Why I'm wondering to switch to Canon after my experience with D600 + 24-70mm

Well, like others, I have used Nikon dslrs and a Nikon 1 for the last almost 6 years now, never had a QC issue with bodies or lenses. I know it can happen, it has before with other types of gear, from different makers. Lemons are there for someone to get them. Nikon seem to have decayed somewhat in that dept lately, hope they come back.

Re Canon, there have been issues as well, hope you get a good one.

BTW: which Nikon camera/lens have shown QC problem for you lately?

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Renato. http://www.flickr.com/photos/rhlpedrosa/ OnExposure member http://www.onexposure.net/ Good shooting and good luck (after Ed Murrow)