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Canon ULTRASONIC EF400mm f/2.8L IS III USM Instructions Manual
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Canon ULTRASONIC EF400mm f/2.8L IS III USM Instructions Manual

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EF400mm f/2.8L IS III USM
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Summary of Contents for Canon ULTRASONIC EF400mm f/2.8L IS III USM

  • Page 1 EF400mm f/2.8L IS III USM Instructions...
  • Page 2 Thank you for purchasing a Canon product. Canon’s EF400mm f/2.8L IS III USM is an Camera Firmware Image Stabilizer-equipped super-telephoto lens for use with EOS cameras. Please use the latest version of firmware with the camera in use. For details on whether the “IS”...

  • Page 3: Safety Precautions

    Safety Precautions Precautions to ensure that the camera is used Caution Details pertaining to risks that may safely. Read these precautions thoroughly. Make result in injury. sure all details are observed in order to prevent risks and injury to the user and other people. Do not leave the product in places exposed to extremely high or low temperatures.
  • Page 4 This device complies with Part 15 of the FCC Rules. CAN ICES-3(B)/NMB-3(B) Operation is subject to the following two conditions: (1) This 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.

  • Page 5: General Precautions

    General Precautions Handling Precautions Shooting Precautions The lens’ focusing ring is electronic. If the lens is taken from a cold environment into a warm The lens will not focus when the focusing ring is turned one, condensation may develop on the lens surface and while the camera is turned off.
  • Page 6 Nomenclature Image stabilizer mode selector switch (→ 16) Distance scale (→ 19) Image stabilizer switch (→ 16) Orientation locking knob Security slot (covered) (→ 23) Hood mount (→ 19) Strap mount (→ 7) Drop-in filter (→ 24) Lens mount index (→ 6) Lens mount (→...

  • Page 7: Attaching And Detaching The Lens

    Please refer to the camera's instructions for lens. Ensuring that the lens can rest safely on its details. own is recommended, such as first mounting it on a tripod. Rubber rings can be replaced at a Canon Service Center at cost. ENG-6...

  • Page 8: Attaching The Strap

    2. Attaching the Strap Strap mount Included strap Thread the end of the strap through the strap mount on the lens and then back through the clasp on the strap. Pull the strap tight and check that there is no slack in the clasp. Before using the lens, check that the strap is attached securely, that it is not worn (damaged), etc.

  • Page 9: Setting The Focus Mode

    3. Setting the Focus Mode Focusing ring Quickly turning the focusing ring may result in delayed focus. The lens’ focusing ring is electronic. When AF operation is set to [ONE SHOT], manual focus is possible after autofocusing has been completed by continuing to press the shutter button halfway (Full-time manual focus).
  • Page 10 4. Setting the Focusing Distance Range Focusing distance range selector switch You can set the focusing distance range with a switch. By setting a suitable focusing distance range, the actual autofocusing time will be shorter. Focusing distance range ① FULL (2.5 m – ∞) ②...
  • Page 11 Angle positioning of the AF stop buttons is Press an AF stop button to maintain a focusing adjustable by a Canon Service Center at cost. distance or to avoid focus search. Press the shutter button while holding down an AF stop button to shoot at that focusing distance.
  • Page 12 6. Focus Preset By using focus presets, you can turn the playback ring to focus the lens at any preset focusing distance. To use focus presets, set the focus preset switch to ON or If set to , the lens beeps when being preset and when moving. Operation differs to set one preset or two presets.
  • Page 13 Focus Preset Two Presets Focus preset button Hold down the focus preset button to preset two focusing distances. Hold down < Preset the Focusing Distance > Focus the lens at a focusing distance you want to preset. Hold down the focus preset button (at least 1 second), and then immediately turn the playback ring left or right to preset the Focus preset switch...
  • Page 14 Focus Preset When setting two presets, pressing the focus preset button but then not turning the playback ring causes the lens to beep three times and cancel presetting. Set presets from the start again. The camera may turn off while setting two presets. Press the shutter button halfway, and then set presets from the start again.
  • Page 15 7. Power Focus (PF) By using power focus, you can turn the playback ring to change the focus smoothly. This is a useful feature for changing focus when shooting movies. Playback ring Focus preset switch Focus mode switch Set the focus preset switch to OFF, and the focus mode switch Turn the playback ring to PF.

