Nikon SB 27 Instruction Manual - Page 89

Specifications

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Specifications Electronic construction Angle of coverage Automatic Insulated Gate Bipolar Transistor (IGBT) and series circuitry. Horizontal position 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° Vertical position Angle of coverage Covering the picture angle of 35mm lens Covering the picture angle of 50mm lens Covering the picture angle of 70mm lens Vertical 78° 60° 46° Horizontal 60° 46° 36° Guide number (at ISO 100: for m/ft) Flash head Flash mode selector (at 20˚C/68˚F) Light Output Zoom-head position 24mm 28mm (normal) 35mm 50mm 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 For Guide numbers for 1/300 TTL High-Speed Sync Flash in AUTO flash mode (F5 camera only), see page 40. The flash head rotates from the horizontal to the vertical position along a 180° arc. 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. 

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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