Canon Speedlite 320EX - Manual (Page 22)

20
Flash 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
COP
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