Canon lens EF 300mm f4L IS USM User Manual

ENG-10
Y
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
hood.
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...

ENG-11
Y
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...

ENG-12
•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
occur.
•
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...

ENG-13
Specifications
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...

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