Canon RF 28-70mm f/2L USM User manual

Instructions

ENG

Thank you for purchasing a Canon product.

Canon RF85mm F1.2 L USM DS is a large
aperture medium telephoto lens with DS
coating for use with EOS R series cameras.

z “USM” stands for Ultrasonic Motor.
z “DS” stands for Defocus Smoothing.

Camera Firmware

Please use the latest version of firmware with the
camera in use.
Proper exposure may not be achieved during AE
shooting with older versions of the camera firmware.
For details on whether the firmware is the latest
version or not, and for details on updating the
firmware, please check the Canon website.

Conventions used in these instructions

Warning to prevent lens or camera malfunction

or damage.

Supplementary notes on using the lens and

taking pictures.

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Safety Precautions

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

Do not look directly at the sun or other strong

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light sources through a lens. This may result in
loss of sight.

Do not leave a lens in the sun without the lens

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cap attached. The lens may concentrate entering
sunlight and cause a malfunction or fire.

Caution

Do not leave the product in places exposed to

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extremely high or low temperatures. The product
may cause burns or injury when touched.

Details pertaining to risks that may
result in death or serious injury.

Details pertaining to risks that may
result in injury or damage to other
objects.

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General PrecautionsGeneral Precautions

Handling Precautions

Do not leave the product in excessive heat such as

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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

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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.
Please also read any lens related handling

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precautions listed in your camera’s instruction
manual.

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This device complies with Part
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.

15 of the FCC Rules.

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

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