The Olympus M.Zuiko 100-400mm F5-6.3 IS goes to the track

The Olympus M.Zuiko 100-400mm F5-6.3 IS goes to the track
[youtube https://www.youtube.com/watch?v…
Source: dpreview
The Olympus M.Zuiko 100-400mm F5-6.3 IS goes to the track