Canon 7d Mark Ii Autofocus Tutorial. Since the goal of this article is to provide recommended settings and not particularly focus on what each camera feature does I am not going to spend a lot of time explaining why I chose a particular setting. For several years I have been using Canon 40D with Canon 100-400mm lens mainly for bird photography with reasonable success.
So if the auto-focus is not working check the lens AFMF switch first and then the CFn IV settings. The 7D Mark II is clearly a better choice for use with teleconverters since it can now autofocus at up to f8. Next the maximum native ISO is increased to 16000 from 6400.
In other words how long the camera allows for focus to take place before the shutter is released.
The camera also has a full set of controls which help users make the most of all the autofocus functionality and this is one of the differentiators between the 7Dmk2 and other Canon cameras lower down in. There is a slight bump in resolution from 18 MP to 202 MP. It also allows the user to choose between seven different groupings or combinations of its 65 point autofocus system. The two notable differences with the mark II are.
