84
High-Speed Sync Guide Number
*With the wide-angle panel attached
ISO
Shutter
speed
Camera format
Zoom position
35mm
85mm
70mm
50mm
35mm
28mm
24mm
*20mm
DIGITAL
58mm
48mm
34mm
24mm
19mm
16mm
*13mm
ISO100
250
24.2
22.4
20.1
17.5
15.7
14.3
9.4
500
18.8
17.4
15.6
13.6
12.2
11.1
7.3
1000
14
13
11.7
10.1
9.1
8.3
5.5
2000
10.2
9.5
8.5
7.4
6.6
6
4
4000
7.3
6.8
6.1
5.3
4.8
4.3
2.9
6000
6.2
5.7
5.2
4.5
4.0
3.7
2.4
ISO200
250
34.2
31.6
28.5
24.7
22.2
20.3
13.3
500
26.5
24.6
22.1
19.2
17.2
15.7
10.3
1000
19.8
18.4
16.5
14.3
12.8
11.7
7.7
2000
14.4
13.4
12.0
10.4
9.4
8.6
5.6
4000
10.4
9.6
8.6
7.5
6.7
6.1
4.0
6000
8.8
8.1
7.3
6.3
5.7
5.2
3.4
ISO400
250
48.4
44.8
40.2
35
31.4
28.6
18.8
500
37.6
34.8
31.2
27.2
24.4
22.2
14.6
1000
28
26
23.4
20.2
18.2
16.6
11
2000
20.4
19
17
14.8
13.2
12
8
4000
14.6
13.6
12.2
10.6
9.6
8.6
5.8
6000
12.4
11.5
10.3
8.9
8.0
7.3
4.8
