Aviation shots with the Sigma 80-400
Derek Bilton shares photos of several aircraft in this series.

He mentions about having some initial difficulties with getting sharp shots from the D200, but patience and selecting the appropriate in-camera focus and sharpening settings has paid off.
- Large version of the images
- Camera settings (AF-C mode, AF Area Mode, AF-C Mode priority, Focus Area Frame, Group Dynamic Area, Focus Tracking Lock-On, comment on the performance of the Sigma 80-400mm F4.5-5.6 EX OS APO lens, and how his shots compares to the Canon 20D + 100-400 L IS