Canon Updates EOS 5D Mark III Product Advisory

June 24, 2014 | Zoltan Arva-Toth | Digital SLR Cameras | Comment |

Canon has issued an update to its product advisory concerning an LCD illumination issue affecting its EOS 5D Mark III digital SLR camera. The company describes the problem as follows: if the LCD panel illuminates, the displayed exposure value may change. The phenomenon may occur in cameras whose serial number starts with "0" and the sixth digit is either "1" or "2"

Canon Press Release


Please see the changes to the “Identification Procedure” section below regarding criteria for affected serial numbers. The identification method has been enhanced to include the first digit in the identification procedure in order to more precisely identify affected products.

Thank you for using Canon products.

Concerning the EOS 5D Mark III digital SLR camera, when the LCD panel illuminates in extremely dark environments, the displayed exposure value may change. Canon has concluded the investigation of this phenomenon, and this announcement informs you of our findings as described below.


In extremely dark environments, if the LCD panel illuminates, the displayed exposure value may change. However, based on the results of extensive testing this change in exposure value will not noticeably affect the captured image.

Affected Product

The phenomenon described above may occur in Canon EOS 5D Mark III Digital SLR Cameras whose first and sixth digits of the serial number are as set forth below.

Identification Procedure:

Serial Number: [XnnnnNnnnnnn] 
"X"="0" and "N"="1" or "2" 
"n" represents any digit. 
Examples of affected serial numbers are: "0nnnn1nnnnnn" or"0nnnn2nnnnnn"


Under almost all shooting conditions (including dark environments) this phenomenon will not affect your captured images. However, if you would like Canon to inspect your camera, we will provide this service free of charge. Please contact Canon using the information below to request service.

Contact Information for Inquiries

Canon Customer Support Center
Phone: 1-800-OK-CANON
TDD: 1-866-251-3752
For additional support options:

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