After shooting the airshow with the 70-200mm and 2x TC, i saw shots of the same airshow with a 100-400L, needless to say, i want a new lens!
here is what im considering
Sigma 80-400mm, non HSM, but Optical Stabilization 999.00 @ bhphoto
Sigma 50-500 HSM, non OS 999.00 @ bhphoto
Canon EF 400mm 5.6L Prime 1099.00 @ bhphoto
Canon 100-400L 1399.00 @ bhphoto
The more expensive, the longer ill need to save, the only lens i an getting rid of out of my gear list is the tamron 70-300, so which should i go for and why?
As for why i want a long lens? I wont really be using it often, maybe airshows, motorsports events, sports events, i know neither of them are really all that fast, aperture wise, but id like a good supertele ranged lens without the use of TC's
They are building two 3.5 mile road courses, one of which will be approved by the FIA within 25 miles of my home, im sure this is where ill be using it most!
I also have plans for a 5D, if that makes a difference on which lens to choose!

