Nikon SB 900 User Manual - Page 136

Guide number table with Auto FP High-Speed Sync

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Specifications Guide number table (with Auto FP High-Speed Sync) ■ Standard illumination pattern, at ISO 100; m/ft (in FX-format) Flash output 14mm level WP + BA BA WP 17 18 20 Zoom position (mm) 24 28 35 50 70 85 105 120 135 180 200 1/1 6/ 7.4/ 7.8/ 10.1/ 10.6/ 11/ 12.4/ 13.8/ 15.6/ 18.4/ 20.2/ 21.6/ 22.8/ 23.4/ 23.7/ 24.8/ 25.7/ 19.7 24.3 25.6 33.1 34.8 36.1 40.7 45.3 51.2 6.04 66.3 70.9 74.8 76.8 77.6 81.4 84.3 1/2 4.2/ 5.2/ 5.5/ 7.1/ 7.4/ 7.7/ 8.7/ 9.7/ 11/ 13/ 14.2/ 15.2/ 16.1/ 16.5/ 16.7/ 17.5/ 18.1/ 13.8 17.1 18.0 23.3 24.3 25.3 28.5 31.8 36.1 42.7 46.6 49.9 52.8 54.1 54.8 57.4 59.4 1/4 3/ 3.7/ 3.9/ 5/ 5.3/ 5.5/ 6.2/ 6.9/ 7.8/ 9.2/ 10.1/ 10.8/ 11.4/ 11.7/ 11.8/ 12.4/ 12.8/ 9.8 12.1 12.8 16.4 17.4 18.0 20.3 22.6 25.6 30.2 33.1 35.4 37.4 38.4 38.7 40.7 42.0 1/8 2.1/ 2.6/ 2.7/ 3.5/ 3.7/ 3.8/ 4.3/ 4.8/ 5.5/ 6.5/ 7.1/ 7.6/ 8/ 8.2/ 8.3/ 8.7/ 9/ 6.9 8.5 8.9 11.5 12.1 12.5 14.1 15.7 18.0 21.3 22.3 24.9 26.2 26.9 27.2 28.5 29.5 1/16 1.5/ 1.8/ 1.9/ 2.5/ 2.6/ 2.7/ 3.1/ 3.4/ 3.9/ 4.6/ 5/ 5.4/ 5.7/ 5.8/ 5.9/ 6.2/ 6.4/ 4.9 5.9 6.2 8.2 8.5 8.9 10.2 11.2 22.8 15.1 16.4 17.7 18.7 19.0 19.4 20.3 21.0 1/32 1/ 3.3 1.3/ 1.3/ 1.7/ 1.8/ 1.9/ 2.1/ 2.4/ 2.7/ 3.2/ 3.5/ 3.8/ 4/ 4.1/ 4.1/ 4.3/ 4.5/ 4.7 4.7 5.6 5.9 6.2 6.9 7.9 8.9 10.5 11.5 12.5 13.1 13.5 13.5 14.1 14.8 1/64 0.7/ 2.3 0.9/ 3.0 0.9/ 3.0 1.2/ 3.9 1.3/ 4.7 1.3/ 4.7 1.5/ 4.9 1.7/ 5.6 1.9/ 6.2 2.3/ 7.5 2.5/ 8.2 2.7/ 8.9 2.8/ 9.2 2.9/ 9.5 2.9/ 3.1/ 3.2/ 9.5 10.2 10.5 1/128 0.5/ 1.6 0.6/ 2.0 0.6/ 2.0 0.8/ 2.6 0.9/ 3.0 0.9/ 3.0 1/ 3.3 1.2/ 1.3/ 1.6/ 1.7/ 1.9/ 3.9 4.7 5.2 5.6 6.2 2/ 6.6 2/ 6.6 2/ 6.6 2.1/ 2.2/ 6.9 7.2 Tips on Speedlight care and reference information ■ Standard illumination pattern, at ISO 100; m/ft (in DX-format) Flash Zoom position (mm) output 10mm F level WP +BA BA WP 12 14 16 17 18 20 24 28 35 50 70 85 105 120 135 180 200 1/1 6/ 7.4/ 7.8/ 10.5/ 11.5/ 12.4/ 13.3/ 13.8/ 14.2/ 15.6/ 16.5/ 18.4/ 21.1/ 22.7/ 23.4/ 24.1/ 24.8/ 25.7/ 26/ 26.2/ 19.7 24.3 25.6 34.4 37.7 40.7 43.6 45.3 46.6 51.2 54.1 6.04 69.2 74.5 76.8 79.1 81.4 84.3 85.3 86.0 1/2 4.2/ 5.2/ 5.5/ 7.4/ 8.1/ 8.7/ 9.4/ 