Summary: So what can I say about this lens. It produces the cleanest images I have ever seen. Everything is buttery smooth, there is nothing on the images that should not be there. The micro-contrast is amazing, the transaction between in-focus nad out-of-focus is mindblowing. Corner to corner sharpness is way off the charts. Aperture ring is perfect. The hood is iffy.
This is, by far, the best lens I have used or owned. Period
4 June 2011
Summary: I have bought this lens a month ago, and I have taken around 1000 exposures with it. Just to mention, I have the chrome version of this lens and it weighs more than the black version by around 120 g. It is a pleasure to hold and feel! No lens has such perfection in built quality. The price is high. Of course Leica fans will say you get what you pay for.