What are the best AF settings for bird & wildlife photography with the Canon EOS 7d mark II? The new AF system of the Canon 7d mark II is inherited from the Canon EOS 5d mark III and the Canon EOS 1DX. In other words, it is the best AF system available today! Bird & wildlife photography have specific AF setting needs and I am going to walk you through what I personally use 🙂
First off, I mostly shoot in AI servo mode with the AF point expansion points (8 surrounding points). That allows me to place the focus point where I want while having the surrounding points picking up focus when the central point loses my target.
Canon offers six pre-sets cases for you to choose from, and while they are quite alright on their own, I have my own special recipe:
As you may see above, there are three dimensions one my play with when fine-tuning the Canon 7d mark II AF settings:
1. Tracking sensitivity => how fast the AF system reacts to a new object entering the scene. You want to have this one not being very reactive to new subjects entering the frame. Otherwise, a bird flying in between you and your target might trigger the AF to switch and you would lose focus on your target. So, -1 is my recommendation here.
2. Accel./decel. tracking => The higher setting is best as it will be more sensitive to subjects that stop and start quickly. Perfect example is a bird taking off in your direction, going very fast from stopped to flying speed.
3. AF pt auto switching => speed at which the AF system changes from one point to another when having AF point expansion activated. I put this one to 1 as I want to stay focused for quick lateral moves, but not to the max to avoid loosing focus on the head towards focus to the wing while panning with a flying subject. As nobody that I know of can pan at the exact speed of a fast flying subject, it is good to have the focus somewhat locked on the head. If it does not seem to lock where I want, I simply pump the rear button to re-acquire focus.
For full detail on the Canon EOS 7d mark II AF system, you may visit this Canon link: http://www.learn.usa.canon.com/resources/articles/2014/eos7dmk2_afGuidebook.shtml
Nothing is as good of a demonstration as a few action photographs!
The Spoonbill photograph above is a nice illustration of high performing AF system. Once the AF system is locked on the subject you may maintain excellent tracking throughout the flight.
This photograph was created with an overcast weather during one of my Florida Spoonbill tours. It is a very good illustration of an AF system that can keep focus with quickly accelerating or decelerating subjects. And this is why Accel. / Decel. setting is pushed to the maximum sensitivity at +2 🙂
Another landing Spoonbill created during one of the Florida Spoonbill tours. This one came from the side and the quick, but not too abrupt change of focus point from the AF auto PT switching setting at +1 was useful here.
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