Wireless Flash Photography - Canon EOS Rebel T2i Brochure

Wireless Flash Photography

Canon's EX series Speedlites have made multiple-flash photography simple, wireless
and automatic. Using the Speedlite 580EX II, Macro Speedlite MR-14EX, Macro Twin
Lite MT-24EX, or the Speedlite Transmitter ST-E2 as a master unit, wireless signals
are transmitted to an unlimited number of Speedlites 580EX II or 430EX II, creating
myriad possibilities for lighting, no matter the location. For the ultimate convenience,
both the EOS 7D and EOS 60D have an Integrated Speedlite Transmitter, which has
the transmitting features of the Speedlite 580EX II, allowing users to wirelessly
control EX series Speedlites and doing away with the need for an external master unit.
Bounce
Bounce Bounce
(A)
Camera Camera
with Master (A) with Master (A)
1. Set up the main flash unit – To 2. Add an auxiliary flash unit –
prevent the strong shadows a direct Remaining shadows were weakened by
flash would produce, the main flash bouncing an auxiliary flash (A) off another
was bounced off a wall near the wall to hit the subjects from a direction
camera to soften the lighting. opposite that of the main flash unit.
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(B)
(B)
Camera
with Master (A)
A:B=1:2
Bounce
Sample Photo Analysis – Three flash units provided illumi-
nation. The light from the master flash unit (A), a Speedlite
580EX II mounted on the camera, was bounced off the wall
to soften its intensity before reaching the two violin makers.
A slave 580EX II (B) was set far enough away on a desk to
be pointed directly at the statue, and another 580EX II (B)
was used to light up the overall office. Based on the results
displayed on the camera's LCD monitor, the brightness of
the master flash unit was halved to achieve natural lighting.
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. The Speedlite slave units
can be assigned to group A, B, or C, with output
ratio between groups A and B adjustable from
8:1 to 1:1 or 1:1 to 1:8. The output of the group C
can be adjusted through flash exposure compen-
sation. Superb lighting is simple thanks to the
E-TTL/E-TTL II autoflash system which controls the
total flash output to ensure consistently correct
exposure. Both the EOS 7D and EOS 60D, with
their Integrated Speedlite Transmitters, can control
and trigger external Speedlites wirelessly through
their built-in pop up flash. The EOS 60D can wire-
lessly control the ratio between A and B groups,
along with the built-in unit's own output, while the
EOS 7D can control A, B, and C groups. Both
cameras also feature a modeling flash feature for
previewing the output of your external Speedlites,
Bounce
available by pressing the depth of field button. Even
(B)
with multiple Speedlites, the modeling flash fires
according to the ratios you have set. E-TTL/E-TTL II
Bounce
Bounce
(A) wireless autoflash also supports most other
Speedlite features, such as FE Lock, FP Flash,
Camera
with Master (A)
Flash Exposure Bracketing/Compensation, and
3. Add another auxiliary flash unit – To
Stroboscopic Flash. Finally, for macro shooting,
improve gradation and contrast, another
auxiliary flash unit (B) was set up behind the Macro Ring Lite MR-14EX and Macro Twin Lite
the subjects. Its light was bounced off the
MT-24EX can be used as master units as well.
back wall to accent key details of the image.
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 Speedlites for
professional use.
Speedlites
Speedlite 580EX II Speedlite 430EX II
• Auto conversion of flash coverage with • Superb build quality, including a metal foot
compatible EOS digital SLR cameras.* for added strength.
• Superb evenness of exposure, center to • Approx. 20% faster recycle time, compared to
corner of frame. previous 430EX.
• Higher max. Guide No. at 105mm setting (190 • One-touch quick-lock mechanism for easy
ft./58m at ISO 100). attaching/detaching flash from camera.
• Auto conversion of flash coverage with • Full flash control possible on camera menu, with
compatible EOS digital SLR cameras.* compatible EOS digital SLR cameras.
• White Balance info communicated instantly to • Virtually silent flash recycle.
compatible EOS digital SLR cameras.*
• Full 180˚ swivel in either direction.
• Full swivel, 180˚ in either direction.
• Zoom flash head covers range of 24–105mm;
• AF-assist beam compatible with all AF points max. Guide No. 141 ft./43m at ISO 100.
on every EOS SLR.
• Dust- and water-resistance to match the
EOS-1Ds Mark III.
Speedlite 270EX II Speedlite 220EX
• Ultra-compact, ultra-lightweight flash unit. • Smallest EOS Speedlite, with full E-TTL
compatibility.
• Vertical bounce capability up to 90 degrees.
• Covers lenses as wide as 28mm (full-frame
• Flash release function allows wireless shutter
cameras) or 17mm (APS-C size sensors).
release from the flash with a 2-second delay for
flash repositioning. • Hot-shoe lock with a single motion.
• Slave function allows the flash to be triggered • Flash confirmation lamp (after firing).
wirelessly.
• Fast recycle time, and Save Energy (SE)
• Flash coverage can be switched between Normal feature.
and Tele settings.
• Max. Guide No. at Tele setting: 89 ft./27m at
ISO 100.
* Feature compatible with EOS-1Ds Mark III, 1D Mark IV, 1D Mark III, 1Ds Mark II, 1D Mark II
Rebel T3i, Rebel T2i, Rebel T3, Rebel T1i, Rebel XSi, Rebel XS, Digital Rebel XTi and Digital Rebel XT only
SPEEDLITES
Speedlite 320EX
• Built-in LED illuminates nearby subjects in
dim light – especially useful for video.
• Versatile vertical and horizontal bounce
capability.
• Flash release function allows wireless shutter
release from the flash with a 2-second delay for
flash repositioning.
• Wireless Slave function supports three groups
and four channels.
• Two flash coverage settings, selectable by
extending or retracting flash head.
• Max. Guide No. at Tele setting: 105 ft./32m at
ISO 100.
• Fast recycle time of approximately 2.0 seconds.
, 1D Mark II, 5D Mark II, 5D, 7D, 60D, 50D, 40D, 30D, 20D, 20Da,
n
(some earlier models require firmware upgrade).
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