Coté performance for a hundred euros is incomparable! Listed strength is terrible or it must be delicate in the extreme. The weak point is well on the bayonet used to fix the optics housing. 100% plastic and very late at that. So as this objective is relatively large and quite beyond the housing shock can happen quickly and that's what piece of plastic that breaks. Before the bayonet was aluminum and resistance to shock incomparable. Also when you want to repair the optics that is right to change this piece of plastic, retailers predicts an estimate beyond the minimum 150 euros! At the time where you get drunk you to sort our waste in 15 different bins that waste organized by the industry is simply indecent ...