Yes ... I have to admit ... when one considers times in mind that you spend 12-15 euros for a 10ct form plastic-part, I have to beat against my forehead really hard. But I wanted to time my Canon lens aperture have a Canon ... Other pay also prefer 50 euros for their Abercrombie & Fitch shirt from the same Indian sewing in the Kik also can manufacture ... with common sense can not explain why the buys. I see it as a benevolent donation to Canon ... and try to make the bill at the next tax return as a donation receipt asserted.