Panasonic DMWFL220E Operating Guide
VQT1U62
14
1 Press the shutter button all the way down, and
take the picture.
2 Set the mode dial to [OFF] to turn off this unit
after taking the picture.
∫
How to determine the aperture and the optimum camera to
subject distance
subject distance
Guide number (GN) for this unit is 22 (ISO100
·
m).
When the aperture is to be set
≥
The following formula is used to obtain the aperture, which is
then set in the digital camera.
then set in the digital camera.
“Guide number (GN)”
k
“ISO sensitivity coefficient
¢
”
m
“Camera
to subject distance (m)”
How to obtain the optimum camera to subject distance
“Guide number (GN)”
“Guide number (GN)”
k
“ISO sensitivity coefficient
¢
”
m
“Aperture
(F)”
¢ ISO sensitivity coefficient
∫
Optimum camera to subject distance (m)
≥
The optimum camera to subject distance is an estimate.
[MANUAL]
ISO
sensitivity
Compensation
coefficient
ISO
sensitivity
Compensation
coefficient
80
0.89
800
2.8
100
1.0
1600
4.0
200
1.4
3200
5.6
400
2.0
6400
8.0
ISO
sensitivity
Aperture value (F)
1.4
2
2.8
3.5
4
5.6
8
11
16
22
80
14.0 9.8
7.0
5.6
4.9
3.5
2.4
1.8
1.2
0.9
100
15.7 11.0 7.9
6.3
5.5
3.9
2.8
2.0
1.4
1.0
200
22.0 15.4 11.0 8.8
7.7
5.5
3.9
2.8
1.9
1.4
400
31.4 22.0 15.7 12.6 11.0 7.9
5.5
4.0
2.8
2.0
800
44.0 30.8 22.0 17.6 15.4 11.0 7.7
5.6
3.9
2.8
1600
62.9 44.0 31.4 25.1 22.0 15.7 11.0 8.0
5.5
4.0
3200
88.0 61.6 44.0 35.2 30.8 22.0 15.4 11.2 7.7
5.6
6400
125.7 88.0 62.9 50.3 44.0 31.4 22.0 16.0 11.0 8.0
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