After watching the youtube video suggested by vreeke (thanks!), I suspect that Peter Gregg doesn't spend alot of time with wildlife and (in my case) automotive subjects as he kind of glossed over the auto focus functions.
Any recommendations if I were shooting automobile races (road racing and drag racing) and airshows?
You guys are the best!!!
John Moore
Location Imaging
John the spreadsheet has seveall hi speed settups in it worth a look and is simply some of the downloads on this thread
regards
Barry Treleaven

