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Canon lens EF 300mm f4L IS USM User Manual

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    ou can attach filters to the filter mounting thread
    on the front of the lens.
    9. Filters (Sold separately)
    • If you need a polarizing filter, use the Canon
    Circular Polarizing Filter (77mm).
    •T o adjust the polarizing filter, first store the lens
    8. Hood
    The built-in lens hood can reduce unwanted
    reflections and also protects the front of the lens
    from rain, snow, dust, and other substances.
    When using the hood, extend it outward from the
    end of the lens until it stops and then turn it in
    the direction of the arrow. For storage, reverse
    the procedure.
    ou can attach Extension Tube EF12 II or EF25
    II for magnified shots. The shooting distance and
    magnification are shown below.
    10.Extension Tubes (Sold separately)
    Manual focusing is recommended for accurate
    f ocusing.
    Camera-to-SubjectMagnificationDistance (mm)Near Far Near Far
    EF12 II 1338 7795 0.30 ×0.04×
    EF25 II 1216 3946 0.37 ×0.09×
    Attaching a 500D (77mm) Close-up Lens
    enables close-up photography.
    Magnification will be 0.82× – 0.59×.
    11.Close-up Lenses (Sold separately)
    •Close-up Lens 250D cannot be attached
    because there is no size that fits the lens.
    • Manual focusing is recommended for accurate
    •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
    With Extender EF2X 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.
    • 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.
    12. Extenders (Sold separately)
    With Extender EF1.4X ll or EF2X ll attached, the lens specifications wil\
    l change as follows:
    Item With EF1.4X ll Extender With EF2X ll Extender
    Focal length (mm) 420 600
    Aperturef/5.6 – f/45 f/8 – f/64
    Diagonal6°10’ 4°10’
    Angle of view Vertical 3°20’ 2°20’
    Horizontal5° 3°30’
    Maximum magnification (
    ×) 0.33 0.47
    •Autofocusing is still enabled with Extender EF1.4X II attached.
    • When an Extender is attached, the AF speed will become slower by design to retain proper
    AF control.
    Focal Length & Max. Aperture300 mm, f/4
    Lens Construction15 elements in 11 groups
    Min. Aperturef/32
    Angle of ViewDiagonal: 8°15’ Vertical: 4°35’ Horizontal: 6°50’
    Min. Focusing Distance1.5 m / 4.9 ft.
    Max. Magnification & Field of view0.24 × , 101  × 150 mm / 4.0  × 5.9 inch (at 1.5 m )
    Filter Diameter 77 mm
    Max. Diameter & Length90 ×221 mm / 3.5  ×8.7 inch
    W eight 1190 g / 42.0 oz
    Lens Hood Built-in
    Lens CapE-77U/E-77 II
    Case LZ1128
    •The lens length is measured from the mount surface to the front end of the lens. Add 21.5 mm to include the
    E-77U lens cap and dust cap, and 24.2 mm for the E-77 II.
    • The size and weight listed are for the lens only, except as indicated.
    • 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.
    							©CANON INC. 2002
    CT1-8505-004 0812Ni
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