Canon Europe today released an official statement on the AF problems experienced by some users of its EOS-1D Mark III DSLR. It seems the sub-mirror assembly is to blame for focus and tracking inaccuracy in AI servo continuous mode particularly when working in high ambient temperatures. Bodies with serial numbers 501001 through 546561 are said to be affected, and Canon are preparing to offer free repairs from late November.
This statement is available in alternative languages via the link below. Choose your country then perform a search for case ID 72525.
11月1日佳能欧洲公司正式声明,机身系列号501001-546561的机器可能由于环境温度影像,会发生“智能连续对焦”模式错误。公司对此问题,就在11月末开始给予免费维修。