4.2
0.6 –
6
0.8 –
8.4
1.1 –
12
1.5 –
16.9
2.2 –
20
16
0.6 –
1
0.6 –
1.5
0.6 –
2.1
0.6 –
3
0.6 –
4.2
0.6 –
5.9
0.8 –
8.4
1.1 –
12
1.5 –
16.9
22
0.6 –
0.7
0.6 –
1
0.6 –
1.5
0.6 –
2.1
0.6 –
3
0.6 –
4.2
0.6 –
5.9
0.8 –
8.4
1.1 –
12
32
—
0.6 –
0.7
0.6 –
1
0.6 –
1.5
0.6 –
2.1
0.6 –
3
0.6 –
4.2
0.6 –
5.9
0.8 –
8.4
45
——
0.6 –
0.7
0.6 –
1
0.6 –
1.5
0.6 –
2.1
0.6 –
3
0.6 –
4.2
0.6 –
5.9
64
———
0.6 –
0.7
0.6 –
1
0.6 –
1.5
0.6 –
2.1
0.6 –
3
0.6 –
4.2