I can only connect in full the other actually. Top quality, top processing, super image quality, autofocus fast enough -and all at a really great price. The only thing you - because you have to but already really looking - could complain a little, is the lid, which looks a bit cheap and rickety in relation to the otherwise great processing. But that's really wailing at the highest level and detracts from the quality of this lens in any way. What I can recommend this, is the 2x extender from Sigma. With this combination of great pictures are managed me already, because they allow one hand, an increase of 2: 1 can be reached and on the other hand a further distance from the sometimes shy but motives. For me, definitely 5 stars!
