Canon RF 10-20mm F4 L IS STM Bedienungsanleitung

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Instructions

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Thank you for purchasing a Canon product.

Canon RF10-20mm F4 L IS STM is a ultra-wide

zoom lens for use with EOS R series cameras.

z“IS” stands for Image Stabilizer.

z“STM” stands for Stepping Motor.

Conventions used in these instructions

Warning to prevent lens or camera malfunction

or damage.

Supplementary notes on using the lens and

taking pictures.

Camera Firmware and Camera

Applications

Please use the latest versions of firmware and

applications with the camera in use. For details on

whether the firmware and applications in use are the

latest version or not, and for details on updating them,

please check the Canon website.

If the camera’s* firmware is not a compatible

version, the following limitations will apply.

zMagnified view functionality is not available.

zIn some cases, the camera malfunction may

occur.

* Applies to the following camera models:

EOS R and EOS RP

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Precautions to ensure that the camera is used

safely. Read these precautions thoroughly. Make

sure all details are observed in order to prevent

risks and injury to the user and other people.

Warning

Details pertaining to risks that may

result in death or serious injury.

zDo not look directly at the sun or other strong

light sources through a lens. This may result in

loss of sight.

zDo not leave a lens in the sun without the lens

cap attached. The lens may concentrate entering

sunlight and cause a malfunction or fire.

Caution

Details pertaining to risks that may

result in injury or damage to other

objects.

zDo not leave the product in places exposed to

extremely high or low temperatures. The product

may cause burns or injury when touched.

Safety Precautions

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Handling Precautions

zDo not leave the product in excessive heat such as

in a car in direct sunlight. High temperatures can

cause the product to malfunction.

zIf the lens is taken from a cold environment into a

warm one, condensation may develop on the lens

surface and internal parts. To prevent condensation

in this case, first put the lens into an airtight

plastic bag before taking it from a cold to warm

environment. Then take out the lens after it has

warmed gradually. Do the same when taking the

lens from a warm environment into a cold one.

zIn order to optimize aperture control, there are

occasions in which the aperture blades will move

during zooming and focusing, even when the

aperture value is set for aperture-priority AE or

manual exposure, etc.

zPlease also read any lens related handling

precautions listed in your camera’s instruction

manual

Shooting Precautions

his lens has a short focus distance, which means dirt

or dust on the surface of the front lens will show up

easily on photos. Use a commercially-available blower

to remove dirt or dust from the front lens surface.

General Precautions

his lens has a wide shooting angle, meaning

sunlight or other strong light sources can enter

the image easily. This can lead to flares or ghosts

under some shooting conditions. To prevent this, we

recommend being aware of where the light source is,

such as photographing from shadows or other places

where a strong light source will not enter the lens.

Video Shooting Precautions

zThe lens is compatible with focus breathing

correction* when shooting video.

This refers to a function to correct for and reduce

changes in view angle that occur when focus changes.

lease refer to the Canon website or the camera’s User

Manual to check if your camera allows focus breathing

correction, how to set it, and points to note about it.

zThis lens covers an ultra-wide angle, so in some

circumstances there may be image distortions or

slight movement around the sides of the frame

when focusing using focus breathing correction.

In that event, it might be reduced by the following:

• Change the focal length of the lens you are

using to telephoto.

• Reduce the focus speed. (Slow the AF speed for

Movie Servo AF.)

• Increase the f-stop. (It does not reduce the slight

movements around the edge of the frame.)

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This device complies with Part 15 of the FCC Rules.

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. If such

changes or modifications should be made, you could be

required to stop operation of the equipment.

This equipment has been tested and found to comply with

the limits for a class B digital device, pursuant to part 15

of the FCC Rules. These limits are designed to provide

reasonable protection against harmful interference in a

residential installation. This equipment generates, uses and

can radiate radio frequency energy and, if not installed and

used in accordance with the instructions, may cause harmful

interference to radio communications.

However, there is no guarantee that interference will not

occur in a particular installation. If this equipment does

cause harmful interference to radio or television reception,

which can be determined by turning the equipment off and

on, the user is encouraged to try to correct the interference

by one or more of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and

receiver.

