1:01 - Contrast and subject detection
6:01 - Struggling with Dark Contrast and Hunting
6:54 - Pulsing and Hunting
8:02 - Increasing AF Sensitivity and Speed
9:10 - Unsuccessful focus & hunting
9:56 - Perfect tracking and focusing
10:45 - Dark Environments & Human Detect
13:09 - Comparison with 20-60mm
14:40 - Final Thoughts and Observations