9.7/ 10/ 11/ 11.6/ 13/ 14.9/ 16/ 16.5/ 17/ 17.5/ 18.1/ 18.3/ 18.5/ 13.8 17.1 18.0 24.3 26.6 28.5 30.8 31.8 32.8 36.1 38.0 42.7 48.9 52.5 54.1 55.8 57.4 59.4 60.0 60.7 1/4 3/ 3.7/ 3.9/ 5.2/ 5.7/ 6.2/ 6.6/ 6.9/ 7.1/ 7.8/ 8.2/ 9.2/ 10.5/ 11.3/ 11.7/ 12/ 12.4/ 12.8/ 13/ 13.1/ 9.8 12.1 12.8 17.1 18.7 20.3 21.7 22.6 23.3 25.6 26.9 30.2 34.4 37.1 38.4 39.3 40.7 42.0 42.7 43.0 1/8 2.1/ 2.6/ 2.7/ 3.7/ 4/ 4.3/ 4.7/ 4.8/ 5/ 5.5/ 5.8/ 6.5/ 7.4/ 8/ 8.2/ 8.5/ 8.7/ 9/ 9.1/ 9.2/ 6.9 8.5 8.9 12.1 13.1 14.1 15.4 15.7 16.4 18.0 19.0 21.3 24.3 26.2 26.9 27.9 28.5 29.5 29.9 30.2 1/16 1.5/ 1.8/ 1.9/ 2.6/ 2.8/ 3.1/ 3.3/ 3.4/ 3.5/ 3.9/ 4.1/ 4.6/ 5.2/ 5.6/ 5.8/ 6/ 6.2/ 6.4/ 6.5/ 6.5/ 4.9 5.9 6.2 8.5 9.2 10.2 10.8 11.2 11.5 22.8 13.5 15.1 17.1 18.8 19.0 19.7 20.3 21.0 21.3 21.3 1/32 1/ 1.3/ 1.3/ 1.8/ 2/ 2.1/ 2.3/ 2.4/ 2.5/ 2.7/ 2.9/ 3.2/ 3.7/ 4/ 4.1/ 4.2/ 4.3/ 4.5/ 4.5/ 4.6/ 3.3 4.7 4.7 5.9 6.6 6.9 7.5 7.9 8.2 8.9 9.5 10.5 12.1 13.1 13.5 13.8 14.1 14.8 14.8 15.1 1/64 0.7/ 0.9/ 0.9/ 1.3/ 1.4/ 1.5/ 1.6/ 1.7/ 1.7/ 1.9/ 2/ 2.3/ 2.6/ 2.8/ 2.9/ 3/ 3.1/ 3.2/ 3.2/ 3.2/ 2.3 3.0 3.0 4.7 4.6 4.9 5.2 5.6 5.6 6.2 6.6 7.5 8.5 9.2 9.5 9.8 10.2 10.5 10.5 10.5 1/128 0.5/ 0.6/ 0.6/ 0.9/ 1.6 2.0 2.0 3.0 1/ 3.3 1/ 3.3 1.1/ 1.2/ 1.2/ 1.3/ 1.4/ 1.6/ 1.8/ 3.6 3.9 3.9 4.7 4.6 5.2 5.9 2/ 6.6 2/ 6.6 2.1/ 2.1/ 2.2/ 2.2/ 2.3/ 6.9 6.9 7.2 7.2 7.5 • Guide numbers in tables above are for when the SB-900 is mounted to the D3 camera and with 1/500 sec. shutter speed. • Guide number with Auto FP High-Speed Sync varies depending on the camera's shutter speed. For example, when the shutter speed is changed from 1/500 sec. to 1/1000 sec., the guide number decreases 1 EV. The faster the shutter speed, the smaller the guide number. • BA: With the Nikon Diffusion Dome attached • WP: With the wide-flash adapter in place F-20

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F
–
20
F
Tips on Speedlight care and reference information
Guide number table (with Auto FP High-Speed Sync)
Standard illumination pattern, at ISO 100; m/ft (in FX-format)
■
Standard illumination pattern, at ISO 100; m/ft (in DX-format)
■
Guide numbers in tables above are for when the SB-900 is mounted to the D3 camera and
with 1/500 sec. shutter speed.
