Canon Speedlite 420EX Instruction Manual - Page 18

Flash

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Flash in Full Auto Mode With the 420EX attached to a Type-A camera set to (Full Auto) or (Program AE), flash photography will be fully automatic and as easy as normal AE photography without flash. The camera sets the shutter speed and aperture automatically to suit the lighting situation, whether it is dark or daylight (fill flash). E-TTL autoflash thereby sets the flash exposure automatically. N'Ait PILOT 11 -.O 70 ins • H OF The image has been removed due to copyright restrictions 60 S6'" • 50 5.5-2.1.,.1.2•• Set the camera to (Full Auto) or (Program AE). • Fully automatic flash photography takes effect when any Basic Zone mode is set with the camera. • Set the high-speed sync switch to Focus the subject. • The shutter speed and aperture settings are displayed in the viewfinder and on the LCD panel. • The sync speed is set automatically anywhere from 1/60 sec. to the camera's fastest sync (varies depending on the camera). The aperture is also set automatically. (->page 52) Take the picture. • Check that the icon is lit in the viewfinder, then take the picture. • Immediately before the picture is taken, a preflash is fired. The main flash then follows. The subject brightness metered with the preflash is used to determine the optimum output of the main flash. 18

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Flash
in
Full
Auto
Mode
With
the
420EX
attached
to
a
Type
-A
camera
set
to
<0>
(Full
Auto)
or
<P>
(Program
AE),
flash
photography
will
be
fully
automatic
and
as
easy
as
normal
AE
photography
without
flash.
The
camera
sets
the
shutter
speed
and
aperture
automatically
to
suit
the
lighting
situation,
whether
it
is
dark
or
daylight
(fill
flash).
E-TTL
autoflash
thereby
sets
the
flash
exposure
automatically.
11
Set
the
camera
to
<0>
(Full
Auto)
or
<P>
(Program
AE).
•
Fully
automatic
flash
photography
N'Ait
-.O
70
ins
takes
effect
when
any
Basic
Zone
mode
is
set
with
the
camera.
•
H
•
Set
the
high-speed
sync
switch
to
PILOT
OF
The
image
has
been
removed
due
to
copyright
restrictions
60
S6'"
•
50
5.5-
2.1.,.1.2••
Focus
the
subject.
•
The
shutter
speed
and
aperture
settings
are
displayed
in
the
viewfinder
and
on
the
LCD
panel.
•
The
sync
speed
is
set
automatically
anywhere
from
1/60
sec.
to
the
camera's
fastest
sync
(varies
depending
on
the
camera).
The
aperture
is
also
set
automatically.
(—>page
52)
Take
the
picture.
•
Check
that
the
<>
icon
is
lit
in
the
viewfinder,
then
take
the
picture.
•
Immediately
before
the
picture
is
taken,
a
preflash
is
fired.
The
main
flash
then
follows.
The
subject
brightness
metered
with
the
preflash
is
used
to
determine
the
optimum
output
of
the
main
flash.
18