Canon

EOS-1D Mark III Body support

Support & Service

Start of repairs for AF Mirror Adjustment Issue

To owners of the EOS-1D Mark III:

We regret to inform that some units of the EOS-1D Mark III digital SLR camera (launched in May 2007) have been found to have an issue with the Auto Focus Mirror. This issue is limited to a specific range of units, and results in unstable focusing and AF tracking performance when using AI servo continuous shooting, particularly in high temperatures.

Please check the serial number as indicated below to confirm whether this issue is relevant to your camera.

We are making preparations to offer repairs free of charge and will start accepting repairs from the 10th of December 2007 onwards.

We offer our most sincere apologies to all who have been inconvenienced by this issue.


How to identify affected products:

If the serial number on the bottom of the camera is between 501001 and 546561, with the exception of serial numbers found here it could be affected by the "AF mirror adjustment issue"



  • Announcing Firmware Version 1.2.3

    1. Direct selection of AF points by the Multi-controller is added to C.Fn III-9

    2. Alternate access to Exposure compensation is added to C.Fn IV-3

    3. With the camera's External Speedlite control menu, Flash function setting can be used to set the Wireless setting and Zoom

    4. Improves the stability of Af accuracy in Ai servo AF when shooting extremely low-contrast subjects

    We recommend updating your camera's firmware to the latest version. Click on the link below for the latest version:
    http://web.canon.jp/imaging/eosd-e.html

    We have been investigating and working on improvement of the AF system performance to ensure the satisfaction of all of our customers.
    As a result, we have made new firmware version 1.2.3 available with improved AF performance in AI servo AF for shooting extremely low contrast objects, so please use this new firmware.
    We will continue to investigate, and look for opportunities to improve, the performance of the AF system to ensure the satisfaction of all of our customers.

  • Contact Information

    • Contact Information for Inquiries:

    For CPS members, please contact Canon Professional Services on the number below:
    Canon Australia
    Canon Professional Services
    1800 804 240

    For other enquiries, please contact the numbers below:
    Canon Australia
    Customer Care
    13 13 83 (local call)

    Canon NewZealand
    Customer Care
    09 489 0470

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