I received the lens and while everything looks good and seems to function well, there was an opened envelope with faded writing that said "amazon return". It was supposed to be a "sealed" product that was brand new, so obviously that was unfortunate. Customer service responded promptly, assuring me they don't even deal with amazon and everything they sell is brand new, but obviously that envelope made its way into a "sealed box". Fortunately the lens does seem to be okay, but I was hoping for a ...