Guys, beaware. He posts quite a lot of for sales ads here. Hint... He uses his brain to see. What goes around comes around. He will get his retribution soon.
Why don't you name him? As long as people only have the mood to complain but not the guts to tell the name the seller will still make his money. But, of course it puts you also in a strange light that you are unable to check the lens properly. Lesson learned for a big tuition fee.