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I'm looking forward to hear your thoughts about the 20-200. I'm normally not that much into super zoom lenses. But this one seems very interesting and would be very versatile.
Well, in an amazing and more-than-annoying coincidence, it looks like my 70-200 f4 has died. It basically fails to power up when connected to the camera. The camera thinks a manual lens is connected, the lens OIS remains dead, and focus doesn't work. So my most expensive lens, made in Japan and certified by Leica is dead. I can't say I've had that much use from it either. More than a bit pissed off!!!