In Parts 1 and 2 of this series, I provided an introduction to this autofocus evaluation, as well as a brief overview of the Canon 1D Mark IV and Nikon D3S AF systems.  In Part 3 of this series, I looked more in-depth at images captured during basketball games with the 1D Mark IV and D3S. If you have not read the previous installments in this series, you can do so now by clicking the links below:

1. Canon 1D Mark IV vs. Nikon D3S – Autofocus Performance [Part 1]
2. Canon 1D Mark IV vs. Nikon D3S – Autofocus Performance [Part 2]
3. Canon 1D Mark IV vs. Nikon D3S – Autofocus Performance [Part 3]

In Part 4 below, we will look more in-depth at images captured during a track and field event with the 1D Mark IV and D3S. [Read more…]