In this DPReview discussion thread, someone claimed Canon Japan sent him an email with regarding to the EOS 5D Mark II black dot issue he reported about 10 days ago. Canon is not denying the existence of the problem and a firmware update is supposedly being prepared to mitigate the problem. The workaround suggested by Canon is to set High ISO NR to strong, which doesn’t sound very inspiring to me. Let’s hope it is indeed a good news when the official statement comes.
Update [December 19, 2008]: Canon official response.
Keywords: Black Dots, Black Pixels, Black Spots, Canon EOS-5D Mark II