  • Page 16: Manual Focus (Mf)

    8. Manual Focus (MF) When shooting images using manual focus (MF), you can select the manual focus speed. Manual focus speed switch Use the manual focus speed switch to select a manual focus speed. Speed is fastest at 1, with 2 and 3 being progressively slower. ENG-15...

  • Page 17: Image Stabilizer

    9. Image Stabilizer Image stabilization corrects vibrations that occurs with hand-held shots. Image stabilizer switch Image stabilizer mode selector switch Camera shutter button Set the STABILIZER switch Select an Image Stabilizer Press the shutter button down to ON. mode according to the halfway.
  • Page 18 10. Tips on Using Image Stabilization The Image Stabilizer for this lens is suited to hand-held shots in the following conditions. MODE 1 Shooting still subjects In semi-darkened areas such as indoors or outdoors at night. In locations where a flash cannot be used, such as art museums and theater stages.
  • Page 19 Tips on Using Image Stabilization Depending on the camera there may be image The Image Stabilizer cannot compensate for a shake, such as after releasing the shutter. blurred shot caused by a subject that moved. However, this does not affect shooting. The Image Stabilizer might not be fully effective If you set the camera’s Custom Function to in the following conditions:...
  • Page 20 11. Infinity Compensation Mark 12. Hood The custom lens hood cuts out unwanted light Infinity compensation mark CANON LENS and protects the front of the lens from rain, EF 400mm 1:2.8L IS Ⅲ USM snow, and dust. Distance scale Lock knob...
  • Page 21 13. Lens Cap The dedicated lens cap protects the front of the lens from shock and dust when the lens is stowed or not in use. This lens cap can also be attached to the hood as well as the lens. Attaching the Lens Cap to the Lens Lens Attach the lens cap by slipping it directly over the...
  • Page 22 Lens Cap Stowing the Lens Reverse the lens hood and slip it over the lens. Tripod mount Tighten the hood lock knob to fix the hood in place securely with the lock knob in a line with Hood the tripod mount. Attach the lens cap by slipping it on where the Draw strings hood lock knob is located as shown*.
  • Page 23 14. Case Use the case to carry the lens. ① Fastener ① ② ② Case ④ ③ ② Strap Attach all cushions inside the case as shown. ① Cushion (U-shaped)* Drop-in filter ×1 Tripod mount ② Cushion (square, small) ×2 ③...

  • Page 24: Tripod Mount

    Since the tripod mount requires special fastening, as a safety precaution, do not replace the mount yourself. Security slot Replacement with a monopod mount (sold separately) can be done at a Canon Service Orientation locking knob Center at cost. ENG-23...
  • Page 25 17. Drop-In Filters A 52(WIII)-series Canon drop-in filter can be used with the lens. Detaching Drop-In Filters To detach a drop-in filter, press in both lock buttons and pull the filter holder straight out of the slot. Attaching Drop-In Filters...
  • Page 26 The Drop-In Gelatin Filter Holder 52(WIII) and Because the lens optics are designed to include Drop-In Circular Polarizing Filter PL-C52(WIII) a filter, you must always attach either a Canon are also available (sold separately). PROTECT filter or a commercially available filter...
  • Page 27 18. Extenders (Sold Separately) 19. Extension Tubes (Sold Separately) Use an extender EF1.4× III or EF2× III to shoot Use an extension tube EF12 II or EF25 II to get a larger image of a subject. Lens specifications closer to a subject and shoot a larger image. when using an extender are as follows.

  • Page 28: Specifications

    The max. diameter × length and weight listed are for the lens only. The Close-up Lenses 250D and 500D cannot be attached. 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. ENG-27...
  • Page 29 CT1-D037-A 1806SZ © CANON INC. 2018...

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