Canon lens EF 400mm f56L USM User Manual

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11. Extension Tubes (Sold separately)
You can attach Extension Tube EF12 II or EF25 II for magnified shots. The shooting distance and
magnification are shown below.
Camera-to-SubjectMagnificationDistance (mm)Near Far Near Far
EF12 II 691 1661 0.29× 0.09×
EF25 II 579 883 0.41× 0.20×
Manual focusing is recommended for accurate focusing.
EF135mm f/2L USM
Camera-to-SubjectMagnificationDistance (mm)Near Far Near Far
EF12 II 1986 7786 0.18× 0.04×
EF25 II 1661 3925 0.24× 0.09×
EF300mm f/4L USM
Camera-to-SubjectMagnificationDistance (mm)Near Far Near Far
EF12 II 1169 3284 0.23 ×0.06×
EF25 II 977 1801 0.32× 0.14×
EF200mm f/2.8L II USM
Camera-to-SubjectMagnificationDistance (mm)Near Far Near Far
EF12 II 2893 13449 0.16× 0.03×
EF25 II 2460 6610 0.21× 0.07×
EF400mm f/5.6L USM
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12. Extenders (Sold separately)
With Extender EF1.4X ll or EF2X ll attached, the lens specifications wil\
l change as follows:
EF135mm f/2L USM
Focal lengthAperture Angle of view
Maximum magnification (×)(mm)Diagonal Vertical Horizontal
EF1.4X II 189 f/2.8-45 13° 35 7° 25 11° 5 0.27
EF2X II 270 f/4-64 9° 15 5° 10 7° 40 0.38
EF200mm f/2.8L II USM
F ocal lengthAperture Angle of view
Maximum magnification (×)(mm)Diagonal Vertical Horizontal
EF1.4X II 280 f/4-45 9° 20 5° 10 7° 40 0.22
EF2X II 400 f/5.6-64 8° 50 4° 55 7° 20 0.32
EF300mm f/4L USM
F ocal lengthAperture Angle of view
Maximum magnification (×)(mm)Diagonal Vertical Horizontal
EF1.4X II 420 f/5.6-45 6° 10 3° 20 5° 0.18
EF2X II 600 f/8-64 4° 10 2° 20 3° 30 0.26
EF400mm f/5.6L USM
F ocal lengthAperture Angle of view
Maximum magnification (×)(mm)Diagonal Vertical Horizontal
EF1.4X II 560 f/8-45 4° 25 2° 25 3° 40 0.18
EF2X II 800 f/11-64 3° 5 1° 40 2° 35 0.25
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Extenders (Sold separately)
When an Extender is attached, the AF speed will become slower by design to retain proper AF control.
EF300mm f/4L USM
¡With Extender EF2X II attached to the lens, only manual focus is possible. However, with the EOS-1DsMark 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.
EF400mm f/5.6L USM
¡With Extender EF1.4X 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.
¡With Extender EF2X II attached to the lens, only manual focus is possible.
For all lenses
¡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.
¡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.
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Specifications
¡The lens length is measured from the mount surface to the front end of the lens. Add 21.5 mm to include theE-72U/E-77U lens cap and dust cap, and 24.2 mm for the E-72 II/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.
Focal Length/ApertureLens Construction
Minimum Aperture
Angle of View
Min. Focusing DistanceMax. Magnification
Field of View
Filter Diameter
Max. Diameter and LengthW eight 
Hood
Lens Cap
Case
T ripod Collar EF135mm f/2L USM
135 mm f/2
8 groups, 10 elements f/32
Diagonal: 18° Ve r tical: 10°
Horizontal: 15° 0.9 m / 3.0 ft.
0.19  ×
124 ×185 mm / 
4.9  ×7.3 inch (at 0.9 m)
72 mm / 2.8 inch82.5  ×112 mm / 3.2 × 4.4 inch750 g / 26.5 oz 
ET-78 II
E-72U/E-72 II LP1219
–
EF200mm f/2.8L II USM200 mm f/2.8
7 groups, 9 elements f/32
Diagonal: 12° Ve r tical: 7°
Horizontal: 10° 1.5 m / 4.9 ft.
0.16  ×
152 ×226 mm /
6.0  ×8.9 inch (at 1.5 m)
72 mm / 2.8 inch83.2  ×136.2 mm / 3.3 × 5.4 inch765 g / 27.0 oz 
ET-83B II
E-72U/E-72 II LP1222
Ring-type tripod mounting
socket A II (B) (Sold separately)
EF300mm f/4L USM
300 mm f/4
7 groups, 8 elements f/32
Diagonal: 8° 15 Ve r tical: 4° 35
Horizontal: 6° 50 2.5 m / 8.2 ft.
0.13  ×
185 ×275 mm /
7.3  ×10.8 inch (at 2.5 m)
77 mm / 3.0 inch90  ×213.5 mm / 3.5  ×8.4 inch1165 g / 41.1 oz 
Built-in
E-77U/E-77 II LZ1128
Ring-type tripod
mounting socket A II (W)
EF400mm f/5.6L USM
400 mm f/5.6
6 groups, 7 elements f/32
Diagonal: 6° 10 Ve r tical: 3° 30
Horizontal: 5° 10 3.5 m / 11.5 ft.
0.12  ×
194 ×291 mm /
7.6  ×11.5 inch (at 3.5 m)
77 mm / 3.0 inch90  ×256.5 mm / 3.5  ×10.1 inch1250 g / 44.1 oz 
Built-in
E-77U/E-77 II LZ1132
Ring-type tripod
mounting socket A II (W)
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							©CANON INC. 2002
CT1-8504-0040812Ni
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