[EMAIL PROTECTED] (Marco Kost) wrote/replied to:
So I wonder if anybody on the list ever heard of such a problem. I guess that the lens didn�t stop down correctly and instead I was shooting wide open while I was thinking to shoot with f11. Is this a general lens problem, or might this be a temporarily problem?
Sorry to hear about your problem but you have described exactly the reason why all my lenses say Canon on the front. I've actually never heard a horror story about a Canon lens. I'm sure they've happened, but these 3rd party stories are way too plentiful.
Well, I'm certainly not a fan of third party lenses, especially Sigma. Actually, some of my (older) Sigma lenses developed serious problems after a relativelya short time of use, which is why I don't buy any third party lenses anymore. Those electronics are just too delicate and complex thatI would rely on a third party manufacturer to get it all completely right without support from Canon. Yes, you can have the internal chips upgraded later. But it's a hassle, something that should not be necessary, something I don't like. Even if it's for free, it still costs my time and might take weeks until the lens is back.
Nevertheless, lately, my EF 20/2.8 USM is starting to cause some trouble. Sometimes, AF simply doesn't work. So I guess, Canon lenses aren't totally free of problems also. Anyway, the reliability of my Canon lenses has been very high for the last decade, so I won't complain too loud. Two problems in ten years isn't all that much, considering the large number of lenses (around 15).
Thomas Bantel
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