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Thank you for purchasing a Canon product. Canon RF800mm F5.6 L IS USM and Camera Firmware RF1200mm F8 L IS USM are super-telephoto lenses for use with EOS R series cameras. Please use the latest version of firmware with the camera in use.
Safety Precautions Precautions to ensure that the camera is used Details pertaining to risks that may Caution safely. Read these precautions thoroughly. Make result in injury or damage to other sure all details are observed in order to prevent objects. Do not leave the product in places exposed to risks and injury to the user and other people.
General Precautions Handling Precautions Do not leave the product in excessive heat such as in a car in direct sunlight. High temperatures can cause the product to malfunction. If the lens is taken from a cold environment into a warm one, condensation may develop on the lens surface and internal parts.
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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.
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Focus preset switch (→ 12, 15) Tripod mount (→ 24) The illustrations used in the explanations in this manual show the RF800mm F5.6 L IS USM, but the RF1200mm F8 L IS USM is used in the same way. For detailed information, reference page numbers are provided in parentheses ( →...
Ensuring that the lens can rest safely on its own is recommended, such as first mounting it on a tripod. Please refer to the camera’s instructions for Rubber rings can be replaced at a Canon details. Service Center at cost. ENG-6...
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.
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3. Focusing/Control Ring Use as a Focusing Ring The focusing/control ring can be used as either a focusing ring or a control ring. To shoot in autofocus (AF) mode, set the focus mode switch to AF. To use only manual focusing (MF), set the focus mode switch to MF, and focus by turning the focusing ring.
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Focusing/Control Ring This lens does not have a focusing/control selector switch. Quickly turning the focusing ring (focusing/ control ring) may result in delayed focus. The lens’ focusing ring (focusing/control ring) is electronic. With a camera capable of electronic full-time manual focus, manual focusing is always possible whenever camera operations are possible.
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By setting a suitable focusing distance range, the lens is prevented from focusing on a subject at an unintended distance. Focusing distance range Lens Ranges FULL (2.6m-∞) RF800mm F5.6 L IS USM 2.6m-20m 20m-∞ FULL (4.3m-∞) RF1200mm F8 L IS USM 4.3m-30m 30m-∞...
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AF stop button to shoot at that focusing distance. Lens function buttons (AF stop buttons) Useful when autofocus is operating mostly in [SERVO AF]. Angle positioning of the lens function buttons is adjustable by a Canon Service Center at cost. ENG-11...
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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.
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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 briefly (at least 1 second), and then immediately turn the playback ring left or right to preset the Focus preset switch...
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Focus Preset When setting two presets, holding down the focus preset button briefly 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.
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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 mode switch Focus preset switch Set the focus preset switch to OFF, and the focus mode switch Turn the playback ring to PF.
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. Speed 3 is recommended for fine focusing.
9. Image Stabilizer Image stabilization corrects vibrations that occurs with hand-held shots. Image stabilizer switch Image stabilizer mode selector switch Set the STABILIZER switch to ON. Select an Image Stabilizer mode according to the application and shooting conditions. If you are not going to use image stabilization, set the image stabilizer switch to OFF.
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Image Stabilizer 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 situations where your footing is uncertain. In situations where fast shutter speed settings cannot be used. MODE 2 MODE 3 Shooting moving subjects...
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Image Stabilizer The Image Stabilizer cannot compensate for a Depending on the camera there may be image blurred shot caused by a subject that moved. shake, such as after releasing the shutter. The Image Stabilizer might not be fully effective However, this does not affect shooting.
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10. Hood The custom lens hood cuts out unwanted light that can cause flare and ghosting and protects the front of the lens from rain, snow, and dust. ODetaching the Hood Loosen the hood lock knob by turning it counterclockwise and detach the hood. Lock knob The hood can be reverse-mounted on the lens for storage.
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11. 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...
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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*.
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12. 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)* Focus mode switch ×1 Tripod mount ② Cushion (square, small) ×2 ③...
Security slot Since the tripod mount requires special fastening, as a safety precaution, do not replace the mount yourself. Orientation locking knob Replacement with a monopod mount (sold separately) can be done at a Canon Service Center at cost. ENG-24...
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15. Drop-In Filters The Canon Drop-In Filter 52(WIII) series 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...
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Because the lens optics are designed to include The Drop-In Gelatin Filter Holder 52(WIII) and Drop-In Circular Polarizing Filter PL-C52(WIII) a filter, you must always attach either a Canon PROTECT filter or a commercially available filter are also available (sold separately).
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16. Extenders (Sold Separately) Use an extender RF1.4× or RF2× to shoot a larger image of a subject. Lens specifications when using an extender are as follows. RF800mm F5.6 L IS USM RF1200mm F8 L IS USM Lens Extender RF1.4×...
The maximum diameter, length and weight listed are for the lens itself 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-28...
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