Canon RF 100-500mm F4.5-7.1 L IS USM Instructions Manual
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Canon RF 100-500mm F4.5-7.1 L IS USM Instructions Manual

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Frequently Asked Questions (19)

  • What Canon mirrorless cameras are compatible with the RF 100-500mm lens?

    The Canon RF100-500mm F4.5-7.1 L IS USM is a telephoto zoom lens for use with EOS R series cameras.

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  • Why are my photos blurry when using the Canon RF 100-500mm lens?

    Photos may appear blurry when using the Canon RF 100-500mm lens due to the following reasons:

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  • What is the recommended method for cleaning the Canon RF 100-500mm lens?

    If the contacts on the lens get soiled, clean them with a soft cloth.

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  • Does the Canon RF 100-500mm lens have weather sealing for outdoor use?

    The lens mount has a rubber ring to improve dust-resistance and water-resistance performance.

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  • How effective is the image stabilization system on the Canon RF 100-500mm lens?

    The Image Stabilizer corrects vibrations that occur with hand-held shots. It offers three modes:

    • MODE 1: Corrects vibrations in all directions and is suited for shooting still subjects.
    • MODE 2: Corrects vibrations at right angles to the direction of panning when taking a panning shot (horizontally or vertically), suited for moving subjects.
    • MODE 3: Corrects vibrations only during exposure, suited for shooting irregularly moving subjects.

    However, the Image Stabilizer cannot compensate for blurred shots caused by subject movement. Its effectiveness might be reduced with large or fast vibrations, panning in MODE 1, or when using a tripod or monopod depending on conditions and camera settings.


    For more information, see pages 11 and 13 of the manual.
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  • Can I use teleconverters with the Canon RF 100-500mm lens?

    Yes, it is possible to increase the size of the subject when shooting with the use of the RF1.4x and RF2x extenders (sold separately). When attaching an extender, first set the focusing distance between 300 mm and the TELE setting (500 mm), then attach the extender to the lens. The lens can then be attached to the camera. Note that only one extender can be used at a time, and the speed of the AF will be slower when an extender is in use.

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  • What is the closest focusing distance of the Canon RF 100-500mm lens?

    The minimum focusing distance of the Canon RF 100-500mm lens varies depending on the focal length:

    • At 100 mm: 0.9 m/2.95 ft.
    • At 300 mm: 1 m/3.28 ft.
    • At 500 mm: 1.2 m/3.94 ft.

    For more information, see page 8 of the manual.
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  • What lens mount does the Canon RF 100-500mm F4.5-7.1 L IS USM use?

    The Canon RF 100-500mm F4.5-7.1 L IS USM is designed for use with EOS R series cameras, indicating it uses the Canon RF mount.

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  • How do you attach the Canon RF 100-500mm lens to a camera body?

    To attach the Canon RF 100-500mm lens to a camera body, follow these steps:

    1. Set the camera's power switch to OFF before attaching or detaching the lens.
    2. Align the lens mount indexes of the lens and camera.
    3. Turn the lens clockwise until you hear a click.

    For more information, see page 7 of the manual.
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  • What is the filter thread size for the Canon RF 100-500mm F4.5-7.1 L IS USM lens?

    The filter diameter for the Canon RF 100-500mm F4.5-7.1 L IS USM lens is 77 mm.

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  • What are the common uses for a super telephoto zoom lens like the Canon RF 100-500mm?

    The Image Stabilizer for this lens is suited for hand-held shots in various conditions:

    • For shooting still subjects, it can be used in semi-darkened areas, indoors or outdoors at night, in locations where flash cannot be used, where footing is uncertain, or when fast shutter speed settings cannot be used.
    • For shooting moving subjects, it is suited for panning shots of vehicles and trains.
    • For shooting irregularly moving subjects, it is suited for sports photography (e.g., soccer, basketball) and photography of animals.

    For more information, see page 12 of the manual.
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  • What is the aperture range of the Canon RF 100-500mm lens?

    The aperture range of the Canon RF 100-500mm lens is:

    • Maximum Aperture: f/4.5 - 7.1 (1/3 stops), f/4.5 - 6.7 (1/2 stops)
    • Minimum Aperture: f/32 - 51 (1/3 stops), f/32 - 54 (1/2 stops)

    For more information, see page 20 of the manual.
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  • How do I check and update the firmware for the Canon RF 100-500mm lens?

    To check and update the firmware, please check the Canon website for details on whether the firmware is the latest version or not, and for details on updating the firmware.

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  • How do I clean the electrical contacts on my Canon RF 100-500mm lens?

    If the contacts on the lens get soiled, clean them with a soft cloth.

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  • Does the Canon RF 100-500mm lens offer any macro photography capabilities?

    Yes, attaching a 500D (77 mm) Close-up Lens enables close-up photography, providing a magnification of 0.2x to 0.98x. For accurate focusing with close-up lenses, MF mode is recommended. Note that Close-up Lens 250D cannot be attached.


    For more information, see page 19 of the manual.
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  • Does the Canon RF 100-500mm lens include a tripod collar or foot?

    Yes, the lens is supplied with a ring-type tripod mount F (WIII).

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  • What does 'USM' stand for in the Canon RF 100-500mm lens name and what does it do?

    “USM” stands for Ultrasonic Motor.

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  • How do I properly set up the Canon RF 100-500mm lens for shooting?

