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91
Automatic Insulated Gate Bipolar Transistor (IGBT) and
series circuitry.
• See page 51 for details on guide numbers in FP High-
Speed Sync Flash and see also page 30 for details on
guide numbers in 1/300 TTL High-Speed Sync Flash.
(Variable in 6 steps, plus 2-steps with built-in wide flash
adapter)
Specifications
Electronic
construction
Guide number
Angle of
coverage
Flash
output
level
1/1 (full)
1/2
1/4
1/8
1/16
Zoom-head position
24mm 28mm 35mm 50mm 70mm 85mm
30/98
32/105
36/118
42/138
48/157 50/164
21/69
22.5/74
25.5/84
30/98
34/112 36/118
15/49 16/53 18/59 21/69 24/79 25/82
10.5/35 11.3/37
12.7/42
15/49 17/56 18/59
7.5/25
20mm
20/66
14/46
10/33
7/23
5/16
18mm
18/59
12.7/42
9/30
6.4/21
4.5/15
8/26 9/30
10.5/35
12/39
12.7/42
1/32
1/64
5.3/173.5/113.2/10 5.7/19 6.4/21 7.5/25 8.5/28 9/30
3.8/13
2.5/8
2.3/8
4/13 4.5/15 5.3/17 6.0/20 6.3/21
(ISO 100, m/ft)
Zoom-head position
18mm (with built-in
wide flash adapter in
place)
Angle of coverage
Horizontal
90°
Vertical
102°
20mm (with built-in
wide flash adapter
in place)
85°
98°
24mm
60°
78°
28mm
53°
70°
35mm
45°
60°
50mm
34°
46°
70mm
26°
36°
85mm
23°
31°
Flash head in horizontal/front position