Canon 100-400 tripod ring question

[Davy Crockett]

Originally Posted by gobbiner

I cant see what this has to do with the thread size, but i would suggest that your problem is user error and not the lens

Thanks

[nightshade]

Something you said? I have lost the thread of this one

[tom w w]

Originally Posted by Davy Crockett

Is this a new lens your waiting for. I have one and the auto focus resuts are not what i expect, a little fuzzy. and it won't lock on to the subject I.E. a bird in flight.

You may find the problem isn't with the lens.