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Firmware Update: RF 70-200mm f/4L IS USM Firmware Version 1.1.0

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Affected Products
RF 70-200mm f/4L IS USM

Support
Changes in firmware:

The firmware (version 1.1.0) incorporates the following fixes and enhancements:
  1. Adds an electronic full-time manual focus function (a function that enables constant manual focus adjustment in both One-shot AF and Servo AF), which is enabled when using the EOS R5, EOS R6, and EOS R3 cameras.
  2. Improves an issue in which the background is not blurred when performing slow panning with the IS (Image Stabilization) mode set to Mode 2 or Mode 3.
Firmware Version 1.1.0 is for cameras with firmware up to Version 1.0.0 If the camera's firmware is already Version 1.1.0, it is not necessary to update the firmware.

Contact Information
Should you have any questions about the announcement, please contact the Authorized Service Facility in your area or you may contact the Call Center within your region.