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Using an External Flash (Sold Separately)
*1 : Shutter speed of 1/90 sec. or slower.
*2
:
Available for wireless mode.
*3 : One or more SEF-54PZF or SEF-36PZF units are required.
About the LCD Panel Display for SEF-36PZF
The SEF-36PZF will automatically convert the fi eld angle differential between
35 mm format and the GX-20 depending on the focal length of the lens you
are using.
Lens focal length
77mm or
longer
50mm 35mm 28mm 24mm 20mm 18mm
SEF-36PZF LCD panel
58mm 48mm 34mm
24mm 19mm 16mm
Using the optional external fl ash (SEF-54PZF, SEF-36PZF) enables a variety
of fl ash modes, such as P-TTL auto fl ash mode, high-speed fl ash sync mode,
and wireless mode. See the chart below for details.
(O: Available, X: Not available)
● See the external fl ash operating manual for details.
The following information is about using the external fl ash (SEF-54PZF or
SEF-36PZF).
Camera Function
Flash Built-in Flash
SEF-36PZF/
SEF-54PZF
Red-eye reduction fl ash O
O
Automatic fl ash discharge
OO
After the fl ash is charged, the camera automatically
switches to the fl ash sync speed.
OO
Aperture is automatically set in P (Program) mode and
Tv (Shutter Priority) mode.
OO
P-TTL auto fl ash (appropriate sensitivity: 200 to 3200)
OO
Slow-speed sync
OO
Flash exposure compensation
OO
AF illuminator
OO
Rear curtain sync fl ash
*
1
OO
Contrast-control-sync fl ash mode*
2
OO
Slave fl ash X
O
Multi Flash
XX
High-speed fl ash sync
XO
Wireless fl ash
*
3
OO