Did this happen to u when u were still using this lens? Did it also happen at the point of sale? And he only brought this up after 3 weeks?Originally Posted by arilhasan
If your conscience is clear that the lens is not faulty when you sold it to him, then be firm and say so to him. It may be true that the ribbon broke on its own, but that is the risk of buying 2nd hand, whereby an item has already been used, maybe even up to the point just below of failing.