Olympus FL-36R User Manual
Page 45
45
EN
FP MANUAL
The following guide number figures have a 1/1 flash intensity ratio.
ISO100, m
ZOOM (mm)
FOUR THIRDS
8
10
12
14
17
25
35
42
With 135
16
20
24
28
35
50
70
85
Shutter speed
1/125
8.5
9.9 14.1 15.6 17.0 19.8 22.6 25.5
1/160
7.5
8.8 12.5 13.8 15.0 17.5 20.0 22.5
1/200
6.7
7.8
11.2 12.3 13.4 15.7 17.9 20.1
1/250
6.0
7.0 10.0 11.0 12.0 14.0 16.0 18.0
1/320
5.3
6.2
8.8
9.7 10.6 12.4 14.1 15.9
1/400
4.7
5.5
7.9
8.7
9.5
11.1 12.6 14.2
1/500
4.2
4.9
7.1
7.8
8.5
9.9
11.3 12.7
1/640
3.8
4.4
6.3
6.9
7.5
8.8 10.0 11.3
1/800
3.4
3.9
5.6
6.1
6.7
7.8
8.9 10.1
1/1000
3.0
3.5
5.0
5.5
6.0
7.0
8.0
9.0
1/1250
2.7
3.1
4.5
4.9
5.4
6.3
7.2
8.0
1/1600
2.4
2.8
4.0
4.3
4.7
5.5
6.3
7.1
1/2000
2.1
2.5
3.5
3.9
4.2
4.9
5.7
6.4
1/2500
1.9
2.2
3.2
3.5
3.8
4.4
5.1
5.7
1/3200
1.7
2.0
2.8
3.1
3.4
3.9
4.5
5.0
1/4000
1.5
1.8
2.5
2.8
3.0
3.5
4.0
4.5
1/5000
1.3
1.6
2.2
2.5
2.7
3.1
3.6
4.0
1/6400
1.2
1.4
2.0
2.2
2.4
2.8
3.2
3.6
1/8000
1.1
1.2
1.8
1.9
2.1
2.5
2.8
3.2
The guide numbers for flash intensity ratios other than 1/1 in the FP MANUAL mode
can be calculated with the following formula.
Guide number = Guide number at 1/1 × Flash intensity ratio coefficient
Flash intensity ratios and their coefficients
Flash intensity ratio
1/1
1/2
1/4
1/8
1/16
Coefficient
1.0
0.71
0.5
0.35
0.25
r2067_e_000_cs2j.indb 45
r2067_e_000_cs2j.indb 45
2007/10/01 10:49:55
2007/10/01 10:49:55