Canon Eos 3 Owners Manual

Flash Photography
An EOS-dedicated EX-series or EZ-series Speedlite makes flash
photography with the EOS-3 as easy as any AE mode. With an EX-series
Speedlite, E-TTL autoflash photography as well as wireless E-TTL multi-
flash photography is possible.
Speedlite 550EX will be used to describe the flash photography features
provided with the EOS-3. For details on Speedlite 550EX, see the
Instructions that come with it.
First set the < > switch to < >. If
necessary, also set the < > switch to
.
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 07....

1. Flash Photography with Speedlite 550EX
With Speedlite 550EX attached to the EOS-3, flash photography is as
easy as any AE mode. You can also use the following features:
(1) E-TTL Autoflash
With E-TTL autoflash (preflash evaluative
metering), optimum flash exposure can be
obtained for the subject in focus. In the
aperture-priority AE mode, a slow sync
speed is set automatically in low-light
situations to obtain a natural-looking,
balanced exposure between the subject and
background.
(2) High-Speed Sync...

Flash Photography with Speedlite 550EX
Full Auto Flash
Full Auto E-TTL autoflash used with the Program AE mode is described
here. For details on Speedlite 550EX operations, see the Instructions th\
at
came with it.Set the camera’s shooting mode to
P.
Check that the 550EX’s pilot lamp
is lit.
Focus the subject.
Make sure the flash-ready indicator is lit, check the shutter speed
and aperture, then take the picture.
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E-TTL Autoflash in Other Shooting Modes
Even in the  Tv, Av , and  Mmodes, E-TTL...

Flash Photography with Speedlite 550EX
High-Speed Sync (FP Flash)
When the Speedlite’s high-speed sync lamp ( ) is on, high-speed sync
(FP or focal-plane flash) is enabled automatically. The Speedlite can \
then
synchronize at all shutter speeds, even those faster than 1/200 sec.
When high-speed sync is enabled,  is displayed in the viewfinder to
indicate high-speed sync.
High-speed sync is effective in the following cases:
(1)When you want to use fill-in flash for a portrait and maintain
background blur...

Flash Photography with Speedlite 550EX
FE Lock
FE (flash exposure) lock obtains and locks the correct flash exposure
reading for the desired portion of the scene.Check that the Speedlite’s pilot
lamp is lit.
•The flash mode can be either normal or
high-speed sync. FE lock works with either
mode.
Focus the subject with AF or
manual focus.
Aim the spot metering circle over
the part where you want to lock the
flash exposure, then press the
  button. (
16 sec.)
•
The Speedlite fires a preflash and
calculates...

Custom Function CF-13 enables FE lock with the manually-selected or eye-\
selected focusing point. See page 118.
Flash Photography with Speedlite 550EX
•Below the viewfinder, the display shown in
1 appears for 0.5 sec. followed by the
display shown in  2.
Compose the shot and take the
picture.
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• If the subject is too far away resulting in underexposure, the  icon will blink. Get
closer to the subject and follow steps 3 and 4.
• When shooting more than one exposure of the same subject, FEL must be...

Flash Photography with Speedlite 550EX
Flash Exposure Compensation
When an EOS-dedicated Speedlite is used, you can set flash exposure
compensation with the camera up to ±3 stops in 1/3-stop increments.While pressing the < > button,
turn the < > dial to set the desired
flash exposure compensation
amount.
97
Release the < > button and the
normal display returns.
•
Press the shutter button halfway to display
the flash exposure compensation amount
on the viewfinder’s exposure level scale.
• Press the < >...

Flash Photography with Speedlite 550EX
FEB (Flash Exposure Bracketing)
Three successive flash shots can be bracketed automatically according to\
the bracketing amount set with Canon Speedlite 550EX. Without
changing the background exposure, you can bracket the flash exposure
for the subject up to ±3 stops in 1/3-stop increments.
•Flash exposure bracketing is set with the 550EX. For details, see the 55\
0EX’s Instructions.
• The flash exposure bracketing amount set with the 550EX can be displayed\
 in...

Flash Photography with Speedlite 550EX
Wireless Multi-Flash System
The Canon Speedlite 550EX has the following three features:
(1) E-TTL autoflash
(2) Slave unit
(3) Wireless master control of other slave-triggered 550EX units
By using the above features, you can set up a wireless E-TTL autoflash
system with up to three Speedlites. You can also set the flash output ra\
tio
between the Speedlites to create the desired flash lighting effect.
• For details, see the 550EX and ST-E2s Instructions.
Wireless...

2. Using Other EOS-Dedicated Speedlites
With an EOS-dedicated Speedlite other than the EX series, TTL autoflash
can be used as easily as normal AE modes. The flash exposure is
controlled by off-the-film flash metering linked to the focusing point.
(1)When you press the shutter button halfway, the shutter speed and
aperture are set automatically by the camera.
(2) When you press the shutter button completely, TTL autoflash meteri\
ng based on the aperture setting is used for the flash exposure.
(3) The...