I shot indoor sports for years. I started with 70-200 f4 and was pleased but the f2.8 made a whole new world for indoor sports. The extra stop let me set some faster shutter speeds to help stop some action. I never went back to the f4 (but still use the f4 outdoors when I dont need the stop. The image quality is actually better in my opinion on the f4)


I also carry the 135 f2 and its image quality is excellent and the faster lens is great. It has the best image quality of the three lenses but has the disadvantage of relying on a foot zoom.


My opinion


Indoor sports 70-200 2.8 non IS


Outdoors 70-200 f4 (lighter)


the 135mm f2.0 complements either situation.