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usa.canon.comeos
† Group firing mode is supported by EOS 5D Mark III and later camera models. In earlier camera models, all flashes will switch to E-TTL automatically and group control is reduced to 3 groups.
SPEEDLITE
Sophisticated Flash Control Modes
To help ensure accurate flash exposure, EOS
cameras and Speedlites use E-TTL and E-TTL II
flash exposure modes. In E-TTL (Evaluative
Through-The-Lens) metering, readings are taken
through the lens. After emitting a pre-flash, E-TTL
uses the camera’s evaluative metering sensor to
compare the ambient light values with the light
reflected from the subject by the pre-flash. The
camera then calculates and stores the flash
output required for optimum exposure of the main
subject. E-TTL II further incorporates distance
information from compatible EF lenses for more
versatile flash exposure control. It even helps
minimize underexposure that can occur with
straight reflections by ignoring sensor areas that
report abnormally high levels.
Extensive Flash Control
Flash controls include FE Lock, which adds Auto
Exposure lock and Spot metering functions. The
Speedlite’s pre-flash fires when the camera’s AE
Lock button is depressed, providing enough time to
both recompose the shot and alter the ambient
light exposure for maximum creative control. With
FP (focal-plane) flash, or High-speed Sync, the flash
can sync at shutter speeds faster than the camera’s
normal maximum sync speed. Even in bright
daylight, for example, a fast lens can be used at a
wide aperture to reduce depth of field and
emphasize the subject. Flash Exposure
Compensation adjusts flash output without
changing the shutter speed or aperture. It’s
effective at fine-tuning the balance between
foreground and background exposure for fill flash
shots, and can help compensate for extremely
bright or dark tones in the subject.
Creative Flash Control
Select Speedlites offer additional creative control
of flash operations for creative and special effects.
Instead of firing the instant the shutter opens,
Second-Curtain Sync fires the flash at the end of
Integral to the EOS System, Canon Speedlite flashes are ideal flash sources for EOS cameras.
They are technologically advanced to provide accurate exposure and illumination with just about
any subject, yet are easy to operate, and can be used in conjunction with one another to create
sophisticated wireless lighting setups with ease. Speedlite flashes, working with EOS cameras,
can make it easy to for even novice photographers to obtain impressive results with ease.
the exposure, allowing streaks of light to flow
naturally behind a moving subject. Stroboscopic
flash is a series of flashes fired in rapid succession
during a single exposure. With stroboscopic flash,
multiple images of a moving subject appear in the
photograph, helping to record high-speed action.
Flash release enables photographers to release the
camera shutter from the remote flash wirelessly
with a 2-second delay. This feature makes it
possible to reposition the flash with complete
freedom – even out of the camera’s line-of-sight
and at some distance from the camera.
Wireless Radio Control
For sophisticated wireless flash setups, Canon’s
Speedlite flashes and transmitters represent the
next generation in wireless flash systems. In addition
to traditional optical wireless transmission, they
facilitate radio controlled, two-way wireless
transmission up to 100 feet, among up to five groups
or 15 individual Speedlite flashes. Communicating on
2.4 GHz frequencies for radio transmission, radio
controlled flash systems do not have the same
directional limitations of traditional wireless optical
transmitters. Where other wireless systems’ signals
can be interrupted with physical obstacles, radio
controlled systems excel. To avoid interference
with other equipment on the same frequency,
15 transmission channels are available, selectable
manually or automatically, and radio transmission
IDs can be set to prevent misfiring in the event of
signal interference on the same channel. With
diverse flash metering options, and a number of
flash modes all accessible from the menu and quick
control screens of select EOS cameras, Speedlite
flashes and transmitters make complex lighting
setups simple. With compact, weather sealed and
reliable designs, combined with improved information
panels and controls, they are indispensable, eminently
adaptable tools for advanced, professional flash
photography. For further ease of use, a linked
shooting function releases the camera that has the
Speedlite or transmitter set as the master unit
and release up to 15 cameras with the Speedlite or
transmitter set as slave units.
