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EF400mm f/4 DO IS USM
ENG
Instruction
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Thank you for purchasing a Canon product. The Canon EF400mm f/4 DO IS USM lens is a Features high-performance, super telephoto lens 1. The multi-layer diffractive optical element effectively dedicated to Canon EOS cameras. Besides corrects chromatic aberrations prone to occur in super having an Image Stabilizer, it is the world's telephoto lenses. It provides high image quality while first camera lens incorporating a multi-layer maintaining compactness and light weight. diffractive optical eleme
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a Safety Precautions This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not a Safety Precautions cause harmful interference, and (2) this device must accept any • Do not look at the sun or a bright light source interference received, including interference that may cause through the lens or camera. Doing so could result in undesired operation. loss of vision. Looking at the sun directly through the Do not make any changes
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Nomenclature Hood mount (→ 10) Focusing ring (→ 5) Focusing distance range selection switch (→ 5) Distance scale (→ 6) Strap mount (→ 4) Drop-in filter (→ 12) Rubber ring (→ 4) AF stop button (→ 6) Contacts (→ 4) Focus mode switch (→ 5) Lens mount index (→ 4) Image stabilizer switch (→ 7) Tripod mount (→ 11) Image stabilizer mode selector switch (→ 7) Tripod collar index (→ 11) Orientation locking knob (→ 11) For detailed information, reference page numbers are provided in parentheses (→ **)
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1. Mounting and Detaching the Lens See your camera’s instructions for details on The lens mount has a rubber ring for enhanced mounting and detaching the lens. water- and dust-resistance. The rubber ring may cause slight abrasions around the camera's lens mount, but this will not cause any problems. If the rubber ring becomes worn, it is replaceable by a Canon Service Center at cost. • After detaching the lens, place the lens with the rear end up to prevent the lens surface and Attaching the str
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2. Setting the Focus 3. Switching the Focusing Mode Distance Range To shoot in autofocus (AF) mode, set the focus You can set the focusing distance range to mode switch to AF. 3.5 m/11.5 ft. to infinity or 8 m/26.2 ft. to infinity. To use only manual focusing (MF), set the focus By setting the suitable focusing distance range, mode switch to MF, and focus by turning the the actual autofocusing time can be shorter. focusing ring. The focusing ring always works, If you autofocus outside the set f
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• The AF stop function also works in AI Servo AF 4. AF Stop Button mode. • By setting the camera's Custom Function, you can change the AF stop button's function. For details, see the camera's instruction manual. 5. Infinity Compensation Mark Infinity compensation mark During autofocus operation, you can press the AF stop button to temporarily pause autofocus. If the shutter button is still pressed halfway when the AF stop button is released, autofocusing will continue as before. Distance index •
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6. Image Stabilizer Settings You can use the image stabilizer in AF or MF mode. Set the STABILIZER switch Select the stabilizer mode. When you press the shutter to . button halfway, the Image • MODE 1: Corrects vibrations Stabilizer will start in all directions. It is mainly • If you are not going to use the operating. effective for shooting still image stabilizer function, set subjects. the switch to . • Make sure the image in the • MODE 2: It compensates for viewfinder is stable, then
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7. Tips on Using the Image Stabilizer The image stabilizer in this lens is effective for hand-held shots under the following conditions. ● MODE 1 ● MODE 2 • In semi-darkened areas such as indoors or • When panning subjects in motion. outdoors at night. • In locations where flash photography is prohibited, such as art museums and theater stages. • In situations where your footing is uncertain. •In situations where fast shutter settings cannot be used. ENG-8 C OP Y
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Tips on Using the Image Stabilizer • The Image Stabilizer cannot compensate for a DCS1, DCS3, D2000, D6000, EOS-1V/HS, EOS- blurred shot caused by a subject that moved. 1N/DP/HS/RS, 3, ELAN 7E/ELAN 7/30/33, ELAN • Set the STABILIZER switch to when you are 7NE/ELAN 7N/30V/33V, ELAN II/ELAN IIE/50/50E, taking pictures using the Bulb setting (long REBEL X/REBEL XS/500, REBEL G/500N, REBEL exposures). If the STABILIZER switch is set to , 2000/300, REBEL Ti/300V, REBEL T2/300X, REBEL the image stabil
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8. Hood The dedicated Lens Hood ET-120 helps to prevent stray light from entering the lens and protects the front of the lens from rain, snow or dust. To attach the hood, loosen the hood locking knob by turning it counterclockwise. Fit the hood onto the lens hood mount, and tighten the locking knob to fix it in place. Use the same procedure, in reverse, to remove the hood. ENG-10 C OP Y
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9. Using the Tripod Mount Adjusting the Revolving Mount You can loosen the orientation lock-knob on the tripod mount to allow it to rotate as needed to fit a particular camera model for switching between vertical and horizontal positions. Detaching First remove the lens from the camera and then remove the tripod mount from the lens as shown below. To attach the tripod mount, reverse the procedure. Loosen the orientation Rotate the tripod mount and Slide off the tripod collar locking knob. align
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10.Drop-In Filters The lens comes with the drop-in Gelatin Filter Using a Gelatin Filter Holder 52 holding a glass filter. The holder accepts commercially-available gelatin filters. 14mm 14mm 47mm 47mm Removing and Installing Lift up the holder’s retaining frame To remove the drop-in filter, press in the left and right lock buttons and pull the filter holder straight Trim the gelatin filter as shown in the figure, up out of the slot. and mount it in the holder. To install the drop-in filter, pus
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11.Extenders (Sold separately) With Extender EF1.4X ll or EF2X ll attached, the lens specifications will change as follows: Item With EF1.4X ll Extender With EF2X ll Extender Focal length (mm) 560 800 Aperture f/5.6 – 45 f/8 – 64 Diagonal 4°25’ 3°5’ Angle of view Vertical 2°25’ 1°40’ Horizontal 3°40’ 2°35’ Maximum magnification (×) 0.17 0.24 • 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 c
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12. Extension Tubes (Sold separately) 13.Case You can attach Extension Tube EF12 II or EF25 II for magnified shots. The shooting distance and Belt magnification are shown below. Camera-to-Subject Magnification Distance (mm) Lid Near Far Near Far EF12 II 2870 13384 0.16× 0.03× EF25 II 2424 6549 0.20× 0.07× Keyhole Lever Manual focusing is recommended for accurate focusing. When putting the lens into its case, follow the procedure below. Attach the hood in reverse, then attach the lens cap. Positi
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Specifications Focal Length & Max. Aperture 400mm, f/4 Lens Construction 17 elements in 13 groups Min. Aperture f/32 Angle of View Diagonal: 6°10’ Vertical: 3°30’ Horizontal: 5°10’ Min. Focusing Distance 3.5 m Max. Magnification & Field of view 0.12×, 197 × 296mm/7.7× 11.6 inch (at 3.5 m) Filter Drop-in 52-series Max. Diameter & Length 128 dia. × 232.7mm/5 dia. × 9.1 inch Weight 1940g/67.9oz Lens Hood ET-120 Lens Cap ET-145 Case Lens Case 400B • The lens length is measured from the mount surface
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CT1-7531-006 © CANON INC. 2002 2009.7 C OP Y
