Nikon issues firmware update for D4 professional DSLR
Jan 30, 2013 at 00:43 GMT
Nikon has issued a minor firmware update for its D4 professional DSLR. Versions A 1.04 and B 1.02 improve performance of the camera's Subject Tracking AF feature in AF-C (continuous-servo autofocus) mode. The update can be downloaded from Nikon's website.