Canon Speedlite 420EX Instruction Manual - Page 30

Modeling, Flash

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Modeling Flash With the 420EX attached to the EOS 30/ELAN 7E, EOS-1V, or EOS-3, you can fire a modeling flash to check the shadow effects of the flash or the lighting balance in a wireless flash system before you take the picture. zri OFF _o SLAVE EYE CONVROL Set the wireless selector to . • The flash coverage is set to 24mm automatically. However, when the modeling flash is fired, the flash coverage will suit the lens focal length. Check the camera and Speedlite's settings for flash photography. Press the camera's depth-of-field preview button. • The modeling flash is fired at 70 Hz for about 1 sec. 0 Do not fire the modeling flash more than 10 times in succession. After 10 times, allow the 420EX to cool for at least 10 minutes. This is to prevent overheating and deterioration of the flash head. M For depth-of-field preview with the camera, first set the 420EX's wireless selector to , then press the depth-of-field preview button. 30

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Modeling
Flash
With
the
420EX
attached
to
the
EOS
30/ELAN
7E,
EOS-1V,
or
EOS-3,
you
can
fire
a
modeling
flash
to
check
the
shadow
effects
of
the
flash
or
the
lighting
balance
in
a
wireless
flash
system
before
you
take
the
picture.
zri
OFF
_o
SLAVE
EYE
CONVROL
Set
the
wireless
selector
to
<SLAVE>.
•
The
flash
coverage
is
set
to
24mm
automatically.
However,
when
the
modeling
flash
is
fired,
the
flash
coverage
will
suit
the
lens
focal
length.
Check
the
camera
and
Speedlite's
settings
for
flash
photography.
Press
the
camera's
depth
-of
-field
preview
button.
•
The
modeling
flash
is
fired
at
70
Hz
for
about
1
sec.
0
Do
not
fire
the
modeling
flash
more
than
10
times
in
succession.
After
10
times,
allow
the
420EX
to
cool
for
at
least
10
minutes.
This
is
to
prevent
overheating
and
deterioration
of
the
flash
head.
M
For
depth
-of
-field
preview
with
the
camera,
first
set
the
420EX's
wireless
selector
to
<OFF>,
then
press
the
depth
-of
-field
preview
button.
30