Canon is excited to announce a Canon EOS-1DX firmware update. This firmware update is version 1.1.1 for the EOS-1DX Digital SLR Camera which further extends the capabilities of its powerful autofocus system and adds AF Point illumination during AI Servo AF and cross-type AF for maximum apertures as small as F8.

Canon EOS-1DX Firmware Update
The Canon EOS-1DX firmware update 1.1.1 can be found here.