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Canon lens Extender EF 14x II User Manual

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    © CANON INC. 20022008.5
     ENGExtender EF1.4X II/ EF2X II
    q Lens mount index (on lens)
    w  Lens mount index (on camera)
    e  Lens release lever
    r  Contacts
    t  Rubber ring
    Thank you for purchasing a Canon product.
    The high-performance Canon Extender EF1.4X II and Extender EF2X
    II increase the focal length of the attached EF lens by 1.4X and 2X
    aSafety Precautions
    • Do not look at the sun or a bright light source through the lens
    with the extender attached, or with a camera with the extender
    and lens attached.  Doing so could result in visual impairment. In
    particular, never look at the sun directly through the lens with the
    extender attached, because that could result in loss of vision.
    • Do not leave the lens with the extender attached, or a camera
    with the extender and lens attached in the sun without the lens
    cap on. That may result in concentrating the suns rays, causing a
    Mounting and dismounting the Extender
    First attach the Extender to the lens, then attach it to the camera. To
    detach it, follow the same procedure in reverse.
    To detach the Extender from the lens, slide the lens release lever as
    shown by the arrow, then turn the Extender counterclockwise.
    Maximum Aperture with the Extender
    When Extender EF1.4X II is attached, the lens maximum aperture will
    be smaller (darker) by 1 stop. With Extender EF2X II, the maximum
    aperture will be smaller by 2 stops. In any case, the camera will
    compensate the exposure automatically.
    •Do not attach two or more Extenders on the same camera. Doing so
    will degrade the optical performance and the camera will not be able
    to obtain proper exposure readings.
    • To enhance water and dust resistance, the Extender EF1.4X II and
    EF2X II have a rubber ring around the mount. As the lens is
    repeatedly mounted and detached, the rubber ring will leave fine
    abrasion marks on the outside of the camera mount. This will not
    affect operation.
    The rubber ring can be replaced by a Canon service center (a fee
    will be charged).
    • Autofocusing slows down when the lens is used with an extender, in
    order to maintain the precision of autofocus control.
    • If you have an EOS A2/A2E/5 and use an Extender with any of the
    lenses listed above, set -1/2-stop exposure compensation with the
    EF1.4X II or -1 stop with the EF2X II.
    Major Specifications
    Mount:  Canon EF mount (Electronically controlled)
    Lens construction: EF1.4X II: 5 elements in 4 groups
    EF2X II: 7 elements in 5 groups
    (Max. dia.  × length): EF1.4X II: 72.8 dia.  × 27.2 mm / 2.85  × 1.06 inch
    EF2X II: 71.8 dia.  × 57.9 mm / 2.8  × 2.26 inch
    Weight:  EF1.4X II: 220 g / 7.8 oz, EF2X II: 265 g / 9.3 oz
    Case:  EF1.4X II/EF2X II: LP811
    * All specifications are based on Canons tests and measurements.
    *Product specifications and appearance are subject to change without
    Usable lenses:
    * Refer to the camera and lens instruction booklets to see if there are an\
    AF compatibility limitations.
    * The maximum aperture is indicated in half-stop increments.
    EF1.4X II
    189mm f/2.8
    252mm f/4.5
    280mm f/2.5
    280mm f/4
    280mm f/4
    420mm f/4
    420mm f/4
    420mm f/5.6
    420mm f/5.6
    560mm f/4
    560mm f/4
    560mm f/4
    560mm f/5.6
    560mm f/8
    700mm f/5.6
    700mm f/6.7
    840mm f/5.6
    840mm f/5.6
    1680mm f/8
    98-280mm f/498-280mm f/498-280mm f/5.698-280mm f/5.6140-560mm f/6.7-8
    EF2X II
    270mm f/4
    360mm f/6.7
    400mm f/3.5
    400mm f/5.6
    400mm f/5.6
    600mm f/5.6
    600mm f/5.6
    600mm f/8
    600mm f/8
    800mm f/5.6
    800mm f/5.6
    800mm f/5.6
    800mm f/8
    800mm f/11
    1000mm f/8
    1000mm f/9.5
    1200mm f/8
    1200mm f/8
    2400mm f/11
    140-400mm f/5.6140-400mm f/5.6140-400mm f/8140-400mm f/8200-800mm f/9.5-11
    Focal Length & Maximum Aperture
    EF135mm f/2L USM
    EF180mm f/3.5L MACRO USMEF200mm f/1.8L USM
    EF200mm f/2.8L USM
    EF200mm f/2.8L II USM
    EF300mm f/2.8L USM
    EF300mm f/2.8L IS USM
    EF300mm f/4L USM
    EF300mm f/4L IS USM
    EF400mm f/2.8L USM
    EF400mm f/2.8L II USM
    EF400mm f/2.8L IS USM
    EF400mm f/4 DO IS USM
    EF400mm f/5.6L USM
    EF500mm f/4L IS USM
    EF500mm f/4.5L USM
    EF600mm f/4L USM
    EF600mm f/4L IS USM
    EF1200mm f/5.6L USM
    EF70-200mm f/2.8L USM
    EF70-200mm f/2.8L IS USM
    EF70-200mm f/4L USM
    EF70-200mm f/4L IS USM
    EF100-400mm f/4.5-5.6L IS USM
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