20Flash Shooting Range Guidelines

When using EF-S 18-55mm f/3.5-5.6 IS [approx. m / ft.]

ISO Normal Position Extended Position
18mm 55mm 18mm 55mm
100 1 - 6.9 /
3.3 - 22.6
1 - 4.3 /
3.3 - 14.1 -1 - 5.7 /
3.3 - 18.7
200 1 - 9.7 /
3.3 - 31.8
1 - 6.1 /
3.3 - 20 -1 - 8.1 /
3.3 - 26.6
400 1 - 13.7 /
3.3 - 44.9
1 - 8.6 /
3.3 - 28.2 -1 - 11.4 /
3.3 - 37.4
800 1.2 - 19.4 /
3.9 - 63.6
1 - 12.1 /
3.3 - 39.7 -1 - 16.2 /
3.3 - 53.1
1600 1.7 - 27.4 /
5.6 - 89.9
1 - 17.1 /
3.3 - 56.1 -1 - 22.9 /
3.3 - 75.1
3200 2.4 - 38.8 /
7.9 - 127.3
1.5 - 24.2 /
4.9 - 79.4 -1.4 - 32.3 /
4.6 - 106
6400 3.4 - 54.9 /
11.2 - 180.1
2.1 - 34.3 /
6.9 - 112.5 -2 - 45.7 /
6.6 - 149.9
12800 4.8 - 77.6 /
15.7 - 254.6
3 - 48.5 /
9.8 - 159.1 -2.8 - 64.6 /
9.2 - 211.9