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                        EF300mm f/2.8L IS II USM
EF400mm f/2.8L IS II USM
ENG
Instructions
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                        Thank you for purchasing a Canon product. 8. A power focus mode enables smooth focus  Canon’s EF300mm f/2.8L IS II USM and EF400mm  change. f/2.8L IS II USM are high-performance super- 9. A focus preset function for advance storage  telephoto lenses, for use with EOS cameras. of focusing positions in memory to allow  O O “IS” stands for Image Stabilizer. instantaneous focusing. O O “USM” stands for Ultrasonic Motor. 10. Circular aperture for producing beautiful  softfocus images. Features 11. Ca
                    
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                         Safety Precautions Handling Cautions  Safety Precautions O OIf the lens is taken from a cold environment into a  O ODo not look at the sun or a bright light source  warm one, condensation may develop on the lens  through the lens or camera. Doing so could result in  surface and internal parts. To prevent condensation  loss of vision. Looking at the sun directly through the  in this case, first put the lens into an airtight plastic bag  lens is especially hazardous. before taking it from a cold 
                    
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                         Safety Precautions This device complies with Part 15 of the FCC Rules.  This Class B digital apparatus complies with Canadian ICES- Operation is subject to the following two conditions: (1) This  003. device may not cause harmful interference, and (2) this  device must accept any interference received, including  interference that may cause undesired operation. Do not make any changes or modifications to the equipment  unless otherwise specified in the instructions. If such changes  or modifica
                    
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                        Nomenclature Focusing ring (→ 6) Distance scale (→ 14) Hood mount (→ 14) Orientation locking knob (→ 17) Security slot (covered) (→ 17) Strap mount (→ 5) Drop-in filter (→ 18) Rubber ring (→ 5) Playback ring   (→ 9) AF stop button  (→ 7) Contacts (→ 5) Image stabilizer mode selector switch (→ 11) Lens mount index (→ 5) Image stabilizer switch (→ 11) Focusing distance range  Focus preset button (→ 8) selector switch (→ 6) Focus preset switch (→ 8) Tripod mount (→ 17) Focus mode switch (→ 6) O O T
                    
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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. dust- and water-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. Attaching the strap O O After detaching the lens, place the lens with  the rear end up to prevent the lens 
                    
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                        2. Setting the Focus Mode 3.  Switching the Focusing  Distance Range To shoot in autofocus (AF) mode, set the focus  mode switch to AF. You can set the focusing distance range with a  To shoot in manual focus (MF) mode, set the  switch. By setting a suitable focusing distance  focus mode switch to MF, and focus by turning  range, the actual autofocusing time will be  the focusing ring. The focusing ring always  shorter. works, regardless of the focus mode. To shoot in power focus (PF) mode, set 
                    
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                        4. AF Stop Button The AF stop function also works in AI Servo AF  mode. Angle positioning of the AF stop button is  adjustable by a Canon Service Center at cost. O O With the EOS 630/600, RT, A2/A2E/5, or 10S/10  set to the AI Servo AF mode and continuous  shooting, AF will not resume even after you  During autofocus operation, you can press the  let go of the AF stop button. Press the shutter  AF stop button to temporarily pause autofocus. release button halfway to resume AF. O O With the EOS A
                    
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                        5. Focus Preset By presetting any focusing distance, you can instantly focus at that point even while you are  shooting a different subject. This function operates in any of the AF, PF, and MF modes. < How to Set >  Set the focus preset switch  Press the shutter button   Press the focus preset  to ON or . halfway to focus the button. distance you want to preset. O O The focused distance will be  preset. O O If the focus preset switch was  set to , the beeper will  sound once. ENG-8 C OP Y       
                    
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                        Focus Preset < How to Focus at the Preset Distance > O O When turning the playback ring, keep your finger  away from the shutter button. In One-Shot AF  mode, the exposure will be locked when you  press the shutter button halfway and focus is  achieved. So if you press the shutter button  halfway while turning the playback ring, the  exposure may not be correct. O O When not using the focus preset, set the switch  to OFF. O O The focus preset function will not work while a  By turning the playba
                    
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                        6. Power Focus (PF) Mode Using the playback ring enables smooth focus change. This is a useful feature for changing focus when shooting movies.  With the focus preset switch set to OFF, set the focus mode  Rotate the playback ring to  switch to PF. change the focus. When the playback ring is rotated in a certain direction, focus changes in the same direction as when  the focusing ring is rotated.       You can make a 2-step change in focus shift speed depending on the angle that the playback rin
                    
