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Canon lens EF 70300mm f4556 DO IS USM User Manual

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    							EF70-300mm f/4.5-5.6 DO IS USM
    The Canon EF70-300mm f/4.5-5.6 DO IS USM
    is a high-performance, compact telephoto
    zoom lens for Canon EOS cameras, equipped
    with DO (diffractive optics) lens elements and
    an Image Stabilizer.
    Innovative DO optical elements combine the
    benefits of fluoride elements and aspheric
    elements, and contribute to achieving high
    quality and compactness.
    • DO stands for Diffractive Optics.
    • IS stands for Image Stabilizer.
    • USM stands for Ultrasonic Motor.
    1. DO elements adjust for chromatic aberrations
    that tend to occur with telephoto zoom lenses,
    and contribute to achieving an innovative
    compactness with outstanding image quality.
    2. The Image Stabilizer gives the equivalent effect of a shutter speed three stops faster*.
    3. The zoom ring can be fixed to keep the lens at the shortest point.
    4. Ultrasonic motor (USM) for quick and quiet autofocusing.
    5. Manual focusing is available after the subject comes into focus in autofocus mode (ONE
    SHOT AF).
    6. A truly round aperture hole results in a nicer background blur.
    *Based on [1/focal length] second. Generally, it requires
    a shutter speed [1/focal length] second or faster to
    prevent camera shake.
    Thank you for purchasing a Canon product.
    Conventions used in this instruction
    War ning to prevent lens or camera malfunction
    or damage.
    Supplementary notes on using the lens and
    taking pictures.
    This device complies with Part 15 of the FCC Rules. Operation is
    subject to the following two conditions: (1) This device may not
    cause harmful interference, and (2) this device must accept any
    interference received, including interference that may cause
    undesired operation.
    Do not make any changes or modifications to the equipment
    unless otherwise specified in the instructions. If such changes or
    modifications should be made, you could be required to stop
    operation of the equipment.
    This equipment has been tested and found to comply with the limits
    f or a class B digital device, pursuant to part 15 of the FCC Rules.
    These limits are designed to provide reasonable protection against
    harmful interference in a residential installation. This equipment
    generates, uses and can radiate radio frequency energy and, if not
    installed and used in accordance with the instructions, may cause
    harmful interference to radio communications.
    However, there is no guarantee that interference will not occur in a
    particular installation. If this equipment does cause harmful
    interference to radio or television reception, which can be determined
    by  turning the equipment off and on, the user is encouraged to try to
    correct the interference by one or more of the following measures:
    • Reorient or relocate the receiving antenna.
    • Increase the separation between the equipment and receiver.
    •Consult the dealer or an experienced radio/TV technician for help.
    This Class B digital apparatus complies with Canadian ICES-003.
    a Safety Precautions
    a Shooting Precautions
    If a very bright spotlight like a mercury lamp is
    photographed in a dark place with this lens, a halo
    of light may occasionally appear around the light
    source because of the DO elements.
    aSafety Precautions•Do not look at the sun or a bright light source
    through the lens or camera. Doing so could result
    in loss of vision. Looking at the sun directly through
    the lens is especially hazardous.
    • Whether it is attached to the camera or not, do
    not leave the lens under the sun without the
    lens cap attached. This is to prevent the lens from
    concentrating the sun’s rays, which could cause a
    Handling Cautions• If the lens is taken from a cold environment into
    a warm one, condensation may develop on the
    lens surface and internal parts. To  prevent
    condensation in this case, first put the lens into an
    airtight plastic bag before taking it from a cold to
    wa rm  environment. Then take out the lens after it
    has warmed gradually. Do the same when taking
    the lens from a warm environment into a cold one.
    • Do not leave the lens in excessive heat such as in
    a car in direct sunlight. High temperatures can
    cause the lens to malfunction.
    Hood mount (→ 5)Filter mounting
    thread (→ 11)
    Focusing ring (→ 4)
    Image stabilizer switch (→ 7)
    Image stabilizer 
    mode selector switch (→ 7) Zoom ring lock lever (→ 6)
    Focus mode switch (→ 4)
    Distance scale (→ 10)
    Zoom ring (→ 5)
    Contacts (→ 4)
    Lens mount index (→ 4)
    or detailed information, reference page numbers are provided in parentheses ( →**).