    To properly set up the Canon RF 100-500mm lens for shooting, you should:

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  • What is the purpose of the zoom torque adjustment ring on the Canon RF 100-500mm lens?

    The zoom torque adjustment ring allows you to adjust the operational feeling (weight of movement) of the zoom ring to a preferred level. Turning the adjustment ring toward SMOOTH lightens the feeling, and toward TIGHT strengthens it. It is recommended to turn the adjustment ring fully to the TIGHT setting when not in use to prevent the front of the lens from unintentionally extending.


    For more information, see page 9 of the manual.
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Summary of Contents for Canon RF 100-500mm F4.5-7.1 L IS USM

  • Page 1 Instructions...
  • Page 2 Thank you for purchasing a Canon product. Canon RF100-500mm F4.5-7.1 L IS USM is a Camera Firmware telephoto zoom lens for use with EOS R series cameras. Please use the latest version of firmware with the camera in use. For details on whether the firmware is the latest version or not, and for details on updating “IS”...
  • Page 3 Safety Precautions Precautions to ensure that the camera is used Details pertaining to risks that Caution safely. Read these precautions thoroughly. Make may result in injury or damage to sure all details are observed in order to prevent other objects. risks and injury to the user and other people.
  • Page 4 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.
  • Page 5 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.

  • Page 6: Table Of Contents

    Nomenclature Adjustment ring (8) Focusing distance range selector switch (7) Vertical position indicator (15) Zoom ring (8) Hood mount (13) Focusing ring (7) Horizontal position indicator (15) Control ring (9) Rubber ring (6) Filter mounting thread (18) Contacts (6) Focus mode switch (7) Lens mount (6) Image stabilizer switch (10) Lens mount index (6)

  • Page 7: Contacts

    Turn the lens counterclockwise while pressing the camera’s lens release button. Detach the Rubber rings can be replaced at Canon Service lens once it has stopped turning. Center. (chargeable) Please refer to the camera’s instructions for details.

  • Page 8: Focus Mode Switch

    2. Setting the Focus Mode 3. Setting the Focusing Distance Range Focusing ring Focusing distance range selector switch Focus mode switch To shoot in autofocus (AF) mode, set the focus You can set the focusing distance range with a mode switch to AF. switch.

  • Page 9: Adjustment Ring

    4. Adjusting the Zoom and Zoom Ring Operational Feeling Adjustment ring To zoom, turn the zoom ring. You can adjust the operational feeling (weight Be sure to finish zooming before focusing. of movement) of the zoom ring to a preferred Zooming after focusing can affect the focus.

  • Page 10: Control Ring

    There are cases in which the sound of control ring operations may be recorded when shooting movies. The clicking sensation of the control ring can be removed by the Canon Service Center. (chargeable) ENG-9...

  • Page 11: Image Stabilizer Switch

    6. 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 If you are not going to use image stabilization, set conditions.
  • Page 12 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 locations where the flash cannot be used, such as art museums and theater stages.
  • Page 13 Image Stabilizer The Image Stabilizer cannot compensate for a blurred shot caused by a subject that moved. The Image Stabilizer might not be fully effective in the following conditions: • Large shake or fast vibration • Panning in MODE 1 When using a tripod, the Image Stabilizer might not be fully effective or it might be better to set the image stabilizer switch to OFF, depending on the...

  • Page 14: Hood Mount

    7. Hood The custom lens hood cuts out unwanted light and protects the front of the lens from rain, snow, and dust. Attachment position mark Red dot Button Red dot Red dot Detaching the Hood Attachment position mark Stop position mark Keep your finger pressed down on the button located on the side of the hood, and then turn Attaching the Hood...
  • Page 15 Hood The hood features a filter adjustment window which, when opened, allows the user to adjust the circular polarizing filter while the hood is attached to the lens. Filter Adjustment Window Filter adjustment window Circular polarizing filter Adjust the circular polarizing filter via the Open the filter adjustment window which open filter adjustment window.

  • Page 16: Lock Knob

    8. Tripod Mount You can use the ring-type tripod mount F (WIII) supplied with the lens. A tripod or monopod attaches to the tripod mount. Attaching the Tripod Mount ⑥ ④ Tripod Collar mounting location ③ ⑦ ① Lock knob ②...
  • Page 17 More than one extender cannot be used. The range-finding area for this lens will differ depending on the combination of camera and extender in use. Please check the Canon website for further details. Lens specifications when using extenders are as follows.
  • Page 18 Extenders (Sold separately) If the focusing distance is set at 300mm when the extender is detached, there are cases in which it will not be possible to turn the zoom ring toward the WIDE setting from the 300mm point after it has been removed. In either of these events, turn the zoom ring slightly toward the TELE setting to release the zoom ring so that it can be turned to the WIDE setting.
  • Page 19 It provides a magnification of 0.2x to 0.98x. Only one filter may be attached. If you need a polarizing filter, use the Canon Close-up Lens 250D cannot be attached Circular Polarizing Filter PL-C B. because there is no size that fits the lens.
  • Page 20 Add 24.2 mm/0.95 in. when including the lens cap and dust cap. The size and weight listed are for the lens only. All data listed is measured according to Canon standards. Product specifications and appearance are subject to change without notice.
  • Page 21 CT1-D149-B 0620Ni © CANON INC. 2020...

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