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Thank you for purchasing a Canon product.
Canon’s EF16-35mm f/2.8L III USM is a
super-wide-angle zoom lens for use with
EOS cameras.
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“USM” stands for Ultrasonic Motor.
Camera Firmware
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When using this lens, please check the Canon website
for the latest camera firmware. If the camera’s firmware
is not the latest version, be sure to update to the latest
firmware.
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For details on updating firmware, please check the
Canon website.
Conventions used in this instruction
Warning to prevent lens or camera malfunction
or damage.
Supplementary notes on using the lens and
taking pictures.