Tested: The Nikon Z7 II Firmware Takes Baby Steps. Could It Win a Race?

The launch of the Z7 II took significant steps forward for Nikon's full-frame mirrorless autofocus. The second-generation improved the speed of the autofocus system, as well as the ability to focus in limited light. While good, it's not great -- it's a bit outpaced by competing cameras in terms of speed in low light. But, Nikon keeps taking steps forward with firmware updates. The latest update, 1.31, is another step forward, albeit a baby one. It focuses on improving low light autofocus specifi...