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Canon lens EF 24105mm f4L IS USM User Manual

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    							EF24-105mm f/4L IS USM
    Thank you for purchasing a Canon product.
    The Canon EF24-105mm f/4L IS USM lens is a
    high-performance standard zoom lens
    developed for EOS cameras. It is equipped
    with an Image Stabilizer, and covers a wide
    range of focal lengths from wide angle to
    ¡“IS” stands for Image Stabilizer.
    ¡“USM” stands for Ultrasonic Motor.Features
    1. The Image Stabilizer gives the equivalenteffect of a shutter speed three stops faster.*
    2. Aspheric and super UD lens elements for excellent imaging performance.
    3. Ultrasonic motor (USM) for quick and quiet autofocusing.
    4. Manual focusing is available after the subject comes into focus in autofocus mode (ONE
    SHOT AF).
    5. A truly round aperture hole results in a nicer background blur.
    6. Tight seal structure ensures excellent dust- proof and drip-proof performance.
    *Based on [1/focal length] second. Generally, it requires
    a shutter speed [1/focal length] second or faster to
    prevent camera shake.Conventions used in this instruction
    War ning to prevent lens or camera
    malfunction or damage.
    Supplementary notes on using the lens
    and taking pictures.
    aSafety Precautions
    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.
    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 for 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
    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
    This Class B digital apparatus complies with Canadian ICES-003.
    Distance scale (→ 8)Infrared index (→ 8)
    Contacts (→ 4)
    Focus mode switch (→ 5)
    Image stabilizer switch ( → 6)
    Hood mount (→ 9)
    Lens mount index (→ 4)
    Filter mounting 
    thread (→ 10)
    Zoom ring (→ 5)
    Focusing ring (→ 5) Zoom position index
    (→ 5)
    or detailed information, reference page numbers are provided in parentheses (→  **).
    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.
    1.Mounting and Detaching the LensThe lens mount has a rubber ring for enhanced
    w ater- and dust-resistance. The rubber ring may
    cause slight abrasions around the cameras lens
    mount, but this will not cause any problems. If the
    rub ber ring becomes worn, it is replaceable by a
    Canon Service Center at cost.
    2.Setting the Focus Mode3. Zooming
    After autofocusing in ONE SHOT AF mode, focus
    manually by pressing the shutter button halfway
    and turning the focusing ring. (Full-time manual
    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.To  z oom, turn the lens’ zoom ring.
    Be sure to finish zooming before focusing.
    Changing the zoom ring after focusing can affect
    the focus.
    4. Image Stabilizer
    You can use the image stabilizer in AF or MF mode.
    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 stages.
    ¡ In situations where your footing is
    ¡ In situations where fast shutter
    settings cannot be used.
    1Set the STABILIZER
    switch to  .
    ¡If you are not going to
    use the image stabilizer
    function, set the switch to .
    2When you press the
    shutter button halfway,
    the Image Stabilizer
    will start operating.
    ¡Make sure the image inthe viewfinder is stable,
    then press the shutter
    bu tton the rest of the way
    down to take the picture.
    Image Stabilizer
    ¡When you use a tripod, the ImageStabilizer should be turned off to save
    battery power.
    ¡The stabilizer is equally effective for hand- held photography and photography with a
    ¡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 shooting.
    If you set the camera’s Custom Function to
    change the assigned button to operate the
    AF, the Image Stabilizer will operate when
    y ou press the newly assigned AF button.
    ¡The Image Stabilizer cannot compensate
    for a blurred shot caused by a subject that
    ¡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:
    • You move the camera for a panned shot.
    • You shoot while riding on a bumpy road.
    ¡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 malfunction.¡With the EOS-1V/HS, 3, 30/33/Elan7/7E,30V/33V/Elan7N/7NE, Elan ll/Elan ll
    E/50/50 E, 300/Rebel2000, IX, and D30,
    the Image Stabilizer will not work during
    self-timer operation.
    5.Infinity Compensation Mark
    To  compensate for shifting of the infinity focus
    point that results from changes in temperature.
    The infinity position at normal temperature is the
    point at which the vertical line of the L mark is
    aligned with the distance indicator on the
    distance scale.
    F or accurate manual focusing on subjects at
    infinity distance, look through the viewfinder while
    rotating the focusing ring.
    The infrared index corrects the focus setting
    when using monochrome infrared film. Focus on
    the subject manually, then adjust the distance
    setting by moving the focusing ring to the
    corresponding infrared index mark.
    6. Infrared Index
    Some EOS cameras cannot use infrared film. See
    the instructions for your EOS camera.
    ¡The infrared index position is based on a wav elength of 800 nm.
    The compensation amount differs depending on the focal length. Use the indicated focal length as
    a guide when setting the compensation amount.
    ¡Be sure to observe the manufacturer’s instructions when using infrared film.
    ¡Use a red filter also when you take the picture.
    Infinity compensation mark
    Distance index
    The EW-83H hood can keep unwanted light out of the lens, and also protects the lens from rain,
    snow, and dust.
    To  attach the hood, align the hood’s attachment position mark with the red dot on the front of the
    lens, then turn the hood as shown by the arrow until the lens red dot is aligned with the hoods stop
    position mark.
    The hood can be reverse-mounted on the lens for storage.
    ¡Pa rt 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.
    7. Hood
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