Guide number with Auto FP High-Speed Sync varies depending on the camera’s shutter
speed. For example, when the shutter speed is changed from 1/500 sec. to 1/1000 sec., the
guide number decreases 1 EV. The faster the shutter speed, the smaller the guide number.
BA: With the Nikon Diffusion Dome attached
WP: With the wide-flash adapter in place
•
•
•
•
Specifications
Flash
output
level
Zoom position (mm)
14mm
17
18
20
24
28
35
50
70
85
105
120
135
180
200
WP
+
BA
BA
WP
1/1
6/
19.7
7.4/
24.3
7.8/
25.6
10.1/
33.1
10.6/
34.8
11/
36.1
12.4/
40.7
13.8/
45.3
15.6/
51.2
18.4/
6.04
20.2/
66.3
21.6/
70.9
22.8/
74.8
23.4/
76.8
23.7/
77.6
24.8/
81.4
25.7/
84.3
1/2
4.2/
13.8
5.2/
17.1
5.5/
18.0
7.1/
23.3
7.4/
24.3
7.7/
25.3
8.7/
28.5
9.7/
31.8
11/
36.1
13/
42.7
14.2/
46.6
15.2/
49.9
16.1/
52.8
16.5/
54.1
16.7/
54.8
17.5/
57.4
18.1/
59.4
1/4
3/
9.8
3.7/
12.1
3.9/
12.8
5/
16.4
5.3/
17.4
5.5/
18.0
6.2/
20.3
6.9/
22.6
7.8/
25.6
9.2/
30.2
10.1/
33.1
10.8/
35.4
11.4/
37.4
11.7/
38.4
11.8/
38.7
12.4/
40.7
12.8/
42.0
1/8
2.1/
6.9
2.6/
8.5
2.7/
8.9
3.5/
11.5
3.7/
12.1
3.8/
12.5
4.3/
14.1
4.8/
15.7
5.5/
18.0
6.5/
21.3
7.1/
22.3
7.6/
24.9
8/
26.2
8.2/
26.9
8.3/
27.2
8.7/
28.5
9/
29.5
1/16
1.5/
4.9
1.8/
5.9
1.9/
6.2
2.5/
8.2
2.6/
8.5
2.7/
8.9
3.1/
10.2
3.4/
11.2
3.9/
22.8
4.6/
15.1
5/
16.4
5.4/
17.7
5.7/
18.7
5.8/
19.0
5.9/
19.4
6.2/
20.3
6.4/
21.0
1/32
1/
3.3
1.3/
4.7
1.3/
4.7
1.7/
5.6
1.8/
5.9
1.9/
6.2
2.1/
6.9
2.4/
7.9
2.7/
8.9
3.2/
10.5
3.5/
11.5
3.8/
12.5
4/
13.1
4.1/
13.5
4.1/
13.5
4.3/
14.1
4.5/
14.8
1/64
0.7/
2.3
0.9/
3.0
0.9/
3.0
1.2/
3.9
1.3/
4.7
1.3/
4.7
1.5/
4.9
1.7/
5.6
1.9/
6.2
2.3/
7.5
2.5/
8.2
2.7/
8.9
2.8/
9.2
2.9/
9.5
2.9/
9.5
3.1/
10.2
3.2/
10.5
1/128
0.5/
1.6
0.6/
2.0
0.6/
2.0
0.8/
2.6
0.9/
3.0
0.9/
3.0
1/
3.3
1.2/
3.9
1.3/
