Flash light intensity is controlled
according to the light detected
through the auto light receptor of
the flash and to the lens iris (F).
AUTO
MANUAL
54
55
PICTURE SHOOTING USING A DIGITAL CAMERA WITHOUT COMMUNICATION CAPABILITY

<Selecting the control mode>

1.Tu rn the electronic flash on. The batteries are recharged
when the Charge lamp lights up.
2.Press the MODE button to select the flash control mode.
•The selected mode is shown in the control panel.
•The mode is switched every time the MODE button is
pressed.
Usually use this mode.
Flash activation is performed
according to the manually set
guide number (GN).
Flash control
mode
Control panel
display Control operation Main application Ref.
Pages
Shooting using manual flash.

<FP MANUAL>

In this mode, Super FP emission is performed at the set light intensity.
Displayed according to the
focal distance of the lens.
Guide number (GN)
Optimum shooting distance
1.The control panel shows the current guide number (GN)
together with the optimum shooting distance according to
the camera setup.
2.Tu rn dial A to set the guide number (GN).
Set the guide number (GN) so that the optimum shooting
distance is equal to the subject distance.
When the optimum shooting distance is 0.6 m (0.5 m in
case of close-up flash) or less, the displayed figure blinks
to warn that the subject is located outside the flash light
emission area.
The optimum shooting distance varies according to the
camera setup (ISO speed, lens iris (F), lens focal length
(ZOOM) and shutter speed). See page 65 for details.
Memo: The optimum shooting distance can be calculated with
the following formula.
Optimum shooting distance = Guide number (GN)/Lens iris (F)
■Light intensity adjustment
The flash light intensity can be adjusted between +0.7 and –0.7.
Light intensity adjustment value
The light intensity adjustment must be set to ON in the
custom setup operation (page 61).
•The indicator appears in the control panel.
1.Tu rn dial B to select a light intensity adjustment value in
the following steps.
0 +0.3 +0.7
0 –0.3 –0.7
2. The display shows the light intensity adjustment value ex-
cept when the value is 0, in which case the display does not
show the guide number (GN) or optimum shooting distance.
3.Even if the camera’s flash adjustment mode is selected,
only the FL-50’s adjustment setting will work. The camera’s
setting will not work.
[Example]
Selected
adjustment value
Adjustment value
displayed on FL-50
Actual light intensity
adjustment
FL-50 +0.3 +0.3 +0.3
Camera +0.3