Canon has released firmware version 2.0.3 for its flagship EOS-1D X full-frame DSLR. The update improves accuracy and versatility to AF and exposure systems, as well as adding significant customization options.  

Some of the new features include:            

  • Initial AF point selection and 61-point auto selection AF synchronization
  • AF point switching according to camera orientation
  • Improved low-light performance
  • Expanded minimum shutter speed in auto ISO