Hi guys,
I'm looking for a telephoto lens to shoot cars at race tracks.
What I have got now is a 70-200 L IS and a 2x converter.
When I had a 10D I was satisfied with this setup. But now the MkII is more demanding in terms of speed and glass quality.
I think I need at least a 400mm lens.
For the moment, I'm considering 2 lenses : the reasonably priced 100-400L IS or the sigma 500mm F/4,5 (canon 500mm F/4L IS is out of budget)
What do you guys think of that ?
(other alternatives are welcome )
Thanks for your help.
MikeG



. Great one of course ! But how often do you use it wide open ? (DOF)