    1. Mounting andDetaching the Lens2. Setting the Focus Mode
    See your camera’s instructions for details on
    mounting and detaching the lens.
    •After detaching the lens, place the lens with the
    rear end up to prevent the lens surface and
    electrical contacts from getting scratched.
    • If the contacts get soiled, scratched, or have
    fingerprints on them, corrosion or faulty
    connections can result. The camera and lens
    may not operate properly.
    • If the contacts get soiled or have fingerprints on
    them, clean them with a soft cloth.
    • If you remove the lens, cover it with the dust
    cap. To attach it properly, align the lens mount
    index and the 
    Kindex of the dust cap as shown
    in the diagram, and turn clockwise. To remove it,
    reverse the order.
    To   shoot in autofocus (AF) mode, set the focus
    mode switch to AF.
    To   use only manual focusing (MF), set the focus
    mode switch to MF, and focus by turning the
    f ocusing ring. The focusing ring always works,
    regardless of the focus mode.
    After autofocusing in ONE SHOT AF mode, focus
    manually by pressing the shutter button halfway
    and turning the focusing ring. (Full-time manual
    f ocus)
    3. Zooming
    To   zoom, turn the zoom ring.
    Be sure to finish zooming before focusing.
    Zooming after focusing can affect the focus.
    4. Hood
    The ET-65B hood can keep unwanted light out of
    the lens, and also protects the front of the lens
    from rain, snow, and dust.
    Attach and align the hood to the hood mount on
    the front of the lens, and turn the hood as shown
    by the arrow to secure it.
    The hood can be reverse-mounted on the lens
    f or storage.
    •P art of the picture may be blocked if the hood is
    not attached properly.
    • When attaching or detaching the hood, grasp
    the base of the hood to turn it. To prevent
    deformation, do not grasp the rim of the hood to
    turn it.
    The zoom ring can be fixed to keep the lens at the shortest point. This function is convenient for
    carrying a camera on a strap because it prevents the lens from extending.
    5. Fixing the Zoom Ring
    Slide the zoom ring lock
    lever in the direction
    indicated by the arrow.
    o release the zoom ring, slide
    the zoom ring lock lever in the
    direction opposite to the arrow.
    Tu rn  the zoom ring to the
    widest position (70mm).
    The zoom ring can only be locked at maximum wide angle.
    ou can use the image stabilizer in AF or MF mode.
    6. Image Stabilizer Settings
    Select the stabilizer mode.
    • MODE 1: Corrects vibrations
    in all directions. It is mainly
    effective for shooting still
    • MODE 2: It compensates for
    ver tical camera shake during
    f ollowing shots in a horizontal
    direction, and compensates for
    horizontal camera shake
    during following shots in a
    ver tical direction.
    When you press the shutter
    button halfway, the Image
    Stabilizer will start
    • Make sure the image in the
    viewfinder is stable, then press
    the shutter button the rest of
    the way down to take the
    Set the STABILIZER switch
    to .
    •If you are not going to use the
    image stabilizer function, set
    the switch to         .
    7. Tips on Using the Image Stabilizer
    ●MODE 1 ●MODE 2
    The image stabilizer in this lens is effective for hand-held shots under the following conditions.
    • In semi-darkened areas such as indoors or
    outdoors at night.
    • In locations where flash photography is
    prohibited, such as art museums and theater
    • 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
    e xposures). If the STABILIZER switch is set to ,
    the image stabilizer function may introduce errors.
    • 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
    bu tton. Do not remove the lens while the stabilizer
    is in operation. This will cause a malfunction
    •W ith the EOS-1V/HS, 3, ELAN 7E/ELAN
    7/30/33, ELAN 7NE/ELAN 7N/30V/33V, ELAN
    II/ELAN IIE/50/50E, REBEL 2000/300, IX, and
    D30, the Image Stabilizer will not work during
    self-timer operation.
    • When you use a tripod, the Image Stabilizer
    should be turned off to save battery power.
    • 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.
    • Pictures may look distorted after being taken
    depending on the camera, but this doesnt affect
    • 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.
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