4.7
1.6/
5.2
1.7/
5.6
1.9/
6.2
2/
6.6
2/
6.6
2/
6.6
2.1/
6.9
2.2/
7.2
Flash
output
level
Zoom position (mm)
10mm
12
14
16
17
18
20
24
28
35
50
70
85
105 120 135 180 200
WP
+BA
BA
WP
1/1
6/
19.7
7.4/
24.3
7.8/
25.6
10.5/
34.4
11.5/
37.7
12.4/
40.7
13.3/
43.6
13.8/
45.3
14.2/
46.6
15.6/
51.2
16.5/
54.1
18.4/
6.04
21.1/
69.2
22.7/
74.5
23.4/
76.8
24.1/
79.1
24.8/
81.4
25.7/
84.3
26/
85.3
26.2/
86.0
1/2
4.2/
13.8
5.2/
17.1
5.5/
18.0
7.4/
24.3
8.1/
26.6
8.7/
28.5
9.4/
30.8
9.7/
31.8
10/
32.8
11/
36.1
11.6/
38.0
13/
42.7
14.9/
48.9
16/
52.5
16.5/
54.1
17/
55.8
17.5/
57.4
18.1/
59.4
18.3/
60.0
18.5/
60.7
1/4
3/
3.7/
3.9/
5.2/
5.7/
6.2/
6.6/
6.9/
7.1/
7.8/
8.2/
9.2/
10.5/ 11.3/ 11.7/
12/
12.4/ 12.8/
13/
13.1/
9.8
12.1
12.8
17.1
18.7
20.3
21.7
22.6
23.3
25.6
26.9
30.2
34.4
37.1
38.4
39.3
40.7
42.0
42.7
43.0
1/8
2.1/
2.6/
2.7/
3.7/
4/
4.3/
4.7/
4.8/
5/
5.5/
5.8/
6.5/
7.4/
8/
8.2/
8.5/
8.7/
9/
9.1/
9.2/
6.9
8.5
8.9
12.1
13.1
14.1
15.4
15.7
16.4
18.0
19.0
21.3
24.3
26.2
26.9
27.9
28.5
29.5
29.9
30.2
1/16
1.5/
1.8/
1.9/
2.6/
2.8/
3.1/
3.3/
3.4/
3.5/
3.9/
4.1/
4.6/
5.2/
5.6/
5.8/
6/
6.2/
6.4/
6.5/
6.5/
4.9
5.9
6.2
8.5
9.2
10.2
10.8
11.2
11.5
22.8
13.5
15.1
17.1
18.8
19.0
19.7
20.3
21.0
21.3
21.3
1/32
1/
1.3/
1.3/
1.8/
2/
2.1/
2.3/
2.4/
2.5/
2.7/
2.9/
3.2/
3.7/
4/
4.1/
4.2/
4.3/
4.5/
4.5/
4.6/
3.3
4.7
4.7
5.9
6.6
6.9
7.5
7.9
8.2
8.9
9.5
10.5
12.1
13.1
13.5
13.8
14.1
14.8
14.8
15.1
1/64
0.7/
0.9/
0.9/
1.3/
1.4/
1.5/
1.6/
1.7/
1.7/
1.9/
2/
2.3/
2.6/
2.8/
2.9/
3/
3.1/
3.2/
3.2/
3.2/
2.3
3.0
3.0
4.7
4.6
4.9
5.2
5.6
5.6
6.2
6.6
7.5
8.5
9.2
9.5
9.8
10.2
10.5
10.5
10.5
1/128
0.5/
0.6/
0.6/
0.9/
1/
1/
1.1/
1.2/
1.2/
1.3/
1.4/
1.6/
1.8/
2/
2/
2.1/
2.1/
2.2/
2.2/
2.3/
1.6
2.0
2.0
3.0
3.3
3.3
3.6
3.9
3.9
4.7
4.6
5.2
5.9
6.6
6.6
6.9
6.9
7.2
7.2
7.5