Canon 270EX II User Manual

Key Features and Controls
QuickGuide to Canon 270EX II Speedlite Features
The purpose of this QuickGuide is to provide a concise review of how to operate the features and functions of the Canon 270EX II Speedlite. Unless otherwise noted, the following instructions require your Speedlite to be mounted to your camera’s hot shoe. This will allow your camera to communicate with the 270EX II and for you to make ash settings with the camera’s menu system.
Flash Control via the Camera Menus
Any control of the Speedlite 270EX II beyond simple automatic E-TTL exposure requires a camera body with External Flash Control Menu capability, such as the EOS 40D ~ 60D; Rebel XS/XSi, T1i, T2i, T3, T3i; EOS 7D, 5D Mark II, EOS-1D Mark III / Mark IV, and EOS-1Ds Mark III (as of mid-2011).
E-TTL II Auto Flash Set-up
For cameras with built-in ash:
1. Press the camera Menu button.
2. Select the rst Shooting Menu (rst camera icon on the left).
3. Select [Flash control] or [External Speedlite control].
4. Select [External ash func. setting]. Press Set.
5. Set [Flash mode] to [E-TTL II]
This step is not necessary for cameras that have no built-in ash. It is also not necessary if you have not previously changed the default ash settings on your camera.
Flash head – Emits ash and AF-assist beam Wireless sensor – Senses triggering and
control signals from master ash unit Remote control transmitter – Emits signal
for remote triggering of compatible cameras Bounce angle index marks – Has marks for
60º, 75º, and 90º
Camera Exposure Mode Settings
The 270EX II will function in any of the camera exposure modes below. The maximum speed at which your camera can synchronize with the ash exposure is represented by “1/x sec” (such as 1/200 with EOS Rebel models).
Mode Shutter speed Aperture
Full Auto, P,
A-DEP
TV Set manually (1/x sec. – 30 sec.) Automatic
AV Set automatically (1/x sec. – 30 sec.) Manual
M Set manually (1/x sec. – 30 sec., Bulb) Manual
Set automatically (1/x sec. – 1/60 sec.) Automatic
The mode you choose will depend mainly on the balance you prefer between the ash exposure and the ambient light exposure. Longer shutter speeds will allow longer ambient light exposures to help prevent dark backgrounds; however, long exposures also risk blur from subject or camera motion. Smaller apertures provide more depth­of-eld but require more ash power and reduce the maximum ash range.
Flash ready light Power switch
OFF: Turns off power SLAVE: Activates wireless slave mode ON: Turns on power
Remote release button – Allows remote triggering
of EOS Digital Rebel, Rebel XT, XTi, XSi, T1i, T2i, T3i,
EOS 7D, and 5D Mark II (as of mid-2011)
Flash Coverage
The ash head can be manually extended or retracted to better match the ash coverage to the camera and lens in use. Refer to the table below for recommended settings.
Camera type Head Normal Head Extended
APS-C size sensor (Rebel series, 60D,
7D)
Full-frame sensor
(EOS 5D & 1Ds
series)
17mm or longer lens 32mm or longer
lens
28mm or longer lens 50mm or longer
lens
E-TTL II Flash Range
The ash range will vary depending on the ISO, the angle of coverage, and the maximum aperture of your lens. If you see a blinking <> icon in your viewnder then your subject is too far away. You should either move closer or increase the ISO. Do not use the 270EX II in the extended position with lenses that have a focal length of 30mm or less, otherwise the edges of the frame will be noticeably darker than the center.
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E-TTL II Flash Range with 18-55mm EF-S f/3.5-5.6 IS Zoom
ISO Normal Position Extended Position
18mm 55mm 18mm 55mm
100 1 – 6.3 m
3.3 – 20.6 ft
200 1 – 8.9 m
3.3 – 29.1 ft
400 1 – 12.6 m
3.3 – 41.1 ft
800 1 – 17.7 m
3.3 – 58.0 ft
1600 1.5 – 25.1 m
4.9 – 82.6 ft
Wireless E-TTL Flash Operation
1 – 3.8 m
3.3 – 12.9 ft
1 – 5.5 m
3.3 – 18.2 ft
1 – 7.9 m
3.3 – 25.7 ft
1 – 11.1 m
3.3 – 36.3 ft
1 – 15.7 m
3.3 – 51.6 ft
1 – 4.8 m
1 – 6.8 m
1 – 9.6 m
1 – 13.6 m
1 – 19.3 m
To trigger camera only
The “Slave” function allows the ash to be triggered wirelessly when used off-camera with an EOS DSLR or Speedlite with master ash function. The slave ash must be positioned off-camera and must be within a range of 33 feet (10 meters) from the master ash unit.
You can use the 270EX II regardless of the transmission channel (1 to 4) on the master unit. The slave ID is set to group A and cannot be changed to group B or C.
1. Set the camera, ST-E2 transmitter or 580EX II
Speedlite as the master unit.
2. Set the 270EX II as the slave unit by moving the
power switch to <SLAVE>.
3. Attach the 270EX II to the mini-stand provided with the
ash case and position the ash. When outdoors you must have the wireless sensor aimed directly toward the master unit. When indoors the sensor will react to reections from nearby walls.
4. Release the shutter.
Wireless Shutter Release
The ash release function uses the 270 EX II’s built-in infrared transmitter to remotely re compatible cameras*
1. Set the camera* to its remote control shooting mode.
2. Set the 270EX II power switch to <ON>
3. Point the remote control transmitter on the front of the 270EX II toward the camera, then press the remote release button. The shutter will release two seconds later. The 270EX II will not re.
To trigger camera* + wireless ash:
1. A wireless E-TTL "master" ash or ST-E2 transmitter must be mounted and active.
with a 2-second delay. You can choose whether to use the 270EX II as a wireless trigger alone or whether to also use it as a wirelessly triggered slave ash.
2. Set the 270EX II power switch to <SLAVE>.
3. Set the camera* to Remote/Self-Timer mode.
3.3 – 15.9 ft
3.3 – 22.5 ft
3.3 – 31.8 ft
3.3 – 45.0 ft
3.3 – 63.6 ft
4. Point the remote control transmitter on the front of the 270EX II toward the front of the camera, then press the remote release button. The camera will re two seconds later, which allows time to reposition the 270EX II to illuminate the subject. The on-camera master ash will trigger the 270EX II you’re holding to re during exposure.
*Currently available only on EOS Digital Rebel, Rebel XT, XTi, XSi, T1i, T2i, T3i, EOS 7D, and 5D Mark II.
Auto Power Off
The 270EX II will automatically shut off after 90 seconds of idle use to save battery power. Press the camera’s shutter button to turn the unit on again. Cancel the auto power off function when using the 270EX II as a wireless slave by pressing the [] button on your camera.
AF-Assist Beam
To facilitate autofocus for dark scenes, the 270EX II may re repeatedly when you press the camera’s shutter button halfway. Its maximum AF-Assist range is approximately 4 m/13.1 ft., depending on the ISO setting and maximum aperture of your lens.
Modeling Flash
Pressing the camera’s depth-of-eld button will re the ash continuously for 1 sec. This enables you to preview lighting effects on the subject. It is most useful when the ash is positioned off-camera.
Do not re the modeling ash more than 10 consecutive times. If you re the modeling ash 10
consecutive times, allow the Speedlite to rest for at least 10 min. to avoid overheating and damaging the ash head.
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