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Canon Eos 3 Owners Manual

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    							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
    .
    91
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    							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 (FP Flash)High-speed sync (FP or focal-plane flash) enables flash synchronizatio\
    n with all shutter
    speeds from 30 sec. to 1/8000 sec.
    (3) FE (Flash Exposure) LockFE lock obtains and locks the correct flash exposure for any part of the\
     subject. This is the
    flash equivalent of AE lock.
    (4) Flash Exposure CompensationLike normal exposure compensation, flash exposure compensation can be us\
    ed to set the
    flash output up to ±3 stops in 1/3-stop increments.
    (5) FEB (Flash Exposure Bracketing)As with AEB (autoexposure bracketing), flash exposures can also be bra\
    cketed up to ±3
    stops in 1/3-stop increments.
    (6) Wireless Multi-flash E-TTLFor sophisticated lighting effects, multiple wireless Speedlites can be \
    used for E-TTL
    autoflash. All features (1) to (5) above can be used. The operation \
    is as simple as using a
    Speedlite directly attached to the camera.
    92
    E-TTL is an abbreviation for Evaluative-Through-The-Lens.
    •With autofocus, the flash exposure is always based on the aperture (set\
    automatically or manually) and autoflash metering is weighted at the cu\
    rrent
    focusing point.
    • When it is difficult to autofocus, the 550EX’s built-in AF-assist bea\
    m is emitted
    automatically. The beam is linked to the area AF.
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    							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.
    93
    E-TTL Autoflash in Other Shooting Modes
    Even in the  Tv, Av , and  Mmodes, E-TTL autoflash can be used as easily
    as without flash.
    (1) When you press the shutter button, the shutter speed and aperture
    are set by the camera as usual.
    (2) When you press the shutter button completely, preflash evaluative
    metering based on the aperture setting is used for the flash exposure.
    (3) The background exposure is set by the shutter speed and aperture
    combination.
    1
    2
    3
    4
    Mode Shutter Speed Setting Flash Aperture Setting
    Tv (Shutter speed-priority AE) Manual (30 sec. - 1/200 sec.) Auto
    Av (Aperture-priority AE) Auto (30 sec. - 1/200 sec.) Manual
    M (Manual) Manual (30 sec. - 1/200 sec.) Manual
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    							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 with a large aperture.
    (2) When you want to produce a catchlight in the subject’s eyes.
    (3) When you want to use fill-in flash to eliminate shadows
    With conventional flash. With FP flash.
    94
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    							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 the required flash output which
    is then stored in memory.
    • In the viewfinder, the focusing point linked
    to the FE lock flashes in red.
    95
    1
    2
    3
    Spot metering circle
     07. C836-E (91~)   28-01-2003  12:41  Pagina 95 
    						
    							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.
    964
    • 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 se\
    t
    again for each shot.
    CF
    1
    2
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    							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 < > button to display the flash
    exposure compensation amount on the
    LCD panel.
    • To cancel flash exposure compensation,
    set the flash exposure compensation
    amount to < >.
    1
    2
    Custom Function CF-6 enables the flash exposure compensation amount to b\
    e set
    in half-stop increments. See page 112.CF
    •On the LCD panel, the plus side of the
    scale indicates overexposure and the
    minus side indicates underexposure. The
    sample LCD panel on the left shows a
    flash exposure compensation amount of
    +2/3 stop.
    • The flash exposure compensation amount is retained even when the < > switch
    is set to < >.
    • The flash exposure compensation amount can also be set with certain Cano\
    n
    Speedlites. If flash exposure compensation is set with both the camera a\
    nd the
    Speedlite, the flash exposure compensation amount set with the Speedlite\
     will
    override the one set with the camera.
     07. C836-E (91~)   28-01-2003  12:41  Pagina 97 
    						
    							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 the camera’s
    viewfinder.
    • Before taking FEB pictures, be sure the Speedlite 550EX is ready. Single\
    -frame shooting is
    recommended.
    Modeling Flash
    By using modeling flash, you can see the shadows and other flash lightin\
    g
    effects produced by the flash or multiple flash units.
    98 Check the Speedlite and camera
    settings.
    Press the camera’s depth-of-field
    preview button.
    •
    The Canon Speedlite 550EX fires at 70 Hz
    for 1 second.
    Correct exposure. Underexposure (–1 stop). Overexposure (+1 stop).
    The flash exposure bracketing amount can also be set in half-stop increm\
    ents. See
    page 112.
    CF
    1
    2
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    							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 multi-flash system
    99
    Canon 
    Speedlite 
    Transmitter 
    ST-E2
    Canon Speedlite
    550EX Canon Speedlite
    550EX
     07. C836-E (91~)   28-01-2003  12:41  Pagina 99 
    						
    							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 background exposure is set by the shutter speed and aperture
    combination.
    100
    Mode Shutter Speed Setting Flash Aperture Setting
    P (Program AE) Auto (1/60 sec. - 1/200 sec.) Auto
    Tv (Shutter speed-priority AE) Manual (30 sec. - 1/200 sec.) Auto
    Av (Aperture-priority AE) Auto (30 sec. - 1/200 sec.) Manual
    M (Manual) Manual (30 sec. - 1/200 sec.) Manual
    • Flash exposure compensation can be set with the camera.
    • If the multi-flash system is wired with flash cords, TTL autoflash takes\
     effect.
    • Cover the main subject with the area AF ellipse.
    • Automatic Reduction of Flash Output
    If an EOS-dedicated Speedlite is used for a subject backlit by a top lig\
    ht, the flash
    output is reduced automatically to avoid having an unnatural-looking exp\
    osure.
    This is called automatic reduction of flash output.
    Custom Function CF-14 can prevent the automatic reduction of flash outpu\
    t. See
    page 118.CF
     07. C836-E (91~)   28-01-2003  12:41  Pagina 100 
    						
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