Key Features and Controls (back)
Channel selection switch
Firing group selection switch Assigns firing
Assigns firing channel for wireless
group when 320EX is combined with other
operation. Slave flash channel must match
master flash channel.
Manual LED light button
Glows steadily when the flash coverage
Press and hold until the LED light turns on.
matches the lens coverage. Blinks when
coverage is too narrow for lens coverage.
LED light switch
Set to M to enable Manual activation of
LED light. Set to Auto with EOS models
On turns on power
having auto LED illumination function,
Slave is for wireless operation
QuickGuide to Canon
such as Rebel T3 and T3i.
Off shuts off power.
320EX Speedlite Features
Key Features and Controls (front)
The purpose of this QuickGuide is to provide a concise
Full Auto, P,
Set automatically (1/x sec. – 1/60 sec.)
review of how to operate the basic features and functions
Remote release button
of the Canon 320EX Speedlite. Unless otherwise noted,
Set manually (1/x sec. – 30 sec.)
Allows remote triggering of
the following instructions require your 320EX Speedlite to
Set automatically (1/x sec. – 30 sec.)
cameras compatible with the
be mounted to your camera's hot shoe. This will allow your
Set manually (1/x sec. – 30 sec., Bulb)
RC-1, RC-5, or RC-6 Remote
camera to communicate with the 320EX and for you to
make flash settings with the camera's menu system.
The mode you choose will depend mainly on the balance
you prefer between the flash exposure and ambient
E-TTL II Auto Flash Set-up
light exposure. Longer shutter speeds will allow longer
ambient light exposures to help prevent dark backgrounds;
For cameras with built-in flash:
however, long exposures also risk blur from subject or
Remote control transmitter
1. Press the camera Menu button.
camera motion. Smaller apertures provide more depth-
2. Select the first Shooting Menu (first camera icon on the
of-field but require more flash power and reduce the
maximum flash range.
* EOS Digital Rebel; Rebel XT, XTi; Rebel XSi; Rebel T1i, T2i,
3. Select [Flash control] or [External Speedlite control].
T3i; EOS 7D, EOS 5D Mark II (as of mid-2011).
4. Select [External flash func. setting]. Press Set.
5. Set [Flash mode] to [E-TTL II]
E-TTL II Flash Range
The flash head can be manually extended or retracted to
This step is not necessary for cameras that have no built-in
The flash range will vary depending on the ISO setting,
better match the flash coverage to the camera and lens in
flash. It is also not necessary if you have not previously
angle of coverage, and maximum aperture of your lens. If
use. Refer to the table below for recommended settings.
changed the default flash settings on your camera.
you see a blinking <> icon in your viewfinder then your
Flash Head Normal
subject is too far away. You should either move closer or
Camera Exposure Mode Settings
increase the ISO. The table on the reverse side provides
APS-C size sensor
15mm or longer lens
32mm or longer
a guide to minimum and maximum shooting ranges for the
(Rebel series, 60D, 7D)
The 320EX will function in any of the camera exposure
EF-S 18-55mm f/3.5-5.6 IS zoom. Do not use the 320EX in
modes listed below. The maximum shutter speed at which
24mm or longer lens
50mm or longer
the extended position at a focal length of 18mm or less, or
your camera can synchronize with the flash exposure is
(EOS 5D & 1Ds series)
the edges of the frame will be darker than the center.
represented by "1/x sec" (such as 1/200th second on EOS