[tomphot]

Originally Posted by arrivederci

So purely from an equipment perspective, look for a lense that has a lower f-stop (lets in more light) at the zoom levels you need. These get expensive pretty quickly...

2569A004 Canon EF 70-200mm f/2.8L USM AutoFocus Telephoto Zoom Lens with Case & Hood - USA

Well said - At the track, or other sporting events, you'll always see the pros shooting Canon using those white lenses which are the top of the line.

Wise choice on you selection of shooting with Canon's