I purchased a Tamron lens two years ago paid well over $600.00 The zoom lens adjuster jammed so I returned it to Dodds Cleveland I have to pay for shipping to Tamron even though it was under warranty after some wait I the lens was returned to me, I don’t use it a lot and guess what almost the same time this year I am going on vacation and the lens is doing the same thing, Broke again …..So back to Dodds and $21.30 for shipping again….