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Canon lens EF 800mm f56L IS USM User Manual

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    9. Tips on Using the Image Stabilizer
    The image stabilizer in this lens is effective for hand-held shots or when using a monopod under the
    following conditions.
    ● MODE 1 ●MODE 2
    •In moderately dark areas such as evening
    • In locations where flash photography is
    prohibited such as live performances in
    • In situations where your footing is uncertain.
    •I n situations where fast shutter settings cannot
    be used. •
    When panning subjects in motion.
    Tips on Using the Image Stabilizer
    •The Image Stabilizer cannot compensate for a
    blurred shot caused by a subject that moved.
    • Set the STABILIZER switch to  when you
    are taking pictures using the Bulb setting (long
    exposures). If the STABILIZER switch is set to
    , the image stabilizer function may introduce
    • The Image Stabilizer might not be fully effective
    in the following cases:
    •Y ou shoot while riding on a bumpy road.
    •Y ou move the camera dramatically for a
    panning shot in Mode 1.
    •Y ou shoot using techniques other than
    f ollowing shots in Mode 2.
    • The Image Stabilizer consumes more power
    than normal shooting, so fewer shots can be
    taken if you use the function.
    • The image stabilizer operates for about two
    seconds even when your finger is off the shutter
    button. Do not remove the lens while the
    stabilizer is in operation. This will cause a
    •W ith the EOS-1V/HS, 3, ELAN 7E/ELAN
    7/30/33, ELAN 7NE/ELAN 7N/30V/33V, ELAN
    II/ELAN II E/50/50E, REBEL2000/300, IX, and
    D30, the Image Stabilizer will not work during
    self-timer operation.• Using a tripod also stabilizes the image.
    However, depending on the kind of tripod and
    shooting conditions, sometimes it may be better
    to turn off the Image Stabilizer function.
    • The stabilizer is equally effective for hand-held
    photography and photography with a monopod.
    The image stabilizer function also operates when the
    lens is used with an Extension Tube EF12 ll or EF25 ll.
    • With Extender EF1.4X II/EF2X II attached to the
    lens, the Image Stabilizer will work with the
    following cameras:
    EOS-1Ds Mark III, EOS-1Ds Mark II, EOS-1Ds, EOS-1D Mark
    lll, EOS-1D Mark II N, EOS-1D Mark II, EOS-1D, EOS 40D,
    30D, 20D, 20Da, 10D, 5D, DIGITAL REBEL XSi/450D, DIGITAL
    D2000, D6000, EOS-1V/HS, EOS-1N/DP/HS/RS, 3, ELAN
    7E/ELAN 7/30/33, ELAN 7NE/ELAN 7N/30V/33V, ELAN
    REBEL 2000/300, REBEL Ti/300V, REBEL T2/300X, REBEL
    K2/3000V, IX, IX Lite/IX7, 3000/88, 5000/888
    •Pictures may look distorted after being taken depending
    on the camera, but this doesnt affect shooting.
    • If you set the camera’s Custom Function to
    change the assigned button to operate the AF,
    the Image Stabilizer will operate when you press
    the newly assigned AF button.
    10. Drop-In Filters
    The lens comes with the drop-in Gelatin Filter
    Holder 52 holding a glass filter. The holder
    accepts commercially-available gelatin filters.
    Removing and Installing
    To  remove the drop-in filter, press in the left and
    r ight lock buttons and pull the filter holder straight
    up out of the slot.
    To   install the drop-in filter, push the filter holder
    straight down into the slot until it clicks into place.
    • The filter holder can be installed facing either forwards
    or backwards.
    Using a Gelatin Filter
    Lift up the holder’s retaining frame
    Tr im the gelatin filter as shown in the figure,
    and mount it in the holder.
    Return the retaining frame to its closed
    Because the lens optics are designed to include a
    glass filter, you must always install the filter
    holder, even if no gelatin filter is fitted.
    The Drop-In Screw-Type Filter Holder 52 and
    Drop-In Circular Polarizing Filter PL-C52 are also
    av ailable (Sold separately).
    11. Extenders (Sold separately)
    •With Extender EF1.4X II attached to the lens, only manual focus is possible. However, with
    the EOS-1Ds Mark III, EOS-1Ds Mark ll, EOS-1Ds, EOS-1D Mark lll, EOS-1D Mark ll N,
    EOS-1D Mark ll, EOS-1D, EOS-1V/HS, EOS-3 camera, autofocusing with the center focusing
    point is possible.
    • With Extender EF2X II attached to the lens, only manual focus is possible.
    • First attach the Extender to the lens, then attach the lens to the camera. Detach it from the
    camera in the reverse order. If you attach the lens to the camera first, misoperation may
    • Only one Extender can be attached to the lens and camera.
    • If you use an Extender on the lens mounted on a EOS A2/A2E/5, set the exposure
    compensation to -1/2 stop for the EF1.4X II or -1 stop for the EF2X II.
    With Extender EF1.4X ll or EF2X ll attached, the lens specifications wil\
    l change as follows:
    When an Extender is attached, the AF speed will become slower by design to retain proper AF
    Item With EF1.4X ll Extender With EF2X ll Extender
    Focal length (mm) 1120 1600
    Aperturef/8 – 45 f/11 – 64
    Diagonal2°10’ 1°30’
    Angle of view Vertical 1°10’ 50’
    Horizontal1°50’ 1°20’
    Maximum magnification (
    ×) 0.2 0.28
    Distance (mm)
    Near Far Near Far
    EF12 II 5466 51418 0.16 ×0.02×
    EF25 II 4982 24356 0.19 ×0.04×
    14. Case
    Ke yhole
    Lever Lid
    ou can attach Extension Tube EF12 II or EF25
    II for magnified shots. The shooting distance and
    magnification are shown below.
    12.Extension Tubes (Sold separately)
    Manual focusing is recommended for accurate
    f ocusing.
    When putting the lens into its case, follow the
    procedure below.
    Attach the hood in reverse direction, then attach the lens
    cap. Keep the hood locking knob facing the direction
    opposite the tripod mount as shown in the left figure.
    P osition the tripod mount straight upwards and lay
    the lens into the case as shown in the right figure.
    Secure the lens with the belt.
    Press the lever while holding the lid from the
    top, and lock it.
    13.Using the Tripod Mount
    Adjusting the Revolving Mount
    Y ou can loosen the orientation lock-knob on the
    tripod mount to allow it to rotate as needed to fit
    a particular camera model for switching between
    ver tical and horizontal positions.
    •The lens length is measured from the mount surface to the front end of the lens. Add 26.5 mm when including the
    lens cap and dust cap.
    • The size and weight listed are for the lens only, except as indicated.
    • Closeup Lenses 250D/500D cannot be attached.
    • Aperture settings are specified on the camera.
    • All data listed is measured according to Canon standards.
    • Product specifications and appearance are subject to change without notice.
    Focal Length/Aperture 800 mm f/5.6Lens Construction14 groups, 18 elementsMinimum Aperturef/32Angle of ViewDiagonal: 3°5’ Vertical: 1°40’ Horizontal: 2°35’Min. Focusing Distance6 m/19.7 ft.Max. Magnification 0.14 × Field of View approx. 171 ×256 mm/6.7 × 10.1 inch(at 6 m)Filter Drop-in 52-seriesMax. Diameter and Length163 ×461 mm/6.4 × 18.1 inchWeight  4500 g/158.7 oz.Hood ET-155Lens CapE-180D
    Case Lens Case 800
    							©CANON INC. 2008
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