• Connect the equipment into an outlet on a circuit different

from that to which the receiver is connected.

• Consult the dealer or an experienced radio/TV technician

for help.

CAN ICES-3 (B) / NMB-3 (B)

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Focusing ring (→ 7)

Control ring (→ 8)

Image stabilizer switch (→ 10)

Lens function button (→ 9)

Zoom ring (→ 8)

Focus mode switch (→ 7)

Rubber ring (→ 6)

Contacts (→ 6)

Lens mount (→ 6)

Zoom position index (→ 8)

Lens mount index (→ 6)

Built-in lens hood (→ 12)

Gelatin filter holder (→ 13)

z For detailed information, reference page numbers are provided in parentheses (→ **).

Nomenclature

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Lens mount index

Lens release button Dust cap

Attaching the Lens

Align the lens mount indexes of the lens and

camera, and turn the lens clockwise until you

hear a click.

Detaching the Lens

Turn the lens counterclockwise while pressing

the camera’s lens release button. Detach the

lens once it has stopped turning.

Please refer to the camera’s instructions for

details.

zSet the camera’s power switch to OFF when

attaching or detaching the lens.

zAttach the lens cap before detaching the lens

from the camera.

zAfter detaching the lens, place the lens with the

rear end up and attach the dust cap to prevent

the lens surface and contacts from getting

scratched. Make sure the lens and dust cap

mount indexes are aligned when attaching the

dust cap.

zContacts that are scratched, soiled, or have

fingerprints on them may result in faulty

connections or corrosion, which may lead to

malfunctions. If the contacts get soiled, clean

them with a soft cloth.

zThe lens mount has a rubber ring to improve

dust-resistance and water-resistance

performance. This rubber ring may cause

friction marks to appear around the camera’s

lens mount, although this will have no effect on

usage.

zRubber rings can be replaced at Canon Service

Center. (chargeable)

1. Attaching and Detaching the Lens

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Focus mode switch

Focusing 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.

2. Setting the Focus Mode

zQuickly turning the focusing ring may result in

delayed focus.

zThe lens’ focusing ring is electronic.

zIt is possible to set cameras that support

electronic fulltime manual focusing to manual

focusing when the camera is in the operational

mode. However, the camera settings need to be

changed.

zWhen AF operation is set to One-Shot AF,

manual focus is possible after autofocusing

has been completed by continuing to press the

shutter button halfway (electronic manual focus

function). However, the camera settings need to

be changed.

zWhen movie recording, the AF speed will be

slower than the still photo shooting mode. It is

possible to adjust the AF speed on the camera

by setting Movie Servo AF to [Enable].

Please refer to the camera’s instructions for

details.

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3. Zooming

To zoom, turn the lens’ zoom ring.

zBe sure to finish zooming before focusing.

Zooming after focusing can affect the focus.

zBlurring may temporarily occur if the zoom ring is

quickly turned.

The control ring can be assigned the functions

that are commonly used with cameras, such as

shutter speed and aperture settings.

Control ring

The click action of the control ring allows you to

have a sense of how much it is being turned.

Please refer to the camera’s instructions for

details on how to use the control ring.

zThere are cases in which the sound of control

ring operations may be recorded when shooting

movies.

zThe clicking sensation of the control ring can

be removed by the Canon Service Center.

(chargeable)

4. Control Ring

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5. Lens Function Button (AF Stop Button)

In the default settings, the lens function button

serves as a AF stop button. You can assign

different functions to the button from the

[Customize buttons] section of the camera.

Please refer to the camera’s instructions for

details.

Lens function button

(AF stop button)

Use as a AF stop button

During autofocus operation, you can press an AF

stop button to temporarily pause autofocus, and

then release the button to resume.

Press an AF stop button to maintain a focusing

distance or to avoid focus search.

Press the shutter button while holding down an

AF stop button to shoot at that focusing distance.

zUseful when autofocus is operating mostly in

Servo AF.

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