Canon 1D X and 1D C May Have Autofocus Issues… When Shooting Below 0° C
A report on Canon Rumors is pointing out an issue with Canon's flagship full-frame DSLR and its Cinema counterpart: the 1D X and 1D C. Apparently users have been reporting problems with the 1D X's AF when shooting in less than 0° C, and if an anonymous report sent to CR is accurate, Canon knows about the problem.