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Canon EOS-1D C Firmware Update V1.3.5 Released

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Canon USA has released a new firmware update for the EOS-1D C cinema camera. Canon EOS-1D C Firmware Update 1.3.5 now available.

Like the previous ones, this firmware update also can not be downloaded and installed on your own. You have to send your EOS-1D C to an authorized service center.

Firmware version 1.3.5 for EOS-1D C cinema camera incorporates the following improvements and fixes. See below for the details of the firmware.

Canon EOS-1D C Firmware Update V1.3.5 Released



Firmware Version 1.3.5 incorporates the following improvements.
Fixes a phenomenon in which the line-level audio input function of some EOS-1D C cameras does not operate as expected with Firmware Version 1.3.4.

Affected Product

The phenomena described above will occur in cameras running Firmware Version 1.3.4 whose sixth digit from the left of the serial number is “1”, “2”, “3”. Examples of affected serial numbers are: “xxxxx1xxxxxx”, “xxxxx2xxxxxx”, “xxxxx3xxxxxx”.


Canon USA will perform Factory Updates on the EOS-1D C free of charge. Shipping and handling charges may apply. Please contact the Canon Customer Support Center for details.

This information is for residents of the United States and Puerto Rico only. If you do not reside in the USA or Puerto Rico, please contact the Canon Customer Support Center in your region.

If you have not already done so, please register your Canon EOS-1D C Cinema EOS Camera. By registering, we will be able to notify you via email about future announcements.

Contact Information for Inquiries
Canon Customer Support Center
Phone: 1-855-CINE-EOS (toll free), 1-855-246-3367
TDD: 1-866-251-3752
Email: CinemaEOS@cits.canon.com