[davidmanze]

  It is somewhat strange that this first "go to" focal length zoom length is the one that has rarely achieved sharp results at the long end, center results however are very decent. 

  The Canon L series probably does the best, I have the Nikon offering, it's worse than the Sony. 

 

  Where Sony suffers from third party offerings is with the short registration distance, preventing a simple E mount conversion without an adapter.

  With Sony in the ascent, it can't be long before Tamron and Sigma start producing E mount glass, which would be a game changer for Sony's lens picture!