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Canon lens EF 180mm f35L Macro USM User Manual

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    							EF180mm f/3.5L MACRO USM
    The Canon EF180mm f/3.5L MACRO USM lens
    is a high-performance telephoto macro lens for
    EOS cameras that can be used for normal
    photography and close-up pictures up to 1:1, or
    life-size, magnification.
    • USM stands for Ultrasonic Motor.
    1. The floating system and UD element result in
    excellent delineation at all focusing distances
    from life-size to infinity.
    2. Ultrasonic motor (USM) for quick and quiet autofocusing.
    3. Manual focusing is available after the subject comes into focus in autofocus mode (ONE
    SHOT AF).
    4. A Canon macro flash makes it easy to take close-up pictures with a flash. The inner
    focusing mechanism enables AF photography
    while the macro flash is attached.
    5. The lens is compatible with Extender EF1.4X ll and EF2X ll.
    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.
    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.
    Hood mount (→ 5)Filter mounting
    thread (→ 11)
    Focusing ring (→ 4)
    Focusing distance range selection switch (→ 5) Focus mode switch (→ 4)
    Distance scale (→ 6)
    Contacts (→ 4)
    Tripod mount (→ 10)
    Lens mount index (→ 4)
    Orientation locking knob (→ 10)
    Distance index  (→ 6) Depth-of-Field scale  (→ 6)
    F 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 Lens2.Setting 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)
    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.
    ou can set the focusing distance range to 
    0.48 m/1.6 ft. to infinity or 1.5 m/4.9 ft. to infinity.
    By setting the suitable focusing distance range,
    the actual autofocusing time can be shorter.
    3.Switching the Focusing
    Distance Range
    If you autofocus outside the set focusing distance
    r ange, the lens may stop focusing at the start of
    the focusing range; however, this is not a
    malfunction. Press the shutter release button
    halfway again.
    4. Hood
    The ET-78 II 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.
    • Remove the hood when using the macro flash.
    6. Depth-of-Field Scale
    The depth of field is the distance in front of and
    behind the plane of focus on the subject that
    appears sharp. The depth of field is indicated by
    the area between the depth-of-field scale lines
    below the distance scale.
    The number on the scale is the F value.
    The depth-of-field scale is an approximate
    5. Infinity CompensationMark
    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.
    Infinity compensation mark
    Distance index
    7. Picture Taking
    •Image quality deteriorates near the minimum
    aperture opening due to diffraction.
    • The magnification refers to the ratio between the
    subject’s size and the corresponding image size
    on the focal plane. On the distance index, it is
    indicated as 1:x.
    •T o prevent camera shake, using a Remote
    Switch (both sold separately) and tripod is
    •T o check the depth of field, press the camera’s
    depth-of-field preview button.
    Normal PhotographyThe lens can be used as a telephoto lens for
    normal photography.
    Closeup PhotographyClose-up photos (minimum focusing distance of
    0.48m) up to 1x (life-size) magnification are
    possible. The minimum focusing distance is the
    distance from the subject to the film plane. The
    distance from the front of the lens to the subject
    (working distance) is about 0.25m.
    When focusing, you can give priority to framing
    or to magnification.
    [Framing Priority]While looking through the viewfinder and framing
    the subject, focus with the AF or MF mode.
    [Magnification Priority]1. Set the lens’ focus mode switch to MF.
    2. Set the magnification. While referring to the magnification scale on
    the lens, turn the focusing ring to the desired
    magnification. 3. Focus the subject.
    While looking through the viewfinder, move the
    camera forward or back to find the point of
    4. Touch up the focus. Turn  the focusing ring for fine focusing.
    Since macro shots have a very shallow depth of
    field, focus carefully to obtain proper sharpness.
    8. About Exposure
    •The correct exposure for a close-up shot largely
    depends on the subject. Therefore, it is
    recommended to take several shots of the same
    subject at different exposures.
    • When taking close-up shots, it is recommended
    to use aperture-priority AE (Av) or Manual (M)
    picture-taking modes, because depth of field
    and exposure are easy to adjust in those
    Setting the ExposureWhen taking photographs using TTL
    metering, no exposure compensation is
    necessary to meter the light coming through
    the lens.
    With TTL metering, AE (autoexposure) is
    possible at all focusing distances. Just set the
    desired picture-taking mode, then check the
    shutter speed and aperture before taking the
    Magnification and Effective f-numberThe aperture displayed by the camera assumes
    that the focus is set to infinity. The actual
    aperture (effective f-number) becomes darker
    (effective f-number increases) at closer focusing
    distances (magnification increases). This does
    not cause exposure problems for normal picture-
    taking. However, for closeup photography, you
    cannot ignore the change in the effective f-
    When you use a handheld exposure meter to
    set the exposure, you must take into account
    the exposure factor shown in the following
    Magnification 1:10 1:5 1:3 1:2 1:1.5 1:1.2 1:1
    Effective f/No. 3.8 4 4.3 4.7 5 5.4 5.8
    Exposure in stops––++ +1 +1 +1
    Factor (stops)in stops––++ +1 +1 +11
    9. Macro Flash (Sold Separately)
    The Canon Macro Ring Lite MR-14EX or the
    Macro Twin Lite MT-24EX enables fully automatic
    macro flash photography up to 1x magnification
    in E-TTL autoflash mode.
    Install the Macro Lite Adapter 72C (sold
    separately) on the filter mounting thread on the
    front of the lens for macro flash photography.
    F or normal photography, remove the Macro Lite
    Adapter, because it may create a dark
    •F or information on operating the Canon Macro
    Ring Lite MR-14EX or the Macro Twin Lite MT-
    24EX, refer to the individual instruction booklets.
    • Using aperture-priority AE (Av) or Manual (M) is
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