89
Electronic construction
Automatic Insulated Gate Bipolar Transistor (IGBT)
and series circuitry.
Angle of coverage
Horizontal position
Vertical position
Guide number
(at 20˚C/68˚F)
(at ISO 100: for m/ft)
For Guide numbers for 1/300 TTL High-Speed Sync
Flash in AUTO flash mode (F5 camera only), see page 40.
Flash head
The flash head rotates from the horizontal to the
vertical position along a 180° arc.
Flash mode selector
OFF / M / AUTO
• Power turns ON when set to "M" or "AUTO" position.
• Standby function works when set to "M" or "AUTO"
position (set camera setting switch to
K
); power
automatically turns OFF after approx. 80 seconds
when both SB-27 and camera are not in use.
Angle of coverage
Vertical
Horizontal
Covering the picture angle of 24mm lens
60°
78°
Covering the picture angle of 28mm lens
53°
70°
Covering the picture angle of 35mm lens
46°
60°
Covering the picture angle of 50mm lens
36°
46°
Specifications
Angle of coverage
Vertical
Horizontal
Covering the picture angle of 35mm lens
78°
60°
Covering the picture angle of 50mm lens
60°
46°
Covering the picture angle of 70mm lens
46°
36°
Zoom-head position
Light
24mm
28mm
35mm
50mm
Output
(normal)
1/1 (full)
25/82
27/89
30/98
34/112
1/2
17.7/58
19/62
21.2/69
24/79
1/4
12.5/41
13.5/44
15/49
17/56
1/8
8.8/29
9.5/31
10.5/34
12/39
1/16
6.2/20
6.7/22
7.4/24
8.5/28
