Table of Guide Numbers (GN)
[TTL AUTO]/[AUTO]
Lighting angle
When a 135 (35 mm
(mm)
[TTL AUTO]/[AUTO]
[MANUAL]
Lighting angle
When a 135 (35 mm
(mm)
[MANUAL]
[FP TTL AUTO]
Lighting angle
When a 135 (35 mm
(mm)
Shutter speed
FOUR THIRDS
film conversion)
camera is used
Full flash
FOUR THIRDS
film conversion)
camera is used
1/1
1/2
1/4
1/8
1/16
1/32
1/64
1/128
FOUR THIRDS
film conversion)
camera is used
1/125
1/160
1/200
1/250
1/320
1/400
1/500
1/640
1/800
1/1000
1/1250
1/1600
1/2000
1/2500
1/3200
1/4000
1/5000
1/6400
1/8000
8
10
12
14
16
20
24
28
18
20
28
30
8
10
12
14
16
20
24
28
18
20
28
30
13
14
20
21
9.0
10
14
15
6.4
7.1
9.9
11
4.5
5.0
7.0
7.5
3.2
3.5
4.9
5.3
2.3
2.5
3.5
3.8
1.6
1.8
2.5
2.7
8
10
12
14
16
20
24
28
13
14
20
21
11
13
18
19
10
11
16
17
9.0
10
14
15
8.0
8.9
13
13
7.1
7.9
11
12
6.4
7.1
9.9
11
5.7
6.3
8.8
9.4
5.0
5.6
7.9
8.4
4.5
5.0
7.0
7.5
4.0
4.4
6.2
6.7
3.6
4.0
5.6
5.9
3.2
3.5
5.0
5.3
2.8
3.1
4.4
4.7
2.5
2.8
3.9
4.2
2.2
2.5
3.5
3.7
2.0
2.2
3.1
3.3
1.8
2.0
2.8
3.0
1.6
1.8
2.5
2.7
17
25
35
42
35
50
70
85
36
40
45
50
17
25
35
42
35
50
70
85
36
40
45
50
26
28
32
35
18
20
23
25
13
14
16
18
9.0
10
11
13
6.4
7.1
8.0
8.8
4.5
5.0
5.6
6.3
3.2
3.5
4.0
4.4
17
25
35
42
35
50
70
85
26
28
32
35
23
25
28
32
20
23
25
28
18
20
23
25
16
18
20
22
14
16
18
20
13
14
16
18
11
13
14
16
10
11
13
14
9.0
10
11
13
8.0
8.9
10
11
7.2
7.9
8.9
9.9
6.4
7.1
8.0
8.9
5.7
6.3
7.1
7.9
5.1
5.6
6.3
7.0
4.5
5.0
5.6
6.3
4.0
4.5
5.0
5.6
3.6
4.0
4.5
5.0
3.2
3.5
4.0
4.4
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