Manual Flash Guide No. (ISO 100, in meters/feet)
Flash Output
Flash Coverage
24mm (flash head in
normal position)
50mm (flash head in
extended position)
1/1
1/2
1/4
24 /
17 /
12 /
78.7
55.8
39.4
32 /
22.6 /
16 /
105
74.1
52.5
1/8
1/16
1/32
8.5 /
6 /
4.2 /
27.9
19.7
13.8
11.3 /
8 /
5.7 /
37.1
26.2
18.7
1/64
3 /
9.8
4 /
13.1
45