zcello

That's quite a controlled environment (close distance, nice lights, and waiting for the birds to land on the spot prepared) for taking birds. I guess these super-teles are OK for those kinds of...

I am quite sure Canon will provide very decent sample photos from these super-teles, even some sharp bird in fly etc. However we will never know under what kind of success rate those nice photos...

I noticed that you have Nikon 70-200 F4 as well. How do you compare Tamron 35-150 & the Nikon at the overlapping range? I do also have the Nikon70-200/4. The Tamron as you said would be a better ...