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                        7. Image Stabilizer You can use the image stabilizer in AF, PF, or MF mode.  Set the STABILIZER switch  Select the stabilizer mode. First press the shutter  to ON. button down halfway, then  O O MODE 1: Corrects vibrations in  press down all the way to  all directions. It is mainly effective  O O If you are not going to use the  take the picture. for shooting still subjects. image stabilizer function, set  O O MODE 2: Corrects vertical  the switch to OFF. O O MODE 1, 2: Press the  camera shake d
                    
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                        8. Tips on Using the Image Stabilizer The image stabilizer for this lens is effective for hand-held shots in the following conditions. O MODE 1 O MODE 2 ON ON OFF OFF O O In semi-darkened areas such as indoors or  O O When panning subjects in motion.  outdoors at night.   O O In locations where flash photography is  prohibited, such as art museums and theater  O MODE 3 stages. O O Since camera shake is stabilized only during  O O In situations where your footing is uncertain. exposure, following
                    
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                        Tips on Using the Image Stabilizer O O The Image Stabilizer cannot compensate for a O O Using a tripod also stabilizes the image.   blurred shot caused by a subject that moved. However, depending on the kind of tripod and  O O Set the STABILIZER switch to OFF when you shooting conditions, sometimes it may be better  are taking pictures using the Bulb setting (long to turn off the Image Stabilizer function. exposures). If the STABILIZER switch is set to O O The stabilizer is equally effective for
                    
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                        9. Infinity  Compensation 10. Hood Mark Infinity compensation mark Distance index The special hoods that come with all these  lenses cut out unwanted light and protect the  To compensate for shifting of the infinity focus  front of the lens from rain, snow, and dust. point that results from changes in temperature.  To attach the hood, loosen the hood lock knob  The infinity position at normal temperature is the  by turning it counterclockwise. Fit the hood onto  point at which the vertical line 
                    
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                        11. Fitting the Lens Cap  Reverse the lens hood, slip  Lift the hook and loop  With the lock knob at the  it over the lens, and tighten fastener, and fit the cap so opening in the cap, close  the lock knob to fix it in that the lock knob rides up the fastener to fix the cap in  place. the slot in the cap. place as shown. O O Can also be attached to the  front of the hood when using  the lens. ENG-15 C OP Y                                                                                           
                    
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                        12. Case Slot Lid Hinge Strap Lever Keyhole The illustration shows the EF400mm f/2.8L IS II USM. Put the lens away as follows. Fold the strap and fit it into the space near  the case hinges.  Reverse the lens hood, slip it over the lens,   Fasten the lens securely with the strap. and attach the lens cap.   Close the lid, and then push the lever while   Position the tripod mount towards you as  holding the lid from above to lock. shown and place it in the case.  Place so that the hood’s lock knob
                    
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                        13.  Using the Tripod 14.  Security Slot Mount A tripod or monopod attaches to the tripod  mount on the lens. Adjusting the Tripod Mount By loosening the orientation locking knob on the  tripod mount you can rotate the camera to set  the image for any vertical or horizontal position. An attachment slot is provided for a wire-type  Replacing the Tripod Mount (EF400mm  security lock. The slot is located under the cover  f/2.8L IS II USM only) for the orientation locking knob. Replacement with the 
                    
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                        15. Drop-In Filters  A 52(WII)-series drop-in gelatin filter holder with  a glass filter is included with the lens. The drop- in filter holder can be used fitted with a gelatin  filter (sold separately). 14mm 14mm 47mm 47mm   Lift up the holder’s retaining plate. To remove the drop-in filter, press in the left   Cut the gelatin filter as shown and mount it in  and right lock buttons and pull the filter holder  the holder. straight up out of the sl
                    
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                        16. Extenders (Sold Separately) Lens specifications when using extender EF1.4× II/III or EF2× II/III are as follows. EF300mm f/2.8L IS II USM EF400mm f/2.8L IS II USM EF1.4× II/III EF2× II/III EF1.4× II/III EF2× II/III Focal length (mm) 420 600 560 800 Aperture f/4 – 45 f/5.6 – 64 f/4 – 45 f/5.6 – 64 Diagonal 5° 55’ 4° 10’ 4° 25’ 3° 5’ Angle of view Vertical 3° 15’ 2° 20’ 2° 25’ 1° 40’ Horizontal 4° 55’ 3° 30’ 3° 40’ 2° 35’ Maximum magnification (×) 0.25 0.36 0.25 0.35 O O Attach the extender to