SPEEDLITE
TECHNOLOGY
E-TTL/E-TTL II Wireless Autoflash Control
Up to three groups (for main, fill and background)
of slave units can be set up for comprehensive
control of flash lighting. Superb lighting is simple
thanks to the E-TTL/E-TTL II autoflash system
which controls and allows adjustment of the total
flash output to ensure consistently correct
exposure. Select EOS DSLR cameras with
Integrated Speedlite Transmitters can control and
trigger external Speedlites wirelessly through
their built-in pop-up flash. The EOS 7D Mark II
camera also includes a modeling flash feature for
previewing the output of external Speedlite
flashes. E-TTL/E-TTL II wireless autoflash also
supports other Speedlite flash features including
FE Lock, FP Flash, Flash Exposure Bracketing/
Compensation and Stroboscopic Flash. Finally, for
macro shooting, Macro Lites can be used as
master units as well.
Speedlite 430EX III-RT
• Compact body for space efficiency and style.
• Zoom flash head covers a range of 24–105mm; maximum guide number
141 ft./43m at ISO 100.
• Convenient controls including built-in Catchlight Panel, Dot-matrix LCD
and Control Dial.
• Can move 0–90°, 150° to the left and 180° to the right.
• Wireless flash shooting support available for both radio and optical
transmission.
• Shortened recycling time and quick firing from 0.1–2.5 seconds per flash.
• Accessory options include color filter and new bounce adapter.
Speedlite 600EX II-RT
• Zoom flash head covers range of 20–200mm; maximum Guide Number
197 ft./60m at ISO 100.
• Improved performance of continuous flash.
• Wireless flash shooting support available for both radio and optical
transmission.
• Multiple flash system with control of up to five groups of flashes.
• Dust- and water-resistant body.
• New flash-readiness indicator on display panel, button and dial operation
and manual flash output.
• New accessories including bounce adapter, color filter sets and a soft case.
Speedlite 270EX II
• Ultra-compact, ultra-lightweight flash unit.
• Vertical bounce capability up to 90 degrees.
• Flash release function allows wireless shutter release from the flash
with a 2-second delay for flash repositioning.
• Slave function allows the flash to be triggered wirelessly.
• Flash coverage can be switched between Normal and Tele settings.
• Max. Guide No. at Tele setting: 89 ft./27m at ISO 100.
Amazing Flash System
Canon offers a full range of Speedlite flash units compatible with EOS
System cameras for a wide variety of applications and photographers’
needs. They range from simple, economical flashes to high-power, highly
advanced Speedlite flashes for professional use.
SPEEDLITE FLASHES
© Roberto Valenzuela, Canon Explorer of Light
Group Firing
†
– Set different flash modes for each group (A, B,
C, D and E) and perform multiple wireless flash shooting. Two or
more units can be set as the same group.
Linked shooting function – Releases the camera that has the
Speedlite 600EX II-RT, Speedlite 600EX-RT, Speedlite 430EX III-RT
or Speedlite Transmitter ST-E3-RT set as the master unit and release
up to 15 cameras with the Speedlite or transmitter set as slave units.
A
B
C
E
D
ETTL II
Manual flash
ETTL II
Transmission distance
Approx. 98.4 ft. (30m)
Manual flash
Auto external metering
Ceiling
Master unit
camera
Transmission
distance
Approx. 98.4 ft.
(30m)
Fig-06_R_Linked_shooting_E.eps
Fig-04_R_Group_flash_example.eps
A
B
C
E
D
ETTL II
Manual flash
ETTL II
Transmission distance
Approx. 98.4 ft. (30m)
Manual flash
Auto external metering
Ceiling
Master unit
camera
Transmission
distance
Approx. 98.4 ft.
(30m)
Fig-06_R_Linked_shooting_E.eps
Fig-04_R_Group_flash_example.eps
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